Comparative Compositions
| NOMINAL COMPOSITIONS AND PHYSICAL PROPERTIES | |||||||||||||
| Applications | Alloy | C | Mn | Si | Ni | Cr | Mo | W | V | Nb | Hardness | Machinability | Flame Cut |
| Build up, Joining, Buffer Layers | MLC | .60 | 14. | .5 | 4.0 | 4.0 | - | - | - | - | HB200/500 | LOW | YES |
| REBUILD | .2 | 1.0 | .40 | .50 | 1.0 | .50 | - | - | - | Rc32 | GOOD | YES | |
| MC | .60 | 17 | .20 | - | 13. | - | - | - | - | HB200/500 | LOW | NO | |
| Hi-Impact / Low Abrasion | 140 | .20 | .70 | .50 | - | 2.5 | .2 | - | - | - | Rc40 | GOOD | YES |
| Hi-Impact / Low Abrasion | 150 | 3.0 | 1.0 | 1.5 | - | 15 | - | - | - | - | Rc50 | GOOD | NO |
| Hi-Impact / Moderate Abrasion | 255 | .30 | .90 | .50 | - | 4.5 | - | - | - | - | Rc55 | LOW | YES |
| Hi-Impact / Severe Abrasion | 356 | .40 | 2.0 | - | - | 10 | 1.8 | - | .50 | - | Rc56 | GRINDING | NO |
| Low Impact / Severe Abrasion | 457 | 3.5 | 2.0 | 1.0 | - | 32 | - | - | - | - | Rc58 | GRINDING | NO |
| 458 | 5.0 | 2.0 | 1.0 | - | 32 | - | - | - | - | Rc60 | GRINDING | NO | |
| 459 | 6.8 | 2.0 | 1.0 | - | 25 | - | - | - | 7.0 | Rc62 | GRINDING | NO | |
| 460 | 5.8 | 2.0 | 1.0 | - | 21 | 6.0 | 2.3 | 1.0 | 6.0 | Rc62 | GRINDING | NO | |
