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Grade |
|
Hardness (HRA) |
Density (g/cm3) |
T.R.S (MPa) |
Description |
YG6 |
6%Co |
91 |
14.6-15.0 |
1600 |
The highest wear resistance make this an excellent general purpose grade for use in pumps and valve |
YG8 |
8%Co |
89 |
14.4-14.8 |
1800 |
With better shock resistance than YG6, This grade is typically used as a mining grade where thoughness and abrasion resistance are also important .it has also proven useful in bearing applications |
YG6x |
6%Co |
92 |
14.6-15 |
1850 |
Sub-micro alloy, high hardness and wear resistance than YG6, little lower toughness than YG8, Used in parts where high wear resistance and high toughness are required. |
YG13 |
13%Co |
90.5 |
14.1-14.5 |
1950 |
high toughness and hardness grade. |
YN6 |
6%Ni |
90 |
14.5-14.9 |
1450 |
The highest hardness and wear resistance and corrosion resistance. Used in parts where corrosive condition in high temperature are required. |
YN8 |
8%Ni |
88 |
14.4-14.8 |
1650 |
With higher hardness and wear resistance. Used in parts where shock resistance and corrosion are required. |
YN9 |
9%Ni |
88 |
14.4-14.8 |
1900 |
With higher hardness and wear resistance. Used in parts where shock resistance and corrosion are required. |
YN12 |
12%Ni |
86 |
14.0-14.4 |
1800 |
Higher toughness for impact load. Used in parts where better shcok and impact are required. |