... % before loading8. Export standard packagingGood quality of stainless steel welded pipe: ProductStainless steel welded pipe StandardASTM A554, A249, A269 and A270, A312,A778Material Grade201 ... #, 400# Satin / Hairline400#, 600# or 800# Mirror finishApplicationfree cutting, improved machine ability, heading, refractory, general useTestSquash test, extended test, water pressure ...