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Grade Instruction
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China Grade |
ISO Grade |
Hardness(HRA)≥ |
Density(g/cm3)≥ |
Bending strength(N/mm3)≥ |
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YG6X |
K01-K015 |
93.0 |
14.8 |
2500 |
|
YG8X |
K15-K30 |
91.5 |
14.6 |
2500 |
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YG10X |
K15-K30 |
91.0 |
14.4 |
3000 |
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YG13X |
K15-K30 |
90.0 |
14.0 |
3000 |
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YG6A |
K10 |
92.0 |
14.8 |
1500 |
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YG6X |
K10 |
91.5 |
14.8 |
1600 |
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YG6 |
K10-K20 |
90.5 |
14.8 |
1700 |
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YG6 |
K10-K20 |
90.0 |
14.8 |
2000 |
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YG8 |
K30 |
90.0 |
14.7 |
1800 |
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YG8 |
K30 |
89.5 |
14.7 |
1800 |
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YG8 |
K30 |
89.0 |
14.7 |
1800 |
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YG11 |
K40 |
88.5 |
14.3 |
2500 |
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YG15 |
- |
87.0 |
14.0 |
2500 |
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YG20 |
- |
86.0 |
13.5 |
2500 |
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YG8C |
- |
88.0 |
14.7 |
2300 |
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YG9C |
- |
87.0 |
14.6 |
2400 |
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YG11C |
- |
86.5 |
14.3 |
2500 |
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YG13C |
- |
86.0 |
14.2 |
2500 |
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YG15C |
- |
85.0 |
14.0 |
2500 |
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YG20C |
- |
84.0 |
13.5 |
2500 |
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YT15 |
P10 |
92.0 |
11.2 |
1350 |
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YT14 |
P20 |
91.0 |
11.4 |
1400 |
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YT5 |
P30 |
89.5 |
12.9 |
1700 |
|
YW1 |
M10 |
92.0 |
13.4 |
1400 |
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YW2 |
M20 |
91.0 |
13.2 |
1600 |
Other grade can be designed according to customers’ request. |
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