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| AISI |
GRADE NAME |
C |
Cr |
Mo |
V |
OTHER |
HOT* HARDNESS |
WEAR RESISTANCE |
TOUGHNESS |
HEAT CHECK RESISTANCE |
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| 4150 MOD. | HOLDER BLOCK | 0.50 | 0.65 | 0.18 | – |
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| P20 | CSM 2 | 0.30 | 1.70 | 0.40 | – |
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| — | KAPSTAR | 0.12 | 0.50 | 0.25 | 0.10 | Ni 4.00, Al 1.00 |
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| H10 MOD. | WR95 | 0.35 | 3.50 | 2.50 | 0.60 | Co 2.00 |
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| H11 | HALCOMB 218 | 0.40 | 5.00 | 1.30 | 0.50 |
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| H12 | CHRO-MOW | 0.35 | 5.00 | 1.30 | 0.35 | W 1.20 |
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| H13 | NU-DIE V | 0.40 | 5.20 | 1.30 | 0.95 |
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| H13 PQ | NU-DIE XL | 0.40 | 5.20 | 1.30 | 0.95 | S 0.003 MAX. |
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| H13 PQ | PDCQ | 0.40 | 5.20 | 1.30 | 0.95 | S 0.003 MAX. |
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| H13 MOD. | CPM NU-DIE EZ | 0.36 | 5.50 | 1.60 | 0.85 | S 0.17 |
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| H13 MOD. | CRU 161 | 0.50 | 5.00 | 1.60 | 1.10 |
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| H19 | HALCOMB 425 | 0.40 | 4.25 | 0.40 | 2.10 | W 4.20, Co 4.20 |
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| H21 | PEERLESS A | 0.30 | 3.30 | — | 0.25 | W 9.00 |
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| — | CPM 1V | 0.55 | 4.50 | 2.75 | 1.00 | W 2.15 |
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| — | CPM 9V | 1.80 | 5.25 | 1.30 | 9.00 |
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| * When heat treating hot work tool steels, hot hardness may be enhanced by using the high end of the hardening temperature range, at some sacrifice in material toughness. | |||||||||||