Specifications steel pipe fittingANSI STANDARD. 1/2"- 24" seamlessseam welding :4"-48"CS ASTM A234 WBP,A420,A106 Size range: seamless 1/2" to ... 24" seam weldding 4" to 48" Material: carbon steel ASTM A234 wpb, wpc; A106; st37.0; S235JR; SS400; CT20, 20#; Q235A; ... ----25MM SCH5,SCH10S, SCH10, SCH20, SCH30, STD, SCH40, XS, SCH60, SCH80, SCH100, SCH120, SCH140, SCH160, XXS, SGP, LG, Products: Elbow: ...