美标槽钢 C10*30 进口美标槽钢A992-A36执行标准ASTM/A572M
美标槽钢C3*4.1A36235JR6米美标槽钢C3*5A376米/12米美标槽钢C4*5.4A366米/12米美标槽钢C4*7.25A572GR655-9.2米美标槽钢C5*9A366米美标槽钢C6*8.2A366米美标槽钢C6*8.2Q235B6米美标槽钢C6*10.5A572GR5012米美标槽钢C6*13A3612米美标槽钢C8*11.5A3612米美标槽钢C8*13.75A36/A572GR506.1米/9.14米12米美标槽钢C8*18.75A36/A572GR5012米/12.2米美标槽钢MC8*21.4A3611.9米美标槽钢C10*15.3A572GR509.144米美标槽钢C10*20A572GR5012米美标槽钢C10*25A572GR503米美标槽钢C10*30A3611.8米/12.2米美标槽钢C12*20.7A36/A572GR506米/9米/12米美标槽钢C12*25A572GR509.144米/11.8米美标槽钢C12*30A36/A572GR506.096/9.144米美标槽钢C15*33.9A572GR5011.8米美标槽钢C15*40A36/A572GR5011.8米美标槽钢C15*50A572GR5010.7米http:a1891635628044.b2b168.com