Welding interview questions and answers

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Welding interview questions and answers

What is welding?

Welding is a process of joining two or more metal pieces by melting and fusing them together using heat and/or pressure.

What are the different types of welding?

There are several types of welding, including MIG welding, TIG welding, stick welding, flux-cored welding, and submerged arc welding.

What safety precautions do you take when welding?

Some common safety precautions when welding include wearing protective gear, such as a welding helmet, gloves, and jacket, ensuring proper ventilation, and keeping a fire extinguisher nearby.

What is the difference between MIG and TIG welding?

MIG welding uses a continuous wire feed to create the arc, while TIG welding uses a tungsten electrode to create the arc. MIG welding is generally faster and easier, while TIG welding provides better control and produces higher quality welds.

What is a welder’s qualification test?

A welder’s qualification test is a test that is performed to determine a welder’s ability to produce high-quality welds in a specific welding process and position. The test typically involves welding a sample piece and having it inspected for quality.

What is a welding procedure specification (WPS)?

A welding procedure specification is a document that outlines the steps and techniques required to produce a specific type of weld. It includes details such as the welding process, filler metal, preheat temperature, and post-weld heat treatment.

What is the difference between welding and brazing?

Welding involves melting the base metal to create a permanent bond, while brazing uses a filler metal that is melted and flows into the joint, but does not melt the base metal. Brazing is often used for joining dissimilar metals or when the base metal is sensitive to high temperatures.

What is the difference between a welding machine and a welding generator?

A welding machine is a device that converts electrical energy into heat to produce a welding arc. A welding generator, on the other hand, is a portable generator that produces both electrical power and welding power, making it useful for welding in remote locations.

What is the difference between a fillet weld and a groove weld?

A fillet weld is a triangular weld that is used to join two metal pieces at a right angle, while a groove weld is a weld that is made in a groove between two metal pieces that are to be joined. Groove welds are typically stronger than fillet welds.

How do you ensure the quality of a weld?

To ensure the quality of a weld, it is important to use proper techniques and follow the welding procedure specification. The weld should also be inspected for defects, such as cracks or porosity, using non-destructive testing techniques, such as X-ray or ultrasonic testing.

What is the difference between a welder and a welding operator?

A welder is a person who performs welding operations, while a welding operator is responsible for planning, supervising, and coordinating welding activities.

What is a weld joint?

A weld joint is the area where two or more metal pieces are joined together by welding.

What is a welding position?

A welding position refers to the orientation of the weld joint relative to the welder, such as flat, horizontal, vertical, or overhead.

What is a welding rod?

A welding rod, also known as a filler metal, is a metal rod used in welding to provide additional material to create the weld joint.

What is a welding flux?

A welding flux is a material that is used to protect the weld joint from contamination and oxidation during the welding process.

What is the difference between welding and soldering?

Soldering is a process of joining two metal pieces by melting a filler metal that has a lower melting point than the base metal. Welding, on the other hand, involves melting the base metal to create a permanent bond.

What is the difference between welding and cutting?

Welding involves joining two metal pieces together, while cutting involves removing material from a metal piece.

What is a weld overlay?

A weld overlay is a process of applying a layer of weld metal to a metal surface to provide additional protection against wear, corrosion, or other damage.

What is a weld defect?

A weld defect is any deviation from the desired weld quality, such as cracks, porosity, incomplete fusion, or incorrect dimensions.

What is the purpose of preheating before welding?

Preheating is done to reduce the risk of cracking by reducing thermal shock and minimizing residual stresses in the metal pieces being welded.

What is post-weld heat treatment?

Post-weld heat treatment is a process of heating and cooling a welded joint to relieve residual stresses and improve the mechanical properties of the weld.

What is the difference between AC and DC welding?

AC welding uses alternating current, while DC welding uses direct current. AC welding is typically used for welding aluminum and other non-ferrous metals, while DC welding is used for welding steel and other ferrous metals.

What is a welding positioner?

A welding positioner is a device that rotates or tilts the metal piece being welded, allowing the welder to access difficult-to-reach areas and improve the quality of the weld.

What is the difference between a weld bead and a weld pass?

A weld bead is a single weld deposit, while a weld pass is a single movement of the welding electrode or gun.

What is a root pass?

A root pass is the first weld pass in a multi-pass weld joint, and is typically the most critical in terms of quality and strength.

