Tungsten Carbide Ball National Standard (JBT9145-2010) II
- Details
- Category: Tungsten Information
- Published on Monday, 14 September 2015 17:14
Tungsten carbide ball categories and grades meet the rules of GB/T 18376.3.The basic composition and mechanical properties table of tungsten carbide ball by LS category tungsten carbide as follows:
|
Category Code |
Content（%） |
Mechanical Properties |
|||||
|
Co(Ni、Mo) |
WC |
Others |
Rockwell hardness HRA≥ |
Vickers hardness HV≥ |
Bending strength MPa≥ |
||
|
LS |
10 |
3-6 |
margin |
trace |
90.0 |
1550 |
1300 |
|
20 |
5-9 |
margin |
trace |
89.0 |
1400 |
1600 |
|
|
30 |
7-12 |
margin |
trace |
88.0 |
1200 |
1800 |
|
|
40 |
11-17 |
margin |
trace |
87.0 |
1100 |
2000 |
|
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