... 3.Standard: ASTM, DIN,JIS 4.Size:1/2"-48" ISO/API carbon steel pipe/steel tube1.Type: smls welded2 ... Size:1/2"-48"5.MOQ: 1piece6.Payment term: L/C T/T or buyer required7.Delivery time:7-35 ... 430 etc. Carbon Steel: ASTM A 106, A 53, API A 5L Gr A, B, C, ASTM A 333, ... standard quality butt-welding elbow, tee, reducer, nipple, bushing, coupling, outlet etc supplying.AS CS SS Pipe, fittings, flangesMaterial: ...