Features and specifications: 1) Outer diameter: 5 - 320mm 2) Steel grade: SPHC, 08AL, 08F, HG5, DF08, Q195-235, M8 Features and specifications: 1) Outer diameter: 5 - 320mm2) Steel grade: SPHC, 08AL, 08F, HG5, DF08, Q195-235, M83) Standards: ASTM, API, JIS, DIN, EN, BS, GB Round Bar