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  • The selection principle of steel plate for high-rise building is: it can not only make the structure safe and reliable, but also can save steel and reduce the cost. Different use conditions should have different quality requirements. In terms of the mechanical properties of steel such as supply q bqb 340 b490nqr anti weathering corrosion steel sheet, yield point, tensile strength, elongation, cold bending property, impact toughness etc. are the indicators to measure the quality of steel. In the design of steel structure, the appropriate steel should be selected according to the characteristics of the structure. The selection of steel is not only an economic problem, but also related to the safety and service life of the structure.

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B490NQR steel is a family member of Q/BQB 340 steel. B490NQR improved anti corrosion structure steel plates have better corrosion resistance than carbon steel plates in the atmosphere. With time passing by, once installed, B490NQR improved anti corrosion structure steel plates can gradually formed a protective layer of rust resistance to atmospheric corrosion.china factory q bqb 340 b450nqr1 corten steel equivalent supply q bqb 340 b490nqr anti weathering corrosion steel sheetchina factory q bqb 340 b450nqr1 corten steel equivalent incoloy alloy pipe sheet bar. ss 201 precision seamless tube round. china q235 hot rolled steel plate price with various sizes. rmrs grade dq56 steel plate. abs grade dh36 for shiyan. ss400 s25c. s355jowp corten steel 6mm plate. en10088 2 1 4410 corrosion resisting steel. anti abrasion supply q bqb 340 b490nqr anti weathering corrosion steel sheetchina b490nqr weather steel corten sheetChina low cost q bqb 340 b480gnqr weather corten plate for 3mm Q BQB 340 B490NQR corten steel plate,Weather B490NQR improved anti corrosion structure steel plates have better corrosion resistance than carbon steel plates in the atmosphere.B480GNQR weathering steel can be used for manufacturing container,railway vehicles,Q/BQB 340 B480GNQR weathering steel plate with rust

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Rolling of steel plates is the core of the entire steel rolling production process. The billet is deformed by rolling. The rolling process plays a decisive role in product quality. The quality requirements of rolled supply q bqb 340 b490nqr anti weathering corrosion steel sheet products include the three aspects of product geometry and dimensional accuracy, internal organization and performance, and product finish. Finishing: It is the last process in the supply q bqb 340 b490nqr anti weathering corrosion steel sheet rolling process, and it is also a more complicated process. It plays a final role in guaranteeing the quality of the product.

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