22. 20. -. GB/T 4171 atmospheric corrosion resisting structural steel is produced in cold-rolled and hot rolled -rolled steel plates, sheets and sections. Due to
supply fast delivery gb t 4171 q460nh weather steel corten Q295GNH steel,Q295GNH weathering steel,Q295GNHQ295GNH steel plate under GB/T 4171 standard,it is a kind of weathering steel.As the weathering steel,Q295GNH
q310gnh weathering steel - Weather Resistant Steel Plates Q310GNH steel is a kind of weathering steel which under China GB/T 4171 standard. As the weathering steel, Q310GNH steel is widely used in vehicle, bridge, tower
nucor GB-T 24186 NM400 Abrasion resistant steel - NM500 Jun 13, 2020 · GB T 4171 Q235NH weather metal for welded structure is mainly utilized in vehicle or within the construction trade. metal plate,steel alloy GB T 4171
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