... "-80" WT thickness: SCH10-SCH160, Material:carbon steel standard:ANSI Piping component carbon steel BW pipe fittingsSize -- Seamless:from 1/2" to 24 ... SP-75 DIN2605 JISB2311 JISB2312 JISB2313, BS, GB, ISOMaterial --Carbon steel --ASTM A234WPB,,A234WPC,A420WPL6. 20#,Q235,10#,20#,A3, ... ,304L,316,316L,321. 1Cr18Ni9Ti, 00Cr19Ni10,00Cr17Ni14Mo2, etcAlloy Steel --ASTM A234 WP12,WP11,WP22,WP5,WP9,WP91,16MnR, ...