... /2"-96" Thickness: SCH5S-SCH160, XXS Certificate: ISO, API a234 gr wp11 elbow Size -- Seamless:from 1/2" to 24" ,Welded ... , St52.4,St.35.8,St.35.8 ASTM A333 GR.6 ; API 5L GRB, X60, X65, X42,X52, ASTM A860 ... available as the requirement of customercontacter:Anna 86-15132790778 a234 gr wp11 elbow