Stainless steel welded pipe EFW ASTM A928 and ASTM A358
Standard for stainless steel welded pipe, EFW ASTM A358 and ASTM A928
ASTM A358 ASTM A358/A358M-2015 高溫設備與通用設備用電熔焊奧氏體鉻鎳不銹鋼管 100X射線探傷，ASTM A928/A928M-05 添加填充金屬的電熔焊鐵素體/奧氏體不銹鋼管 100X射線探傷.ASTM A358和ASTM A928的共同點都是電熔焊管標準
ASTM A312無縫、焊接和深度冷加工奧氏體不銹鋼管 100X射線探傷,,ASTM A312要求采用不添加任何填充金屬的方式進行不銹鋼管的焊接。而ASTM A358和ASTM A928要求焊縫采用添加填充金屬的焊接方法.
