FUJI DIE
Fuji Die Sustelloy STN30 Lightweight Rigid Material With Reduced Tungsten Content
Manufacturer: Fuji Die Co., Ltd.
Model: STN30
Feature
- Reduced the use of W (tungsten) and Co (cobalt) by 90%.
- Lighter than cemented carbide, with a specific gravity similar to steel.
- Higher corrosion resistance than general cemented carbide
- Achieves wear resistance close to that of cemented carbide.
- Its grindability is equivalent to that of cemented carbide, and it can also be machined using electrical discharge machining.
- Having magnetism
Specifications
| Material | Specific Gravity | Wear Rate (D60 = 100) [%] | Fracture Toughness KIC [MPa·m1/2] | Young’s Modulus [GPa] | Magnetic Property | HRA | HV | |
|---|---|---|---|---|---|---|---|---|
| Mixed Abrasion | Crushing Abrasion | |||||||
| STN30 | 8.30 | 120 | 141 | 10 | 420 | ○ | 91.5 | 1550 |
| High Speed Steel | 8.10 | 410 | – | – | – | ○ | – | 940 |
| Cemented Carbide (F20) (Ultra-fine) | 13.90 | – | 137 | 12 | 520 | ○ | 91.0 | 1500 |
| Alloy (D60) (Medium Grain) | 14.05 | 100 | 100 | 19 | 520 | ○ | 88.0 | 1200 |
| Alumina-based Ceramic (FCA10) | 3.93 | 320 | – | 2.8 | 360 | × | – | 1600 |
| Zirconia-based Ceramic (FCY0M) | 6.07 | 185 | – | 4.4 | 200 | × | – | 1270 |
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