Abrasion-Resistant White Cast Iron 4-ASTM A532_A532M Ni-Hard
Table 2 Wear-resistant white cast iron chemical composition and mechanical properties of Ni-Hard

Type | chemical composition % | mechanical properties(sand cast)after heat treatment | |||||||
C | Si | Mn | Ni | Cr | Mo | HRC | σb
/ kg·mm – 2 |
αk
/ kg·..m·cm – 2 |
|
Ni-Hard1 |
3.0-3.6 | 0.3-0.5 | 0.3-0.7 | 3.3-4.8 | 1.5-2.0 | 0-0.4 | 53-61 | 25-35 | 2.0-4.0 |
Ni-Hard
2 |
≤ 2.9 | 0.3-0.5 | 0.3-0.7 | 3.3-5.0 | 1.4-2.4 | 0-0.4 | 52-59 | 32-39 | 3.5-5.0 |
Ni-Hard
3
|
2.6-3.2 | 1.5-2.0 | 0.4-0.6 | 5.0-6.0 | 8.0-9.0 | 53-63 | 50-60 | 3.5-6.0 |