Hot rolled anti corrosion structural steel plate B460NQR B490NQR B480GNQR B600GNQR Q400NGR1 Q450NGR1 Q500NGR1 Q550NQR1 . With alloy element, such as Cu, Cr, Ni , added , the anti corrosion structural steel acquires a corrosion resistance ability and extends the service life.
China Building Structure ASTM A242 A588 Weather Resistant Qingdao Hengze Steel Co.,ltd-----Professional manufacturer of weather resistant/wear resistant/pressure vessuel/ shipbuilding/ checkered/stainless steel/aluzminum/carbon steel sheet/coil etc.steel products for more than 10 years.And we can produce 0.5~300mm thickness with various size.Please tell us the size you need, we'd like to update the latest price according to your needs.
B490NQR Weathering steel tube Specification. WT:1-50mm. Length:Max 13meter. Outer Diameter:10.3-508mm. The third party inspection:DNV, BV, LR, ABS, SGS ,etc. Various processing for B490NQR improved anti corrosion structure steel plates:cutting ( any size and any shape ) drilling, welding, milling, machining and steel structure.