High Cr Casting Martensitic White Iron Blow Bar Parts Introduction
High chromium white iron wear-resistant castings, cement polished board carbon and silicon content is low, carbon mainly exists in cementite form, fracture surface is silver white. The microstructure and properties are uniform, wear resistant, good plasticity and toughness.
Product details
Place of Origin: Jiangsu, China (Mainland)
Brand Name: Chen's Liner
Model Number: DF642
Application: mining industry
Material: Iron
Dimensions: 320/580
Hardness: More than HRC58
Material Grade: KmTBCr18
Product name: High Cr Cast Iron Chute Liners for Grinding Mill
The standard of high chromium cast iron in the United States is ASTMA532M, and the content of high chromium cast iron (mass molecular number) specified by American Climax molybdenum Co., Ltd.
| Ingredient grades. | 12-1 | 15-3 | 15-2-1 | 20-2-1 | |||
Ultra-high carbon. | High carbon. | Medium carbon. | Low-carbon. | ||||
C | 3.0-3.5 | 3.6-4.3 | 3.2-3.6 | 2.8-3.2 | 2.4-2.8 | 2.8-3.5 | 2.6-2.9 |
Cr | 11-14 | 14-16 | 14-16 | 14-16 | 14-16 | 14-16 | 18-21 |
Mo | 0.5-1.0 | 2.5-3.0 | 2.5-3.0 | 2.5-3.0 | 2.4-2.8 | 1.9-2.2 | 1.4-2.0 |
Cu | <1.0 | - | - | - | - | 0.5-1.2 | 0.5-1.2 |
Mn | 0.5-0.8 | 0.7-1.0 | 0.7-1.0 | 0.5-0.8 | 0.5-0.8 | 0.6-0.9 | 0.6-0.9 |
Si | 0.5-0.8 | 0.3-0.8 | 0.53-0.8 | 0.3-0.8 | 0.3-0.8 | 0.4-0.8 | 0.4-0.9 |
S | <0.05 | <0.05 | <0.05 | <0.05 | <0.05 | <0.05 | <0.05 |
P | <0.10 | <0.10 | <0.10 | <0.10 | <0.10 | <0.06 | <0.06 |
The maximum cross section of pearlite does not appear when air is cold. (mm) | - | 70 | 90 | 120 | 200① | >200 | |
HRC | Casting state. | 60-67 | 51-56 | 50-54 | 44-48 | 50-55 | 50-54 |
Quenching. | 62-67 | 60-65 | 58-63 | 60-67 | 60-67 | ||
Annealing. | 40-44 | 36-42 | 35-40 | 40-44 | 38-43 | ||
