Valve Material Reference
ASTM A351 CF3M Valve
SS 316L Cast (CF3M)ASTM A351 CF3M is the low-carbon cast equivalent of SS 316L.
Form
Cast
Max Temp
+370°C (lower than CF8M due to lower carbon strength)
Min Temp
−254°C (cryogenic)
Category
Stainless Steel
Chemical Composition — ASTM A351 CF3M
Temperature Range
−254°C to +370°C (max continuous; sensitisation avoided with low C)
Maximum Temperature
+370°C (lower than CF8M due to lower carbon strength)
Minimum Temperature
−254°C (cryogenic)
Equivalent Grades — ASTM A351 CF3M
| Standard | Equivalent Grade |
|---|---|
| ASTM wrought equiv. | A240 316L / A276 316L |
| EN | 1.4409 (GX2CrNiMo19-11-2) |
| JIS | SCS16 |
Suitable Services
Pharmaceutical — Purified Water (PW), Water for Injection (WFI)
Biotech and biopharma clean-in-place (CIP) and steam-in-place (SIP)
Cryogenic — LNG, liquid oxygen, liquid nitrogen, liquid argon
Food and beverage
Fine chemicals and specialty solvents
Not Suitable For
High-temperature service (lower strength than CF8M above 371°C)
Same corrosion limitations as CF8M: HCl, concentrated H₂SO₄
Valve Body Applications
Pharmaceutical valve bodies (PW, WFI, CIP)
Food-grade valve bodies
Cryogenic valve bodies (LNG, LOX, LAr)
Fine chemical and specialty chemical valves
Trim Applications
All-CF3M construction for high-purity and pharmaceutical service
PTFE seats in food/pharma ball valves
Typical Valve Types in ASTM A351 CF3M
Sanitary diaphragm valves for pharmaceutical
Cryogenic gate and globe valves (LNG service)
Sanitary ball valves with PTFE seats
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We supply ASTM A351 CF3M (SS 316L Cast (CF3M)) 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.