9Cr18, 9Cr18Mo material chemical composition | ||||||||||
Steel grade | Carbon | Manganese | Silicon | Chromium | Nickel | Copper | Sulfur | Phosphorus | Molybdenum | |
Stainless steel | 0.90/1.00 | ≤0.70 | ≤0.80 | 17.0/19.0 | ≤0.60 |
| ≤0.030 | ≤0.030 |
| |
Stainless steel | 1.00/1.10 | ≤0.80 | ≤0.50 | 16.0/18.0 |
|
| ≤0.030 | ≤0.030 | 0.40-0.70 |
9Cr18, 9Cr18Mo material mechanical properties | |||||
Heat treatment | σb Mpa | σs % | Ψ% | HRC/HBW | |
Quenching and tempering state | --- | --- | --- | ≥58 HRC | |
Annealing state | 755 | 14 | 27.5 | 230-240 HBW |
9Cr18, 9Cr18Mo High carbon chromium stainless steel ball specifications | |||||
Nominal diameter of steel ball | Nominal diameter of steel ball | Nominal diameter of steel ball | |||
mm | in | mm | in | mm | in |
0.5 |
| 0.6 |
| 0.794 | 1/32 |
0.8 |
| 1 |
| 1.588 | 1/16 |
2 |
| 2.381 | 3/32 | 2.5 | |
2.778 | 7/64 | 3 |
| 3.175 | 1/8 |
3.5 |
| 3.969 | 5/32 | 4 | |
4.5 |
| 4.762 | 3/16 | 5 | |
5.159 | 13/64 | 5.5 |
| 5.953 | 15/64 |
6 |
| 6.35 | 1/4 | 6.5 | |
6.747 | 17/64 | 7 |
| 7.144 | 9/32 |
7.5 |
| 7.938 | 5/16 | 8 | |
8.5 |
| 9 |
| 9.525 | 3/8 |
10 |
| 11.112 | 7/16 | 12 | |
12.303 | 31/64 | 12.7 | 1/2 | 13.494 | 17/32 |
14.288 | 9/16 | 15.081 | 19/32 | 15.875 | 5/8 |
16.669 | 21/32 | 17.462 | 11/16 | 18.256 | 23/32 |
19.05 | 3/4 | 20.638 | 13/16 | 22.225 | 7/8 |