Valve Material Reference
ASTM A182 F51 Valve
Forged Duplex 2205 (F51)ASTM A182 F51 is the forged duplex stainless steel specification for UNS S31803/S32205 (Duplex 2205) composition.
Form
Forged
Max Temp
+300°C
Min Temp
−40°C
Category
Duplex
Chemical Composition — ASTM A182 F51
Temperature Range
−40°C to +300°C
Maximum Temperature
+300°C
Minimum Temperature
−40°C
Equivalent Grades — ASTM A182 F51
| Standard | Equivalent Grade |
|---|---|
| ASTM cast equiv. | A995 CD4MCu (A890 4A) |
| EN | 1.4462 (X2CrNiMoN22-5-3) |
Suitable Services
Offshore instrument hook-up (seawater, produced water)
High-chloride chemical service
NACE sour service
Desalination plant small-bore valves
Not Suitable For
Temperatures above +300°C
Cryogenic service
Strongly oxidising or nitric acid service
Valve Body Applications
Small-bore forged valve bodies for offshore instrument hook-up
Seawater forged ball valves
NACE-compliant forged ball and check valves
Trim Applications
Ball valve stems in seawater service
Duplex trim for corrosive service
Typical Valve Types in ASTM A182 F51
Ball valves: NPS ½"–2", Class 150–1500, forged F51
Gate/globe valves: NPS ½"–2", offshore
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We supply ASTM A182 F51 (Forged Duplex 2205 (F51)) gate valves, globe valves, ball valves, check valves, and more. Full certification documentation — EN 10204 3.1/3.2 MTCs, hydro test certs — as standard.