H ave you heard of post weld heat treatment (PWHT)? Of course you have. If you are involved in welding you have definitely heard this term. But what is PHWT? When is PWHT required? …

S tress relieving is a form of post weld heat treatment. In stress relieving we heat a material to a specific temperature; hold it at this temperature for a specified amount of time in order to …

Developed in compliance with AWS D1.1/D1.1M Structural Welding Code (Steel), this publication contains 322 prequalified welding procedure specifications (WPSs) for welding of Group I & …

S tress relieving is a form of post weld heat treatment. In stress relieving we heat a material to a specific temperature; hold it at this temperature for a specified amount of time in order to …

H ave you heard of post weld heat treatment (PWHT)? Of course you have. If you are involved in welding you have definitely heard this term. But what is PHWT? When is PWHT required? …

Because of this there are an innumerable amount of problems we can experience when we weld. From porosity and spatter to cracked welds, welding problems cost us a lot of money. In some …

Stress relieving is a form of post weld heat treatment. In stress relieving we heat a material to a specific temperature; hold it at this temperature for a specified amount of time in order to …

W aveform control is the ability of a welding power source to affect heat input, droplet shape and size, penetration, bead shape and toe wetting by the use of microprocessor controls which …

A weld failure is never good. Whether a weld cracks on a truck’s axle or on the post holding your house’s fence, there are always consequences. Hopefully the consequences are limited to …

H eat input is important because it has an effect on cooling rates which in turn can significantly affect the mechanical properties of the weld and heat affected zone. It also plays a role in …