What is a backing strip?

A backing strip is a material, often a metal plate, used to support the weld joint and prevent weld spatter from sticking to the backside of the joint.

What is a gouging electrode?

A gouging electrode is a carbon electrode used in a process known as gouging to remove material from a metal piece, typically in preparation for welding.

What is a welding certification?

A welding certification is a document that verifies a welder’s qualifications to perform welding operations according to specific standards and procedures.

What is a welding inspector?

A welding inspector is a trained professional who is responsible for ensuring that welding operations are performed in accordance with the applicable codes and standards.

What is a weld procedure?

A weld procedure is a documented procedure that outlines the steps and techniques required to produce a specific type of weld.

What is a welding symbol?

A welding symbol is a standardized graphical representation of the weld joint and welding operations required to create the joint.

What is a weld pool?

A weld pool is the molten metal in the joint created by welding.

What is the difference between MIG and TIG welding?

MIG welding uses a consumable electrode wire and a shielding gas, while TIG welding uses a non-consumable tungsten electrode and a separate filler metal.

What is a welding helmet?

A welding helmet is a protective device worn by welders to protect their eyes and face from the intense light and heat produced by welding.

What is a welding curtain?

A welding curtain is a protective barrier made of fire-resistant materials that is used to shield bystanders from the intense light and heat produced by welding.

What is a welding glove?

A welding glove is a protective glove made of heat-resistant materials that is worn by welders to protect their hands from the intense heat produced by welding.

What is a welding blanket?

A welding blanket is a protective cloth made of fire-resistant materials that is used to protect nearby surfaces from the sparks and heat produced by welding.

What is a welding fume extractor?

A welding fume extractor is a device that is used to remove welding fumes and other airborne contaminants from the work environment.

What is a welder’s jacket?

A welder’s jacket is a protective garment made of fire-resistant materials that is worn by welders to protect their upper body from the sparks and heat produced by welding.

What is a welder’s cap?

A welder’s cap is a protective hat made of fire-resistant materials that is worn by welders to protect their head and hair from the sparks and heat produced by welding.

What is a welder’s apron?

A welder’s apron is a protective garment made of fire-resistant materials that is worn by welders to protect their lower body from the sparks and heat produced by welding.

What is a welding table?

A welding table is a sturdy work surface used for welding operations, typically made of heavy-duty steel or cast iron.

What is a welding clamp?

A welding clamp is a device used to hold metal pieces in place during welding operations, typically made of steel or aluminum.

What is a welding electrode holder?

A welding electrode holder is a device used to hold the welding electrode and provide electrical current to create the weld.

What is a welding wire feeder?

A welding wire feeder is a device used to supply the welding electrode wire to the welding gun or torch during MIG welding.

What is a plasma cutter?

A plasma cutter is a cutting tool that uses a high-temperature plasma arc to cut through metal.

What is a cutting torch?

A cutting torch is a tool that uses a flame and oxygen to cut through metal.

What is a welding gun?

A welding gun is a device used in MIG welding to feed the welding electrode wire and provide electrical current to create the weld.

What is a welding power source?

A welding power source is a device that provides electrical current and voltage for welding operations, typically powered by electricity or gas.

What is a welding gas?

A welding gas is a gas used to shield the weld joint from contamination and oxidation during the welding process.

What is a welding regulator?

A welding regulator is a device used to control the flow of welding gas from the cylinder to the welding torch or gun.

What is a welding electrode size?

A welding electrode size refers to the diameter of the welding electrode wire used in MIG welding, typically ranging from 0.023 to 0.045 inches.

What is a stick welding?

Stick welding, also known as shielded metal arc welding (SMAW), is a welding process that uses a consumable electrode coated in a flux to create the weld joint.

What is the difference between stick welding and MIG welding?

Stick welding uses a coated electrode and does not require a shielding gas, while MIG welding uses a consumable electrode wire and a shielding gas.

What is the difference between stick welding and TIG welding?

Stick welding uses a coated electrode and produces a slag layer that must be removed after welding, while TIG welding uses a non-consumable tungsten electrode and does not produce slag.

What is a welder’s lens shade?

A welder’s lens shade is a numerical value that indicates the level of darkness in the welding helmet lens, ranging from 1 to 14.

What is a welder’s lens material?

A welder’s lens material is typically made of polycarbonate or glass and is designed to filter out harmful ultraviolet (UV) and infrared (IR) radiation.

