1.OD:1/2"-48" 2.WT:SCH5-SCHXXS 3.Material:A234WPB,304,Q235 and so on 4.Standard:GB,ANSI,JIS,DIN and so on TechnicsSeamless Elbow, Welded ElbowSize1/2"-48"(DN15-DN1200)VarietiesSCH5,SCH10,SCH20,SCH30,STD, SCH40, SCH60,XS, SCH80, XXS,SCH100,SCH120,SCH140,SCH160StandredANSI B 16.9/ANSI B16.28/MSS SP43/MSS P75/JIS2311/JIS 2312/JIS2313/ DIN2615 /GB-12459/GB-T13401,Gost17375MateriaCarbon steel: ASTM ...