II. Section 1.hot rolled I-beam size: 8#--63#(JIS,EN) material: Q235,Q345 2.hot rolled channel size: 5#--40#( JIS,EN) material:Q235,Q345 3.hot rolled equal angle,unequal angle size: 20*20mm-200-200mm,45*30-200*125 material: Q235, Q345 4.hot rolled H-beam size: 10050-800300mm material: Q23, Q345 5.hot rolled flat bar,chord plate,galvanized flat bar size: 12mm-300mm material: Q235, Q345,60SiMn,65Mn. 6.ledge steel specification: D15, M15, M18, E19, M22 material: M540 7.mining I-beam specification: 9#, 10#, 11# 8.U-blacket steel specification: 25U,29U, 36U material: 20MnK
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