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What is post weld heat treament?
heating then controlled cooling of a weld to reduce stress
Can you use jb weld on a cracked exhaust manifold?
You can try, but it will not stay. The heating and cooling of the manifold will cause the JB weld to fall off.You can try, but it will not stay. The heating and cooling of the manifold will cause the JB weld to fall off.
Difference between post heating and pwht?
post heating : after completion of weld is not cool below to preheat or room temp. further it is heat by applying addition heating system to certain period of time and temperature to evalute hydrogen from weld metal.
What is Seal weld in structures?
The seal weld in a structure is used a weld used for tightness. Specifically this type of weld is used for holding in liquids or gaseous materials.
What is girth weld?
circumfrencial weld is sometimes referred to as Girth weld. its just another term.
What is the welding process uses a resistive heating system to achieve weld metal deposition?
Manual Metal Arc Welding
What is a buttweld?
A buttweld is a junction welded by heating two ends of metal with a weld plate and joining them under a specific pressure.
What prevents contamination of the weld puddle shielding gases are used to displace from the weld zone?
Dross
What is a tky weld joint?
TKY weld joints are tubular joints used for welding. They are expressly used for when fabrication of a structure is necessary.
Why is argon used in welding Argon is used to give an inert atmosphere?
Yes it is. Argon is used to flood the area of the weld to keep oxygen away from the weld.
Why is argon gas used in welding?
Argon is used in welding to prevent oxygen from entering the weld site. Oxygen is basicly bad for the weld and Argon displaces the oxygen which results in a better weld (less heat stress, less air pockets (imperfections in the weld) etc.)
What is used to weld sheets of tower?
weldings