What is a welder’s respirator?

A welder’s respirator is a device that is worn by welders to protect them from welding fumes and other airborne contaminants.

What is a welding procedure specification (WPS)?

A welding procedure specification (WPS) is a document that outlines the welding procedures and techniques to be used for a specific welding operation.

What is a preheat temperature?

A preheat temperature is the temperature that the base metal must be heated to before welding to reduce the risk of cracking and improve weld quality.

What is a post-weld heat treatment (PWHT)?

A post-weld heat treatment (PWHT) is a heat treatment process used to improve the mechanical properties of a weld joint by heating the metal to a specific temperature and holding it for a specified period of time.

What is a butt joint?

A butt joint is a type of weld joint where the edges of the two metal pieces are aligned and welded together.

What is a fillet joint?

A fillet joint is a type of weld joint where two metal pieces are joined together at a right angle and welded along the corner.

What is a lap joint?

A lap joint is a type of weld joint where the edges of two metal pieces overlap and are welded together.

What is a tee joint?

A tee joint is a type of weld joint where two metal pieces are joined together at a 90-degree angle and welded along the intersection.

What is a corner joint?

A corner joint is a type of weld joint where two metal pieces are joined together at a 90-degree angle and welded along the corner.

What is a groove joint?

A groove joint is a type of weld joint where a groove is cut into the metal pieces to be joined, creating a space for the weld metal to be deposited.

What is a plug weld?

A plug weld is a type of weld joint where a hole is drilled into one metal piece and filled with weld metal from the other side.

What is a tack weld?

A tack weld is a small weld used to temporarily hold metal pieces in place before the final weld is completed.

What is a weld bead?

A weld bead is the line of molten metal deposited by the welding process.

What is a weld pass?

A weld pass is a single welding operation that deposits a layer of weld metal on the joint.

What is a filler metal?

A filler metal is a metal that is added to the weld joint to help fill any gaps and create a strong weld.

What is a weld symbol?

A weld symbol is a graphical representation of the weld joint and the welding process used to create the joint.

What is a welding position?

A welding position refers to the orientation of the weld joint in relation to the welder.

What is a flat welding position?

A flat welding position is when the weld joint is horizontal and the welder is positioned above the joint.

What is a horizontal welding position?

A horizontal welding position is when the weld joint is positioned horizontally and the welder is positioned to the side of the joint.

What is a vertical welding position?

A vertical welding position is when the weld joint is positioned vertically and the welder is positioned above the joint.

What is an overhead welding position?

An overhead welding position is when the weld joint is positioned overhead and the welder is positioned below the joint.

What is a welding positioner?

A welding positioner is a device used to rotate and position the workpiece for easier access to the weld joint.

What is a welding manipulator?

A welding manipulator is a device used to move the welding torch or gun along the length of the weld joint.

What is a welding robot?

A welding robot is a machine that is programmed to automatically perform welding operations on a workpiece.

What is a welding inspector?

A welding inspector is a professional who is trained to inspect welds and ensure that they meet the required standards and specifications.

What is a welder certification?

A welder certification is a process by which a welder’s skills and abilities are evaluated and certified by a third-party organization.

What is a welder qualification test?

A welder qualification test is a test used to evaluate a welder’s ability to create welds that meet the required standards and specifications.

What is a welding procedure qualification test?

A welding procedure qualification test is a test used to evaluate a welding procedure and ensure that it meets the required standards and specifications.

What is a weld defect?

A weld defect is any imperfection in the weld joint that could affect the integrity of the weld.

What is a weld discontinuity?

A weld discontinuity is any interruption in the continuity of the weld joint.

What is a porosity?

Porosity is a weld defect caused by the presence of gas pockets in the weld metal.

What is a lack of fusion?

A lack of fusion is a weld defect caused by incomplete melting and bonding of the weld metal to the base metal.

What is a weld spatter?

Weld spatter is the small metal droplets that are ejected from the weld pool during the welding process.

What is a weld distortion?

Weld distortion is the deformation of the workpiece caused by the heat of the welding process.

What is a weld cleaning?

Weld cleaning is the process of removing any residue, slag, or spatter from the weld joint after welding is complete.

What is a weld joint preparation?

A weld joint preparation is the process of preparing the edges of the workpiece for welding by removing any dirt, rust, or other contaminants.

