alloy steel elbow OD114*ID100MM 60 90 Size:1/2"--48" WT:SCH10-XXS Qualification:ISO, ... ,WPL3,WPL6;MSS-SP-75 WPHY 42/46/52/56/60/65/70Alloy SteelASTM A-234 WP1 ,WP5,WP9,WP11,WP22 ... ,316L,317,317L,321,310,347StandardsANSI,ISO,JIS,DIN,BS,GB,SH,HG,QOST,ETC.CertificationISO9001:2000,API,BV,SGS,LOIYDApplications ...