... weld fittings, Forged fittings, flanges. Carbon Steel & Stainless Steel, standard: ASTM, DIN, JIS SEAMLESS API5L PIPES,still pipes SIZE : 1/2" NB ... 10S, 10, 20, 30, STD, 40, 80MATERIAL:STAINLESS STEEL PIPES: ASTM / ASME SA 312 GR. TP 304, 304L, 316, ... NIPOLET,NIPOLET, ELBOLETPRESSURE GRADE: 3000LBSCH40,SCH80,STD,XS,6000LBSCH160,XXSMATERIAL:CARBON STEEL: A182 A105 STAINLESS STEEL: A182 F304, A182 F304L ...