Valve Material Reference
ASTM A105 Valve
Forged Carbon Steel A105ASTM A105 is the standard specification for forged carbon steel piping components including valve bodies, flanges, fittings, and bonnets.
Form
Forged
Max Temp
+538°C (+1000°F)
Min Temp
−29°C (−20°F)
Category
Carbon Steel
Chemical Composition — ASTM A105
Temperature Range
−29°C to +538°C (−20°F to +1000°F)
Maximum Temperature
+538°C (+1000°F)
Minimum Temperature
−29°C (−20°F)
Equivalent Grades — ASTM A105
| Standard | Equivalent Grade |
|---|---|
| ASTM | A105 |
| ASTM cast equiv. | A216 WCB |
| BS 1503 | 221-490 |
| DIN/EN | C22.8 / 1.0460 |
| IS | C25 equivalent |
Suitable Services
High-pressure steam (with IBR certification, per ASME B31.1)
Hydraulic systems
Natural gas and LPG at high pressure
Crude oil and petroleum at elevated pressure
Instrument isolation and sampling valves
Chemical dosing lines (small bore)
Not Suitable For
Temperatures below −29°C (use A350 LF2 for low temperature)
Corrosive chemical service
Wet H₂S / sour service without NACE hardness compliance
Valve Body Applications
Forged gate valve bodies (small bore, SW/BW end)
Forged globe valve bodies
Forged ball valve bodies (full bore and reduced bore, 2-piece and 3-piece)
Forged check valve bodies
Needle valve bodies
Pressure safety valve bodies
Trim Applications
Gate valve stem material
Globe valve stems
Ball valve stem — not common (usually SS 316 stem)
Typical Valve Types in ASTM A105
Ball valves: NPS ½"–2", Class 150–2500, SW, BW, threaded ends
Gate valves: NPS ½"–2", high-pressure socket-weld/BW
Globe valves: NPS ½"–2", instrument isolation
Needle valves: NPS ½"–1", high-pressure sampling
Check valves: NPS ½"–2", piston/lift type
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We supply ASTM A105 (Forged Carbon Steel A105) 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.