What is the 42crmo4 nickel alloy steel hardness equivalent

What is the 42crmo4 nickel alloy steel hardness equivalent

What is the 42crmo4 nickel alloy steel hardness equivalent

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Q345B material is a low carbon alloy steel grade with good overall performance, low temperature performance, cold stamping performance, welding performance and machinability. Q345 serues steel is widely used in bridges, vehicles, ships, buildings, pressure vessels. Q represents the yield of this material, and the number 345 refers to the yield value of this material, which is around 345MPa. As the thickness of the material increases, its yield value decreases.

Cold-forming automobile structural steel S650MC chemical composition (melting analysis)%
C: ≤0.12, Si: ≤0.60, Mn: ≤2.00, P: ≤0.025, S: ≤0.015, Al: ≥0.015, Nb: ≤0.09, V: ≤0.20, Ti: ≤0.25, Mo: ≤0.50, B: ≤0.005
The mechanical properties
Yield strength: ≥650 MPa
Tensile strength: 700-880 MPa
Elongation: ≥10%

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