Standard: ANSI, ASTM, API.DIN, GB.JIS 

Material: ASTM A106, A53 Gr B, API5L Gr B St42, St45, ST37, ST35.8, ST52, 1.0309, 

 OD: 1/4"-40", 13mm-1000mm

WT :SCH5,SCH10,SCH20,SCH40,SCH60,SCH80,SCH100,SCH120,SCH160,XXS

Usage: Structure Use, water transport, Building, Machinery, Traffic, Aviation, Oil development EST.  

Surface treatment Black paint as rusty protect

Ends: 2"below plain ends, 2" above beveled ends 

Packing 6 steel strip, bundles, Caps, plastic wrap, loading belt