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GENERAL PURPOSE HIGH SPEED STEELS
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| Type | Chemical Compositions | |||||||
|---|---|---|---|---|---|---|---|---|
| Hardness | ||||||||
| Carbon | Tungeston | Molybdenum | Chromimum | Vanadium | Cobalt | Rockwell | Term | |
| M35 | 0.80 | 6.00 | 5.00 | 4.00 | 2.00 | 5.00 | 65-67 | "5% Cobalt" |
| M42 | 1.10 | 1.50 | 9.50 | 3.75 | 1.15 | 8.00 | 65-67 | "Super Cobalt" |
MANUFACTURERS COMPARISONS
| German | German | USA | Japan |
|---|---|---|---|
| Grade | DIN | AISI | JIN |
| Number | |||
| 1.3202 | S 12-1-4-5 | T 15 | SKH 57 |
| 1.3207 | S 10-4-3-10 | SKH 55 | |
| 1.3243 | S 6-5-2-5 | ||
| 1.3246 | S 7-4-2-5 | M 41 | SKH 59 |
| 1.3247 | S 2-10-1-8 | M 42 | |
| 1.3249 | S 2-9-2-8 | M 33/ M 34 | SKH 3 |
| 1.3255 | S 18-1-2-5 | T 4 | SKH 4 |
| 1.3265 | S 18-1-2-10 | T 5 | |
| 1.3342 | SC 6-5-2 | M 2 | SKH 51 |
| 1.3343 | S 6-5-2 | M 3 | |
| 1.3344 | S 6-5-3 |
M 3 Class2 | SKH 52/ SKH 53 |
| 1.3348 | S 2-9-2 |
M 7 | |
| 1.3355 | S 18-0-1 |
T 1 | SKH 2 |
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