1.2842 blade steel
1.2842 blade steel
- pinxin
- China
- within 45days
- 500ton/tons per month
1.2842 steel is cold work die steel is easy to forge and requires a hardness of 63HRC.
chemical composition
1.2842 chemical composition (mass fraction): C0.85% ~0.95%, Si0.10% ~0.40%, Mn1.90%~2.10%, P≤0.030%, S≤0.030%, Cr0.20% -0.50% , V0.05% ~0.15%.
Reference corresponding grade
Chinese GB standard grade 9Mn2V, international standard ISO grade 90MnV2, German DIN standard grade 90MnV8, German DIN standard material number 1.2842, American ASTM standard grade 02, British BS standard grade B02, Sweden ASSAB (ASSAB) standard grade DF- 20
Reference corresponding grade
Chinese GB standard grade 9Mn2V, international standard ISO grade 90MnV2, German DIN standard grade 90MnV8, German DIN standard material number 1.2842, American ASTM standard grade 02, British BS standard grade B02, Sweden ASSAB (ASSAB) standard grade DF- 20
Heat treatment specification
The starting temperature is 1050°C, the final temperature is 850°C, and it is cooled with the furnace.
Ordinary quenching and returning specifications
The quenching temperature is 780-810°C, oil-cooled, and the return temperature is 160 ~180°C or 190 ~230°C.
Typical application examples
1) Used for stamping dies, paper cutter tools, etc. with a thickness of <6mm.
2) This steel is used for plastic molds, and it needs to be heat treated when used, and the hardness is 58~60HRC
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