Welcome to BBN High Strength Steels Factory
Standing at a new historical starting point, we adapt to the requirements of supply side structural reform, adhere to the overall strategy of "innovation driven, quality leading, EN 10025 S890Q high strength steel quality improving and efficiency increasing, transformation and development", and constantly improve the development concept and development level with a forward-looking vision and grand vision. Now we have been ranked the EN 10025 S890Q high strength steel International leading steel materials supplier.
Structural steel for bridges is mainly used to make riveted and bolted welded bridge steel structures such as highway bridges, railway bridges, sea-crossing bridges, overpasses, viaducts, and large mechanical bridge cranes. EN 10025 S890Q high strength steel, E grade bridge steel is suitable for low temperature and severe cold environment or bridge structural parts that are subjected to dynamic loads and the stress conditions of components are very complex and harsh.
The five advantages of EN 10025 S890Q high strength steel wear-resistant steel plate can reduce its own weight. The steel plate is designed according to the addition of several required alloy elements. Through the special heat treatment method of steel plate, the strength level of EN 10025 S890Q high strength steel steel plate is improved to make it have high hardness (wear resistance) corresponding to various specifications. The result is a significant reduction in the weight of the structure.
The allowable working temperature of boiler steel plate is generally below 475 ℃, which can't meet the needs of high temperature working condition. Chromium molybdenum steel is one of the common steels for EN 10025 S890Q high strength steel pressure vessels, which is widely used in various hydrogenation units and reforming units in oil refining and chemical industry. Therefore, on the basis of common EN 10025 S890Q high strength steel carbon steel, alloy elements such as Cr Mo V are added, which has excellent hydrogen corrosion resistance and good high temperature strength, It is the material of high temperature and high pressure vessel shell and head.
EN 10025 S890Q high strength steel, SA387Gr11CL2 steel chemical composition(%): C: ≤0.15, Si: 0.44—0.86, Mn: 0.35—0.73, P: ≤0.10, S: ≤0.007, Cr: 0.94—1.56, Mo: 0.40—0.70, Ni: ≤0.25, Cu: ≤0.20, Sb: ≤0.0030, Sn: ≤0.015, As: ≤0.016.SA387Gr11CL2 steel mechanical properties: Tensile strength, ksi [MPa]: 75 to 100 [515 to 690]; Yield strength, min, ksi [MPa]: 43 [310]Elongation in 8 in. [200mm], min %: 18; Elongation in 2 in. [50mm], min, %: 22
Both parties shall confirm the EN 10025 S890Q high strength steel material object and the quality of the products, confirm the reasons for the defects and the quality of the products, and sign the quality inspection agreement. Major quality objections shall be reported to relevant leaders in a timely manner, and shall be discussed and solved with the EN 10025 S890Q high strength steel steel plant.
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