What are the S420MC steel for automotive industry advantages

Zhengzhou BBN steel company was established in 2000. After more than ten years of development, it has formed a professional operation pattern integrating R&D, production, sales and after-sales service. In recent years, S420MC steel for automotive indu

Zhengzhou BBN steel company was established in 2000. After more than ten years of development, it has formed a professional operation pattern integrating R&D, production, sales and after-sales service. In recent years, S420MC steel for automotive industry based on a high starting point and high technology, the company has vigorously developed various steel products S420MC steel for automotive industry and deep-processed parts, steel structures, precision castings, seamless pipes.

S420MC steel for automotive industry, Medium and heavy steel plate is a kind of steel plate with outstanding characteristics. First of all, there are many kinds of thickness of medium and heavy steel plate, which are generally relatively thick. Secondly, the thickness of medium and heavy steel plate is relatively thick, so it can be used for high strength application such as bridges. Thirdly, the corrosion resistance and wear resistance of medium and heavy steel plate are much better than ordinary steel plate.

Cold rolled steel sheet has high strength, high hardness, high surface finish and is generally thin plate, which can be used for stamping. The production process of S420MC steel for automotive industry, hot-rolled and cold-rolled steel plates is different. Hot rolled steel plate is rolled at high temperature, while cold rolled steel plate is rolled at normal temperature. Generally speaking, cold-rolled steel plate has better strength and hot-rolled steel plate has better ductility.

Alloying elements can strengthen the properties of structural steels. S420MC steel for automotive industry, Alloy structural steel has suitable hardenability. After proper metal heat treatment, the microstructure is uniform sorbite, bainite or very fine pearlite. Therefore, alloy structural steel has higher tensile strength and yield ratio (generally about 0.85), higher toughness and fatigue strength, and lower ductile brittle transition temperature. Alloy structural steel can be used to manufacture machine parts with larger section size.

asme sa514 gr.P quenched and tempered alloy steel element composition%
C: 0.12-0.21, Si: 0.20-0.35, Mn: 0.45-0.70, P max.: 0.035, S max.: 0.035, Ni: 1.20-1.50, Cr: 0.85-1.20, Mo: 0.45-0.6.0, B: 0.001-0.005
The mechanical properties in thickness (mm)T≤65
Yield strength (≥Mpa): 690
Tensile strength (Mpa):760-895
Elongation in ≥,%: 18

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