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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 高温设备与通用设备用电熔焊奥氏体铬镍不锈钢管 100X射线探伤，ASTM A928/A928M-05 添加填充金属的电熔焊铁素体/奥氏体不锈钢管 100X射线探伤.ASTM A358和ASTM A928的共同点都是电熔焊管标准
ASTM A312无缝、焊接和深度冷加工奥氏体不锈钢管 100X射线探伤,,ASTM A312要求采用不添加任何填充金属的方式进行不锈钢管的焊接。而ASTM A358和ASTM A928要求焊缝采用添加填充金属的焊接方法.
