1. size: 1/2"-48" 2.w.t.: SCH10-SCH160,SGP,STD,XS,XXS, 3.material : ... , pipe fittingcarbon steel TEES:ISO 9001CERTIFICATE.1. BUTT WELDED FITTING:2. Production acc. to the standard of GB /ASTM / ASME / DIN ... , WP316L, A234WPB,6. Dimensions: Seamless: from 1/2' up to 24'7. Welded: From 1/2" up to 72"Packaging Detail: wooden cases ...