Features and specifications: 1) High-frequency welded 2) Width 6-50 3) Steel grade: SPHC, 08AL, 08F, HG5, DF08, Q195-235, M8 Features and specifications:1) Width 6mm-50mm2) Steel grade: SPHC, 08AL, 08F, HG5, DF08, Q195-235, M83) Standards: ASTM, API, JIS, DIN, EN, BS, GB Square Steel