What is a weld pass?

A weld pass is a single run of the welding electrode or wire across the workpiece.

What is a root pass?

A root pass is the first pass of a multi-pass weld that is applied to the joint root.

What is a cap pass?

A cap pass is the final pass of a multi-pass weld that is applied to the surface of the weld joint.

What is a weave bead?

A weave bead is a type of weld bead that is formed by moving the welding torch or gun in a zigzag motion across the workpiece.

What is a fillet weld?

A fillet weld is a type of weld joint where two workpieces are joined at an angle.

What is a butt weld?

A butt weld is a type of weld joint where two workpieces are joined end-to-end.

What is a T-joint?

A T-joint is a type of weld joint where two workpieces are joined at a right angle, forming the shape of the letter “T.”

What is a plug weld?

A plug weld is a type of weld joint where a hole is drilled in one workpiece and filled with welding material.

What is a stud weld?

A stud weld is a type of weld joint where a threaded stud is welded to a workpiece.

What is a braze weld?

A braze weld is a type of welding process where a filler material is heated and melted to join two workpieces together.

What is a solder weld?

A solder weld is a type of welding process where a low-temperature metal alloy is melted and used to join two workpieces together.

What is a gas tungsten arc welding (GTAW) process?

A gas tungsten arc welding (GTAW) process is a type of welding process that uses a tungsten electrode and an inert gas to create an electric arc and melt the welding material.

What is a gas metal arc welding (GMAW) process?

A gas metal arc welding (GMAW) process is a type of welding process that uses a wire electrode and a shielding gas to create an electric arc and melt the welding material.

What is a flux-cored arc welding (FCAW) process?

A flux-cored arc welding (FCAW) process is a type of welding process that uses a tubular wire electrode and a flux material to create an electric arc and melt the welding material.

What is a shielded metal arc welding (SMAW) process?

A shielded metal arc welding (SMAW) process is a type of welding process that uses a consumable electrode coated in a flux material to create an electric arc and melt the welding material.

What is a submerged arc welding (SAW) process?

A submerged arc welding (SAW) process is a type of welding process that uses a continuous wire electrode and a granular flux material to create an electric arc and melt the welding material.

What is a resistance welding process?

A resistance welding process is a type of welding process that uses electrical resistance to create heat and melt the welding material.

What is ultrasonic welding?

Ultrasonic welding is a welding process that uses high-frequency vibrations to join two workpieces together.

What is laser welding?

Laser welding is a welding process that uses a focused laser beam to melt and join two workpieces together.

What is electron beam welding?

Electron beam welding is a welding process that uses a high-energy beam of electrons to melt and join two workpieces together.

What is plasma arc welding?

Plasma arc welding is a welding process that uses a plasma arc to melt and join two workpieces together.

What is friction stir welding?

Friction stir welding is a welding process that uses a non-consumable tool to join two workpieces together by stirring the material at the joint.

What is a welding procedure specification (WPS)?

A welding procedure specification (WPS) is a document that outlines the specific welding procedure that should be followed to ensure a quality weld.

What is a welding inspector?

A welding inspector is responsible for ensuring that welding work is done in accordance with established standards and procedures.

What is a welder’s qualification test?

A welder’s qualification test is a test that is used to assess a welder’s skills and abilities to perform a specific welding job.

What is a welder’s certification?

A welder’s certification is a document that indicates that a welder has been tested and found to meet the requirements for a specific type of welding job.

What is a welder’s helmet?

A welder’s helmet is a protective helmet that is worn by a welder to protect their face and eyes from the intense light and heat generated during the welding process.

What is a welding glove?

A welding glove is a heavy-duty glove that is worn by a welder to protect their hands from the heat and sparks generated during the welding process.

What is a welding curtain?

A welding curtain is a heavy-duty curtain that is used to protect the surrounding area from the sparks and heat generated during the welding process.

What is a welding table?

A welding table is a sturdy table that is designed to provide a stable surface for welding work to be performed on.

What is a welding clamp?

A welding clamp is a tool that is used to hold workpieces in place during the welding process.

What is a welding wire?

A welding wire is a metal wire that is used as the electrode in the GMAW and FCAW welding processes.

What is a welding torch?

A welding torch is a tool that is used to direct the electric arc or flame during the welding process.

What is a welding machine?

A welding machine is a device that is used to generate the electric current that is needed for the welding process.

