... Sch160XXSStandardANSI,ASME GB, SH,HG, MSS,JIS,DIN, APIMaterial1) Carbon Steel: ASTM A234WPB, WPC; ASTM A420 WPL9,WPL3,WPL6A;ST ... elbow5. tube elbow6. 90 degree elbow7. 45 degree elbow8. carbon steel eblw9. butt welded elbow10. b w elbow11. welded elbow12 ... . stainless steel elbow13. alloy steel elbow14. seamless carbon steel elbow15. carbon steel seamless elbow high quality steel elbow