F11 / F22 Chrome-Moly Forgings Manufacturer & Supplier
Creep resistant chrome-molybdenum forgings for elevated temperature service. F11 (1.25Cr-0.5Mo) and F22 (2.25Cr-1Mo) hold their strength where carbon steel has already crept — boiler, refinery and hydrogen service.
UNS: ASTM A182 F11 / F22 | Category: Chrome-Moly Forgings
Size Range
Outer Diameter: NPS 1/2 to 36 · forged weight 1 kg to 6 T
Chemical Composition (%)
| Cr | Mo | C |
|---|---|---|
| 1.00-1.50 (F11) / 2.00-2.50 (F22) | 0.44-0.65 (F11) / 0.87-1.13 (F22) | 0.05-0.15 |
Mechanical Properties
- Tensile Strength
- 415-585 MPa (F11), 485 MPa min (F22)
- Yield Strength
- 205-310 MPa
- Elongation
- 20% min
- Hardness
- 174-197 HBW
Applicable Standards
- ASTM A182
- ASTM A350
- ASME SA-182
- ASTM A388
- EN 10204 3.1
Applications
- Boiler and superheater headers
- Refinery and hydro-processing valve bodies
- High temperature flanges and fittings
- Hydrogen service components
- Steam turbine casings and nozzles
Industries Served
- Power & Energy
- Oil & Gas
- Chemical & Petrochemical
- Heavy Engineering
- Marine & Shipbuilding
- Cement & Mining
Equivalent Grades
- ASTM A182 F11
- ASTM A182 F11
- ASTM A182 F22
- ASTM A182 F22
- 1.7335
- 1.7335
- 1.7380
- 1.7380
- 10CrMo9-10
- 10CrMo9-10