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Boiler steel plates for room temperature and medium temperature (below creep temperature) are mostly carbon steel, including carbon steel, carbon manganese steel, carbon manganese silicon steel, SMA490AW bridge weathering steel, etc. They are mainly used in the manufacture of pressure-bearing parts such as boiler drums and header end covers below medium temperature. High temperature (above creep temperature) boiler steel plates are mainly used to manufacture high-temperature pressure-bearing parts such as high-temperature header end caps and steam pipe blocking plates.
Q295GNH steel chemical composition: C: 0.14～0.19, Si: ≤0.30, Mn: 1.00～1.30, P: ≤0.025, S: ≤0.025, Cr: 0.80～1.10Q295GNH mechanical properties:Tensile strength σb (MPa): 880-1180Yield strength σ0.2 (MPa): 635Elongation δ5(%): 9Reduction of area ψ(%): 35Impact toughness value αku (J/cm2): 34
To provide customers with the most satisfactory service and realize the win-win of economic and social benefits, our company promises to provide excellent SMA490AW bridge weathering steel products in this bidding, and in line with the attitude of being serious and responsible to customers, before sending goods to users, the SMA490AW bridge weathering steel technical personnel shall confirm that there is no fault in the equipment before sending goods to users, and then send goods and products to users, and formulate the following service terms.