| FOR REQUIREMENTS: | High Strength and High Fatigue through hardening steel |
| MELT PRACTICE: | VIM-VAR |
| ALT TO: | 300M, Aermet 100, 310, & 340 and Maraging 250, 300, & 350 |
| SPECIFICATIONS: | AMS6499 40SiNiCrMoV10 UNS: K54015 |
Benefits of NC310YW
- 10% Higher UTS than 300M
- Excellent fatigue properties compared to PH Steels
- Surface Carburizable
- Less Expensive alternative to Aermet and Maraging Steels
Typical Applications
- Transmission Shafts
- Gears
- Driveshafts/tripods (in Formula 1 cars)
- Axle Shafts
Comparison to Other Materials
Heat Treatment |
YS MPa (ksi) |
UTS MPa (ksi) |
A % |
Z % |
K1c
MPa√m |
|
|---|---|---|---|---|---|---|
| NC 310 YW (AMS 6499) |
940°C (1724°F) /2h Oil -75°C (-103°F)/4h 2×300°C (572°F) /2h/air |
1725 (250) |
2100 (305) |
7 |
30 |
45 (41) |
| 300 M
(AMS 6419) |
870°C (1598°F) /2h Oil 2×300°C (572°F) /2h/air |
1586 (230) |
1931 (280) |
7* |
25 |
55 (50) |
| NC310YW | 300M | Aermet 100 | Aermet 310 | Maraging 250 | Maraging 300 | Maraging 350 | |
|---|---|---|---|---|---|---|---|
| UTS | 311 | 280 | 285 | 315 | 254 | 293 | 342 |
| Yield Strength | 260 | 230 | 250 | 275 | 248 | 286 | 336 |
| Elongation | 9% | 10% | 14% | 14% | 11% | 10% | 6.20% |
| Fracture Toughness | 65 | 115 | 65 | 75 | 70 | 70 |
Chemical Composition
thead>| C | Si | Cr | Mo | V | Ni |
|---|---|---|---|---|---|
| 0.40 | 2.70 | 0.85 | 0.40 | 0.20 | 1.75 |
Stocking Sizes
1.181” – 5.906”ø (30 mm – 150 mmø)
Datasheet
