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CARBON & ALLOY STEELS CHEMISTRIES
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C | Mn | Ni | Mo | Cr | Other | |
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| 4140 MOD. | MAXEL TOOLING ALLOY | 0.42 | 1.00 | – | 0.20 | 1.00 | – | |
| 4140 MOD.+Al | NITRIDING 135 MOD | 0.40 | 0.60 | – | 0.35 | 1.60 | 1.15 AL | |
| 4150 S | MAXEL 3-1/2 / BRAKE DIE | 0.50 | 1.25 | – | 0.15 | 0.65 | .08 S | |
| 4150 MOD | HOLDER BLOCK | 0.50 | 1.25 | – | 0.18 | 0.65 | .08 S | |
| 4340 | 4340 | 0.40 | 0.70 | 1.85 | 0.25 | 0.80 | – | |
| 6150 | 6150 | 0.50 | 0.80 | – | – | 1.00 | .15 V | |
| 8620 | 8620 | 0.20 | 0.80 | 0.55 | 0.20 | 0.50 | – | |
| 52100 | 52100 | 1.00 | 0.35 | – | – | 1.50 | – | |
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NOTES: MAXEL 3-1/2 AND 4140 ARE AVAILABLE BOTH IN THE ANNEALED AND HEAT TREATED (Rc28-32) CONDITIONS.
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