GB/T706-2008 热轧型钢
Hot rolled section steel
GB/T702-2008 热轧圆钢和方钢尺寸外形重量及允许偏差
Hot-rolled steel bars- Dimensions,shape,weight and tolerances
GB/T11263-2005 热轧H型钢及部份T型钢
The hot-rolled H and cut T section
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