... Standard: GB, ASTM, JIS, DIN, EN, AISI 2. Material: 304, 304L, 316, 316L, etc Stainless steel welded tube / pipe:1 ... . Standard: GB, ASTM, JIS, DIN, EN, AISI2. Material: 304, 304L, 316, 316L, etc3. Size: 12.7MM-----104MM4. Thickness: 0 ... 1. Chemical Composition MaterialChemical Composition %JIS G 3459CSiMnPSNiCrMoSUS 304≤0.08≤1.00≤2.0≤0.045≤0.0308 ... 03010.0~14.016.0~18.02.0~3.SUS 316L≤0.03≤1.00≤2.0≤0.04 ...