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07MnNiMoDR steel sheet performance characteristics and the content of each element

1. 07MnNiMoDR steel sheet is a low-temperature vessel steel plate, the implementation standard is GB19189, usually in the state of quenching and tempering heat treatment. The impact temperature is -50 degrees.

2. The performance characteristics of 07MnNiMoDR steel sheet: high purity, high strength, high toughness and good welding performance; at the same time, it has low welding crack sensitivity performance.

3. 07MnNiMoDR steel sheet chemical composition (content of each element):

C Si Mn P S Cu Ni Cr Mo V B Pcm
≤0.09 0.15-0.40 1.20-1.60 ≤0.015 ≤0.005 ≤0.25 0.3-0.6 ≤0.3 0.1-0.3 ≤0.06 ≤0.002 ≤0.21

4. 07MnNiMoDR steel sheet mechanical properties (yield tensile impact resistance, etc.)

Grade Thickness Yield strength Tensile strength Elongation A 180° Cold bending Impact test temperature and impact energy
07MnNiMoDR 10-50mm ≥490MPa 610-730MPa ≥17% d=3a -50℃≥80

5. It is worth noting that the tempering temperature of 07MnNiMoDR steel sheet should not be lower than 610 degrees during heat treatment.

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