... "-100" Welded 2.Standard:ANSI, DIN,JIS, BS 3.carbon steel,stainless steel,alloy steel Pipe CapStandard: Standard: GB /ASTM / ASME / DIN / JIS. ... Material:Carbon steel(10#, 20#, Q235, 20G, 16Mn, ASTM A234, ASTM A105, ... ST37-2),Stainless steel (TP304, TP304H, TP304LN, TP304L, TP310 / S, TP316L, TP316H, TP316 / ...