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Q/BQB 403 2003 (Replaced by Q/BQB 403 2009) ChineseStandard.net Page 1 of 12 Translated English of Chinese StandardQ/BQB403 2003 ChineseStandard.net GB/T 222 1984 Method of sampling steel for determination of chemical composition and permissible variations for product analysis GB/T 223 Chemical analysis method of steel and alloy

q bqb 340 b550nqr1 weather steel for bridge fakefur.be Q/BQB 340 B480GNQR weathering steel plates chemical contents include copper, nickel, phosphorus and other chemical elements, which is for only a few percent and make Q/BQB 340 B480GNQR weathering steel plates have better mechanical properties, as well as greater corrosion resistance.

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Q/BQB 340 B480GNQR weathering steel plates perfect for Q/BQB 340 B480GNQR weathering steel plates chemical contents include copper, nickel, phosphorus and other chemical elements, which is for only a few percent and make Q/BQB 340 B480GNQR weathering steel plates have better mechanical properties, as well as greater corrosion resistance.

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