welding methods of JIS SM400B plates

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Our company supply the cold rolled steel coil for customers, and the cold rolled steel coil we produce the standard of JIS, EN, DIN. The available grades include the JIS G 3141 SPCC, SPCD, SPCE, JIS SM400B plates and so on. The EN 10111 standard include DD11, DD12, DD13, DD14. The EN 10130 standard include DC01, DC03, DC04 etc. The standard of DIN 1623 available grades have ST12, US113, RRST13 and ST14.

Tempering includes high temperature tempering, medium temperature tempering and low temperature tempering. Tempering means to reheat the JIS SM400B plates quenched steel to a certain temperature and then cool it in a certain way. Tempering can reduce or eliminate the internal stress produced by quenching, reduce the hardness and strength, and improve the ductility or toughness of steel. After JIS SM400B plates quenching, the workpiece should be tempered in time, and the required mechanical properties can be obtained through the combination of quenching and tempering.

JIS SM400B plates, 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

After years of operation and accumulation, the company has formed an operation network covering major economic cities across the country, with a group of high-quality professional logistics technicians and management personnel, strong strength and stable logistics channels. The company's business operations include the loading and unloading of steel raw materials and finished materials, JIS SM400B plates warehousing, and freight transportation. Our logistics service business has passenger transportation, automobile and construction machinery inspection, logistics information management and operations.

The automobile steel coil and sheets are one of our main steel materials exported to the overseas. For any questions about automobile steel, for example, JIS G3113 SAPH440 JIS SM400B plates chemical & mechanical composition, S355MC material specification, S700MC material properties, QSTE 380 TM equivalent, please contact us freely. Our sales person and technician will give you professional answers. And welcome to consult us about automobile steel price.