Ferrotungsten FeW70
Tungsten master alloy used in high-speed, tool and wear-resistant steels.
Material overview
The Ferroalloys catalog describes Ferrotungsten FeW70 as follows: Tungsten master alloy used in high-speed, tool and wear-resistant steels. Reviewers should evaluate Introduces tungsten for red hardness and wear, high melting point, and controlled Mn and S. The grade record lists High-speed steel, hot/cold work tool steel, wear parts, and heavy alloys among typical applications. The dataset currently includes 8 property records covering chemical composition and physical properties. Standards and form records reference GB/T 3648 and Bar / Rod. Final supply conditions remain subject to specification, inspection, and export-control review.
Key characteristics
- Introduces tungsten for red hardness and wear
- high melting point
- controlled Mn and S
Typical applications
- High-speed steel
- hot/cold work tool steel
- wear parts
- heavy alloys
Grade names and equivalents
Technical properties
Typical values are for reference only. Final chemistry, mechanical properties, heat treatment, dimensions, inspection, and documentation are confirmed against the applicable specification and MTC/COA before order acceptance.
Chemical composition
| Property | Value | Unit | Condition / standard |
|---|---|---|---|
| W | 65.0-75.0 | wt% | Typical value |
| C | 0.2 max | wt% | Typical value |
| Mn | 0.25 max | wt% | Typical value |
| S | 0.05 max | wt% | Typical value |
| P | 0.03 max | wt% | Typical value |
| Fe | balance | wt% | Typical value |
Physical properties
| Property | Value | Unit | Condition / standard |
|---|---|---|---|
| Bulk density | 2.5 | t/m3 | Lumps |
| Melting point | over 2000 | C | Typical |