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ASTM A182 F22 (2¼Cr-1Mo) Valve

F22 Chrome-Moly Alloy Steel

ASTM A182 F22 is a 2.

Form

Forged

Max Temp

+593°C (+1100°F)

Min Temp

−29°C (−20°F)

Category

Alloy Steel

What is ASTM A182 F22 (2¼Cr-1Mo)?

ASTM A182 F22 (2¼Cr-1Mo) (F22 Chrome-Moly Alloy Steel) is a alloy steel valve material. ASTM A182 F22 is a 2.25% chromium, 1% molybdenum forged alloy steel widely used for high-temperature petrochemical and refinery valve components. Temperature range: −29°C to +593°C (−20°F to +1100°F).

Form:
forged
Max Temp:
+593°C (+1100°F)
Min Temp:
−29°C (−20°F)

Chemical Composition - ASTM A182 F22 (2¼Cr-1Mo)

C 0.05–0.15%, Mn 0.30–0.60%, Si ≤ 0.50%, Cr 2.00–2.50%, Mo 0.90–1.10%, P ≤ 0.025%, S ≤ 0.025%. Yield ≥ 205 MPa (30 ksi). UNS K21590.

Temperature Range

−29°C to +593°C (−20°F to +1100°F)

Maximum Temperature

+593°C (+1100°F)

Minimum Temperature

−29°C (−20°F)

Vajra Industrial Solutions manufactures and supplies valves in ASTM A182 F22 (2¼Cr-1Mo) (F22 Chrome-Moly Alloy Steel) for hydrogen and hydrogen-rich streams (hydrotreaters, reformers) per api 941, with EN 10204 3.1 material traceability on every order.

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Equivalent Grades - ASTM A182 F22 (2¼Cr-1Mo)

StandardEquivalent Grade
EN / DIN10CrMo9-10 / 1.7380
BSGrade 622
JISSFVAF 22A
ISO10CrMo9-10

Suitable Services

Hydrogen and hydrogen-rich streams (hydrotreaters, reformers) per API 941

High-temperature steam service above 450°C

Hot oil and vacuum gas oil (VGO) in refinery units

Ammonia synthesis and methanol plants at elevated temperature

High-pressure boiler feed water systems

Not Suitable For

Sour (wet H₂S) service without additional PWHT and hardness controls per NACE MR0175

Cryogenic service - use A182 F316 or F304L

Strong oxidising acids at elevated temperature

Valve Body Applications

Gate, globe, and check valve bodies in hydrotreating and hydrocracking units

High-pressure bonnet and body forgings in steam service above 450°C

Valve flanges and nozzle forgings in catalytic reformers

Hot hydrogen service valves per API 941 (Nelson curves)

Trim Applications

Stems and discs in high-temperature, high-pressure service

Bonnet studs and nuts in Class 600–1500 valves

Typical Valve Types in ASTM A182 F22 (2¼Cr-1Mo)

Gate valves: Class 600–1500 in high-temperature refinery service

Globe valves: control valves in hydrotreating unit bypass lines

Check valves: high-temperature reciprocating pump discharge

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Part of the Vajra Valve Materials Library
Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026

Connected Engineering

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We supply ASTM A182 F22 (2¼Cr-1Mo) (F22 Chrome-Moly Alloy Steel) valves with full certification documentation — EN 10204 3.1/3.2 MTCs and hydrotest certs as standard.