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Cast iron with chromium - Nihard cast iron




Description of material Vickers hardness Chemical composition in % (specific fraction in %)
symbol HV min C Si Mn P S Ni Cr Mo Cu
EN-GJN-HV520 EN-JN2029 520 2,5 to 3,0 0,8 max. 0,8 max. 0,10 max. 0,10 max. 3,0 to 5,5 1,5 to 3,0 - -
EN-GJN-HV550 EN-JN2039 550 3,0 to 3,6 0,8 max. 0,8 max. 0,10 max. 0,10 max. 3,0 to 5,5 1,5 to 3,0 - -
EN-GJN-HV600 EN-JN2049 600 2,5 to 3,5 1,5 to 2,5 0,3 to 0,8 0,08 max. 0,08 max. 4,5 to 6,5 8,0 to 10,0 - -
EN-GJN-HV600(XCr11) EN-JN3019 600 > 1,8 to 2,4
> 2,4 to 3,2
> 3,2 to 3,6
1,0 max. 0,5 to 1,5 0,08 max. 0,08 max. 2,0 11,0 to14,0 3,0 1,2
EN-GJN-HV600(XCr14) EN-JN3029 600 > 1,8 to 2,4
> 2,4 to 3,2
> 3,2 to 3,6
1,0 max. 0,5 to 1,5 0,08 max. 0,08 max. 2,0 14,0 to 18,0 3,0 1,2
EN-GJN-HV600(XCr18) EN-JN3039 600 > 1,8 to 2,4
> 2,4 to3,2
> 3,2 to 3,6
1,0 max. 0,5 to 1,5 0,08 max. 0,08 max. 2,0 18,0 to 23,0 3,0 1,2
EN-GJN-HV600(XCr23) EN-JN3049 600 > 1,8 to 2,4
> 2,4 to 3,2
> 3,2 to 3,6
1,0 max. 0,5 to 1,5 0,08 max. 0,08 max. 2,0 23,0 to 28,0 3,0 1,2
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Applications:

- manufacture : manufacturing of parts for security purposes
- slip jackets for crushers
- rollers for crushers
- crusher cylinders
- pump bodies for charged liquid
- impulsors for charged liquid
- palletts for power stations
- Bends of expulsion
- boxes of expulsion

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