Related Conditions
Precipitation Hardened, FV520B
Primary Hardened
The primary hardened condition of FV520B is aged at 750-850°C.
This condition is supplied to an analysis and hardness only, typically 294-331 HB max.
This interim grade can be secondary hardened or aged to certain other conditions of FV520B, generally only Peak Hardened.
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12.954
14.274
16.256
20.243
22.529
25.4
25.654
32.258
32.486
35.229
38.354
45.313
51.104
63.881
70
70.357
76.581
82.931
90.5
95.631
101.6
101.981
107.95
115
120.65
127.508
133.35
140.5
152.4
165.1
180
203.2
215.9
230
241.3
265
285
Enquire Now
Can’t find what you are looking for? More sizes available on request. Click here to get in touch!
- 12.954
- 14.274
- 16.256
- 20.243
- 22.529
- 25.4
- 25.654
- 32.258
- 32.486
- 35.229
- 38.354
- 45.313
- 51.104
- 63.881
- 70
- 70.357
- 76.581
- 82.931
- 90.5
- 95.631
- 101.6
- 101.981
- 107.95
- 115
- 120.65
- 127.508
- 133.35
- 140.5
- 152.4
- 165.1
- 180
- 203.2
- 215.9
- 230
- 241.3
- 265
- 285
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Supplied Condition:
- Commercial grade only
- Max hardness. 331 HB
Chemical Composition (%):
| C | Cr | Ni | Mo |
| ≤0,7 | 13,0-15,0 | 5,0-6,0 | 1,2-2,0 |
- Improved intergranular & pitting corrosion compared to 17/4PH
- Improved corrosion resistance in specific environments
- Excellent anti-galling characteristics
- Low machinability but good weldability
- High impact resistance in the 550℃ ‘aged’ condition
- Commonly employed in aerospace, oil & gas, and other industries where high-performance materials are needed.
- Gears, bolts, rotor blades
- Centrifugal compressors
- Impeller blades
Supplied Condition:
- Commercial grade only
- Max hardness. 331 HB
Chemical Composition (%):
| C | Cr | Ni | Mo |
| ≤0,7 | 13,0-15,0 | 5,0-6,0 | 1,2-2,0 |
- Improved intergranular & pitting corrosion compared to 17/4PH
- Improved corrosion resistance in specific environments
- Excellent anti-galling characteristics
- Low machinability but good weldability
- High impact resistance in the 550℃ ‘aged’ condition
- Commonly employed in aerospace, oil & gas, and other industries where high-performance materials are needed.
- Gears, bolts, rotor blades
- Centrifugal compressors
- Impeller blades
Get A Quote Today
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