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Contact SupplierFactory supplying gb standard hot rolled I beam steel
1. Material : ss 400, st37-2 , a36, s235 jrg1, q235, q345 etc.
2. Length : 6 meter, 9 meter ,12 meter
3. Chinese standard size : 100*68*4.5mm-630*180*17mm
4. European standard size : 80*46*3.8mm-600*220*12mm
5. Packing: bundles or knitting bag or according to the requirement
6. Standard : gbt 700-1988