ASME welding
ASME welding
(OP)
What temperature shall the part be before it is welded? How to decide post-welding heat treatment? What is the air velocity limit during welding? Thank!
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RE: ASME welding
- chemical composition and heat treatment condition of the material(s) you are joining
- selection of filler metal to join the material and weld joint configuration
- thickness of the material(s)
Knowing the three items above, you can review the welding section of any construction code or Standard and determine the preheat and post weld heat treatment requirements. You can also calculate the preheat requirements based on accepted formulas that use the chemical composition of the base metals and thickness.
By the nature of your question, it sounds like you should visit the web site below and review background information on this subject of welding;
http://www.khake.com/page89.html
RE: ASME welding
Ans; The air or wind velocity restrictions have been discussed before, and AWS recommends a restriction of 5 mph or less for welding processes that require a shielding gas.
RE: ASME welding