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GCr15 (52100)
C50
20MnCr5
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Quality
GCr15 (52100)
C50
20MnCr5
GCr15 (52100)
Chemical composition
Item
Content(%)
C
0.950 - 1.050
Si
0.150 - 0.350
Mn
0.200 - 0.400
S
≤0.020
P
≤0.027
Cr
1.300 - 1.650
Ni
≤0.300
Mo
≤0.100
Cu
≤0.250
Ni+Cu
≤0.500
Quality Standard
Type of hardness: Through hardening
Hardened on the surface: 60 HRC +/-2
Depth of the hardness: 6.0 – 8.0 mm
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