... 2"-96" Thickness: SCH5S-SCH160, XXS Certificate: ISO, API a234 gr wp11 elbow Size -- Seamless:from 1/2" to 24" , ... GB, ISOMaterial --Carbon steel --ASTM A234WPB,,A234WPC,A420WPL6. 20#,Q235,10#,20#,A3, Q235A, 20G,16Mn, DIN St37, St45.8, St52 ... .4,St.35.8,St.35.8 ASTM A333 GR.6 ; API 5L GRB, X60, X65, X42,X52, ASTM ... as the requirement of customercontacter:Anna 86-15132790778 a234 gr wp11 elbow