Non-secondary 25CrMo4 Steel Plate

25CrMo4 engineering steel is heat treatable structural steel. 25CrMo4 engineering steel plates supplier and exporter, STRUCTURAL will offer non-secondary 25CrMo4 engineering steel plates and 25CrMo4 engineering steel plates direct price. The use of heat treatable steels covers the full range of mechanical engineering, especially where dynamic stresses are involved.

European Standard
Grade: 25CrMo4
Plates Thickness: up to 150mm
Length: random lenght 
Steel grades are selected to meet property requirements for a given application.
Demand of higher strength and toughness require increasing alloy content for improved hardenability:
Carbon content is systematically increased in unalloyed grades from 0.22% to 0.55%
Next are a series of 1% Chrome (Cr) and 1% Cr / 0.25% Mo grades with carbon content increasing again from 0.25% to 0.55%.
For higher stressed components CrNiMo steels are used with both nickel and chromium stepping up between 1% and 2%
In NiCrMo steels nickel is present up to 4% and Mo up to 0.7% to ensure through-hardening of components like generator shafts.
In CrMoV steels carbon is partly replaced by alloys - up to 0.9% Mo - to retain good weldability or extra high toughness. 
Molybdenum’s most important role in these grades is to increase the hardenability and to promote a uniformly hardened microstructure across the full cross section.

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