SS400 steel plate is a new generation of construction steel with high strength and plasticity, which is formed by adding various alloying elements with low alloy structural steel as matrix, and has excellent comprehensive mechanical properties. Suitable for making low and medium strength components and light components.
The advantages of SS400 steel plate: high strength, good toughness; Easy welding, good forming performance, can use high-frequency welding instead of mechanical stamping.
Composition and mechanical properties of SS400 steel plate: The steel contains a large number of alloy elements such as S, P and N, which has good comprehensive mechanical properties. The average content of C, Mn, Si is 0.45~0.75 (mass fraction). Heat treatment process of steel plate: heating temperature is 1180~1190℃, holding time is 30~60 min. Steel plate uses: mainly used in building structure, shipbuilding, automobile, engineering machinery and so on.
Surface quality of SS400 steel plate: Steel number: Hot rolled steel plate: Q235A, Q235C; Steel plate thickness: 3-5 mm, the allowable deviation of steel plate thickness: the allowable deviation of steel plate thickness is twice the steel plate. The thickness tolerance is ±0.2 mm, the width tolerance is ±1.0 mm, and the length tolerance is ±1.0 mm. Surface quality requirements are uniform, no obvious uneven; Coating without serious pitting, crack, delamination, defilm.
SS400 steel plate thickness, grade: 20, 40, 50, 60, 70, 80 mm≤200 mm. Thickness range: steel plate thickness is 4~80 mm, width is 8~1200 (mm), length is 1500~3000 (mm). Steel plate size (width × length) : according to user requirements, thickness is greater than or equal to 4 mm steel plate allowed for cutting processing.
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