What is a welding power source?

A welding power source is the device that provides the electric current that is used to melt the welding material during the welding process.

What is a welding transformer?

A welding transformer is a device that is used to step up or step down the voltage of the welding power source.

What is a welding regulator?

A welding regulator is a device that is used to control the flow of gas that is used in the welding process.

What is a welding nozzle?

A welding nozzle is a part of the welding torch that directs the flow of gas and protects the electrode from contamination.

What is a welding gas?

A welding gas is a gas that is used to shield the welding area from atmospheric contamination during the welding process.

What is a welding hood?

A welding hood is a protective helmet that is worn by a welder to shield their face and eyes from the intense light and heat generated during the welding process.

What is a welding filter?

A welding filter is a type of lens that is used in a welding hood to protect the welder’s eyes from the intense light and heat generated during the welding process.

What is a welding fume extractor?

A welding fume extractor is a device that is used to remove welding fumes and particles from the air to protect the welder’s respiratory system.

What is a weld preparation?

A weld preparation is the process of preparing the edges of the workpieces that are going to be welded together.

What is a root pass?

A root pass is the first pass of the welding process that penetrates the base metal and forms the root of the weld.

What is a welding joint?

A welding joint is the area where two workpieces are joined together by welding.

What is a spot weld?

A spot weld is a type of weld that is made by applying a high current to the workpieces at a specific point to melt and fuse them together.

What is a weld bead?

A weld bead is the raised area of weld metal that is left after a weld has been made.

What is a weld pool?

A weld pool is the molten metal that is formed at the joint during the welding process.

What is an overhead position in welding?

An overhead position in welding is when the workpiece is above the welder and the welding is done from below.

What is a vertical position in welding?

A vertical position in welding is when the workpiece is positioned vertically and the welding is done from either the top or bottom.

What is a backing strip?

A backing strip is a strip of material that is placed behind a joint to provide support during the welding process.

What is a welding operator?

A welding operator is a person who operates a welding machine or performs welding operations.

What is a welder qualification test?

A welder qualification test is a test that is used to determine if a welder has the necessary skills and knowledge to perform a specific type of welding.

What is a post-weld heat treatment?

A post-weld heat treatment is a process of heating the welded joint to a specific temperature and holding it for a specified period to relieve residual stresses and improve the strength and toughness of the weld.

What is a filler metal classification?

A filler metal classification is a system used to identify and classify different types of filler metals based on their composition, performance, and intended use.

What is a shielding gas?

A shielding gas is a gas that is used to protect the weld from atmospheric contamination during the welding process.

What is a flux?

A flux is a substance that is used to protect the weld from atmospheric contamination and to facilitate the flow of the molten metal during the welding process.

What is a weld quality?

Weld quality refers to the properties of a weld that determine its performance and ability to withstand the stresses and loads that it will be subjected to.

What is a weld strength?

Weld strength refers to the ability of a weld to resist failure under load or stress.

What is a weld penetration?

Weld penetration refers to the depth to which the weld metal has penetrated into the base metal.

What is a weld reinforcement?

Weld reinforcement refers to the amount of weld metal that extends beyond the surface of the base metal.

What is a weld profile?

A weld profile refers to the shape and appearance of the weld, including the width, height, and contour of the weld bead.

What is a weld undercut?

Weld undercut is a groove or depression that is formed in the base metal along the edge of the weld due to excessive heat or inadequate filler metal.

What is a weld spatter?

Weld spatter is the droplets of molten metal that are expelled from the welding arc during the welding process.

What is a weld distortion?

Weld distortion is the deformation or bending of the workpiece as a result of the heat generated during the welding process.

What is a welder’s shield?

A welder’s shield is a device that is worn by the welder to protect their face and eyes from the bright light and heat generated during the welding process.

What is the difference between AC and DC welding?

AC welding is used for welding materials that have a high electrical resistance, such as aluminum, while DC welding is used for welding materials that have a lower electrical resistance, such as steel.

What is the difference between TIG and MIG welding?

TIG welding uses a non-consumable tungsten electrode to produce the arc, while MIG welding uses a consumable wire electrode. TIG welding produces a cleaner and more precise weld, while MIG welding is faster and easier to learn.

What is a spool gun?

A spool gun is a hand-held device that is used for MIG welding aluminum.

What is a friction stir welding?

