CrMoV - Chrome-Moly-Vanadium
CrMov is a low alloy ferritic steel. Also known as a creep resisting alloy, this material is used in elevated temperature environments. Base materials for the alloy provide creep rupture properties up to 580°C. Developed in the 1970s, this material is typically used in fasteners and other parts for power plants.
CrMoV Inventory Size Ranges
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Standard Inventory Specifications
- B50A179B3
- B50A164B2
- B5F5B31
- B50A249
- B50391B
Common Applications of CrMoV
- Steam turbines
- Valve casings
- Cast materials
- Boilers and pressure vessels
- Drills
- Connecting rods
- Gear wheels
- Power generation
- Petrochemical industry
Chemical Composition
| Element | Percent by Weight | |||
|---|---|---|---|---|
| C | Carbon | 0.17 - 0.25 | 0.17 - 0.25 | 0.17 - 0.25 |
| Si | Silicon | ≤ 0.40 | 0.15 - 0.35 | 0.30 - 0.60 |
| Mn | Manganese | 0.40 - 0.80 | 0.35 - 0.85 | 0.30 - 0.60 |
| P | Phosphorous | ≤ 0.030 | ≤ 0.030 | ≤ 0.035 |
| S | Sulfur | ≤ 0.030 | ≤ 0.030 | ≤ 0.035 |
| Al | Aluminum | ≤ 0.030 | ≤ 0.030 | |
| Cr | Chromium | 1.20 - 1.50 | 0.90 - 1.20 | 1.20 - 1.50 |
| Mo | Molybdenum | 0.55 - 0.80 | 0.65 - 0.80 | 1.00 - 1.20 |
| Ni | Nickel | ≤ 0.60 | 0.20 - 0.80 | ≤ 0.60 |
| V | Vanadium | 0.20 - 0.35 | 0.25 - 0.35 | 0.25 - .035 |
Mechanical Properties of CrMov
| Modulus of Elasticity | 29000 ksi |
| Melting Process | Electric arc |
| Forming Process | Hot rolled or forged |
*The technical data provided is for information only and not for design purposes. It is not warranted or guaranteed.