Stainless steel welded tube / pipe 1. Standard: GB, ASTM, JIS, DIN, EN, AISI 2. Material: 304, 304L, 316, 316L, etc ... Stainless steel welded tube / pipe1. Standard: GB, ASTM, JIS, DIN, EN, AISI2. Material: 304, 304L, 316, 316L, etc3. Size ... Composition MaterialChemical Composition %JIS G 3459CSiMnPSNiCrMoSUS 304≤0.08≤1.00≤2.0≤0.045≤0.0308.0~10.5018.0~20 ...