... " WT thickness: SCH10-SCH160, XXS DN500 large size carbon steel elbow Size -- Seamless:from 1/2" to 24" , ... JISB2311 JISB2312 JISB2313, BS, GB, ISOMaterial --Carbon steel --ASTM A234WPB,,A234WPC,A420WPL6. 20#,Q235,10#,20#, ... ,316,316L,321. 1Cr18Ni9Ti, 00Cr19Ni10,00Cr17Ni14Mo2, etcAlloy Steel --ASTM A234 WP12,WP11,WP22,WP5,WP9,WP91, ... :Anna 86-15132790778 DN500 large size carbon steel elbow