1. size: 1/2"-48" 2.w.t.: SCH10-SCH160,SGP,STD,XS,XXS, 3.material : ASTM A234 WPB , DIN , JIS, EN10253,GOST 4.type: ELBOW,carbon steel elbow1.Name: welded or seamless elbow2. Deg:15deg,30deg,45deg,90deg,180deg3. LR or SR4. WH: SCH 10,SGP,STD,SCH 20-SCH 160,XXS5.Standards: ASMT WPB A234,ANSI B16.9,JIS,DIN,GB,GOST,KB6. Surface treatment: black paint,vanish paint,rust-proof oil,hot galv7. Application:Prtroleum, chemical, power, gas,metallurgy,construction etcISO 9001CERTIFICATE.1.BUTT WELDED FITTING:2.Production acc. to the standard of GB /ASTM / ASME / DIN / JISASTM B 16.9 /16.11 B 16.28 JIS B 2311/2220 DIN2617/2616/2615/23913.Types: Elbows, seamless and welded, LR & SR ,Bend -Equal and reducing Tees,seamless and welded - Concentric and eccentric Reducers,seamless and welded -Caps,4.Wall thickness: From Sch5 up to Sch160/STD/XS/XXS5.Material Grades: A403,WP304, WP304L, Wp316, WP316L, A234WPB,6.Dimensions: Seamless: from 1/2' up to 24'7.wlded: From 1/2" up to 72