elbow features: Certificate:ISO9001-2000 Standard:JIS, DIN, ASTM, Material: carbon /stainless stele Reducer:1/2"-80" Typecarbon steel bendSize:1/2”---80”Wall thicknessSch5sch160StandardANSI, ASME, JIS, DINMaterial1) carbon steel : ASTM A234,WPB,WPC, ASTM A420,WPL9, WPL3,WPI6A,ST37.22) Stainless steel: ASTM A403, WP304/304L,WP316/316L,WP321,WP341PackingWooden cases, wooded or steel pallet plastic ...