... WT: 0.5-40mm Grade: TP304, TP304L, TP316L, TP321, TP316Ti, TP310S etc Product Name: 316l Stainless Steel Tube Standard: ASTM /ASME / AISI ... /T14975-02,GB/T 14976-02,GB/T 13296-91 Grade: TP304, TP304L, TP316L, TP321, TP316Ti, TP310S etc O.D: ... Pipes and Tubes.Our advantages: DUAL STANDARD WITH DUAL GRADE materials. ASTM A269/A213, with GRADE: TP316/TP316L, with the NICKEL content at least 12%.Manufacture ...