Abrasion-Resistant White Cast Iron 6-ASTM A532_A532M
In following table 3 lists the typical brands and related properties of high chromium white cast iron.
Table 3 Typical grades and related properties of commonly used high chromium white cast iron
Material grade | chemical composition % | The maximum cross section / mm of the pearlite in the air quenching | Hardness HRC | |||||||
C |
Cr | Mo | Cu | Ni | Si | Cast state | quenched state | softening state | ||
12Cr | 2.0-3.5 | 11-14 | ≤ 1.5 | ≤ 1.2 | 0.5-1.0 | ≤ 1.0 | 60 | 49 | 60 | – |
15-3 high C | 2.8-3.6 | 14-16 | 2.5-3.6 | ≤ 1.2 | 0.5-1.0 | ≤ 1.0 | 120 | 50-56 | 60-67 | 37-44 |
15-3 low C | 2.4-2.8 | 14-16 | 2.4-2.8 | ≤ 1.2 | 0.5-0.8 | ≤ 1.0 | 70-90 | 44-48 | 58-63 | 35-40 |
15-2-1 | 2.8-3.5 | 14-16 | 1.9-2.2 | 0.5-1.2 | 0.6-0.9 | ≤ 1.0 | 200 | 50-55 | 60-67 | 40-44 |
20-2-1 | 2.6-2.9 | 19-21 | 1.4-2.0 | 0.5-1.2 | 0.6-0.9 | ≤ 1.0 | >200 | 50-54 | 60-67 | 38-43 |
26Cr |
2.2-2.8 | 24-28 | 0.3-1.0 | ≤ 0.8 | 0-3.0 | ≤ 1.0 | 200 | 48-50 | ≧ 56 | – |