Dear Sir,
Is it mandatory to use cooling water GMAW machines? if yes i hope to mention the code/specification or any handbooks that recommends this and state the values of ampers for that?
or we can use oil cooling GMAW machines
E71T-1C is Charpy Impact tested at -20degC E71T-1CJ is Charpy impact tested at -40degC. AWS Classification for FCAW is only a supplementary...
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