Friction stir welding is a process in which a rotating tool is used to join two pieces of metal by heating them with friction and mechanically stirring them together.

What is a spray transfer welding?

Spray transfer welding is a type of welding process in which a high current is used to melt the filler metal, which is then sprayed onto the joint to form the weld.

What is a pulse welding?

Pulse welding is a type of welding process in which the power supply is pulsed on and off to create a series of small welds, which can improve control and reduce heat input.

What is a hot wire welding?

Hot wire welding is a type of welding process in which a heated wire is used to preheat the base metal before the filler metal is added.

What is a cold welding?

Cold welding is a type of welding process in which two pieces of metal are joined together without the use of heat or filler metal, by applying pressure.

What is a friction welding?

Friction welding is a type of welding process in which two pieces of metal are joined together by applying pressure and heat through friction.

What is a forge welding?

Forge welding is a type of welding process in which two pieces of metal are heated and then hammered together to create a strong bond.

What is a shielded metal arc welding (SMAW)?

Shielded metal arc welding, also known as stick welding, is a welding process that uses a flux-coated electrode to produce an electric arc to heat and melt the base metal. The flux coating creates a shielding gas to protect the weld from oxidation.

What is a submerged arc welding (SAW)?

Submerged arc welding is a welding process that uses a continuous wire electrode and a granular flux to produce an electric arc to heat and melt the base metal. The flux coating creates a shielding gas to protect the weld from oxidation.

What is a plasma arc welding (PAW)?

Plasma arc welding is a welding process that uses a plasma arc to heat and melt the base metal. The plasma is created by passing a gas through an electric arc to ionize the gas and create a high-temperature plasma.

What is a electron beam welding (EBW)?

Electron beam welding is a welding process that uses a beam of high-energy electrons to heat and melt the base metal. The electrons are accelerated through a vacuum and focused onto the weld joint.

What is a laser beam welding (LBW)?

Laser beam welding is a welding process that uses a high-energy laser beam to heat and melt the base metal. The laser beam is focused onto the weld joint to create a narrow, deep weld.

What is a friction stir welding (FSW)?

Friction stir welding is a welding process that uses a rotating tool to stir the base metal and create friction, which heats and softens the metal. The softened metal is then joined together to create the weld joint.

What is a oxy-fuel welding?

Oxy-fuel welding is a welding process that uses a fuel gas and oxygen to create a flame to heat and melt the base metal. A filler metal is typically added manually to create the weld joint.

What are the advantages of using a welding robot?

Welding robots offer increased productivity, improved consistency and quality, and increased safety by reducing the risk of accidents caused by human error.

What is a visual inspection in welding?

A visual inspection in welding involves examining the welded joint to ensure that it meets the requirements of the welding specifications, such as checking for cracks, porosity, and other defects.

What is a radiographic inspection in welding?

A radiographic inspection in welding involves using X-rays or gamma rays to examine the welded joint for internal defects, such as cracks and voids.

What is a magnetic particle inspection in welding?

A magnetic particle inspection in welding involves using a magnetic field to magnetize the welded joint and then applying iron particles to the surface. Any cracks or other defects in the joint will cause the iron particles to accumulate, making the defects visible.

What is a dye penetrant inspection in welding?

A dye penetrant inspection in welding involves applying a liquid penetrant to the surface of the welded joint. The penetrant is drawn into any surface defects, and then a developer is applied to make the defects visible.

What is ultrasonic testing in welding?

Ultrasonic testing in welding involves using high-frequency sound waves to examine the welded joint for defects, such as cracks, voids, and inclusions.

What is the purpose of a weld symbol on a drawing?

A weld symbol on a drawing indicates the type of weld that is required, the location of the weld, and any additional information that is necessary for the weld.

What is the difference between a fillet weld and a groove weld?

A fillet weld is a weld that is used to join two pieces of metal that are perpendicular or at an angle to each other. A groove weld is a weld that is used to join two pieces of metal that are in the same plane.

What is the difference between a butt weld and a lap weld?

A butt weld is a weld that is used to join two pieces of metal that are in the same plane, butted up against each other. A lap weld is a weld that is used to join two pieces of metal that overlap.

What is the difference between a full penetration weld and a partial penetration weld?

A full penetration weld is a weld that extends through the entire thickness of the joint. A partial penetration weld does not extend through the entire thickness of the joint.





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