... . size: 1/2"-48" 2.w.t.: SCH10-SCH160,SGP,STD,XS,XXS, 3.material : ASTM A234 WPB , DIN , JIS, EN10253 ... ,30deg,45deg,90deg,180deg3. LR or SR4. WH: SCH 10,SGP,STD,SCH 20-SCH 160,XXS5.Standards: ASMT WPB A234,ANSI ... ,30deg,45deg,90deg,180deg3. LR or SR4. WH: SCH 10,SGP,STD,SCH 20-SCH 160,XXS5.Standards: ASMT WPB A234,ANSI ...