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T1 Chemical Composition%
| Brand | Main Chemical Composition | ||||||||
| GB | C | Si | Mn | P | S | Cr | Mo | W | V |
| 1.3355 | 0.70-0.78 | ≤0.45 | ≤0.40 | ≤0.030 | ≤0.030 | 3.80-4.50 | 17.50-18.50 | 1.00-1.20 | |
| T1 | 0.65-0.80 | 0.20-0.40 | 0.10-0.40 | ≤0.030 | ≤0.030 | 3.75-4.50 | 17.25-18.25 | 0.90-1.30 | |
| W18CrV4 | 0.70-0.80 | 0.20-0.40 | 0.10-0.40 | ≤0.030 | ≤0.030 | 3.80-4.40 | <0.30 | 17.50-19.00 | 1.00-1.40 |
Specification
| Round bar size | Dia3.0-200mm |
| Length | 3-5m |
| Surface | Black or bright |
| Condition of delivery | Anealling/heat treatment |
| Processing | Hot rolled,cold rolled or forged |
| Smelting process | ESR |
| HB | ≤255 |
| HRC | 66-68 |
Feature
HSS tool steel T1 products details
| Round bar size | Diameter1.5-200mm | Delivery condition | Annealing or Heat treatment |
| Length range | 3000-5000mm | Annealing delivery | ≤255 |
| Surface conditon | Black or bright | Heat treatment hardness | 66-68HRC |


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