... kinds of carbon steel elbows SIZE: SCH 20--SCH 160 Material: ASTM 106 BR.B, A53, AISI B16.9, B36.1, ... GB, SH,HG, MSS,JIS,DIN, APIMaterial: Carbon Steel ASTM A234WPB, WPC ;ASTM A420 WPL9,WPL3,WPL6A;ST 37.2 Packaging: Wooden ... per customers requirementQuality: First gradeOthers: 1. Special design available according to requirement2.anti-corrosion and high-temperature resistant with black painting3 ...