Valve Stem Material Selection Table
Release time:2025.09.02
Valve Stem Material Selection Table
Quick reference for selecting valve stem materials by strength, corrosion resistance, and application environment. Confirm the appropriate material for pressure, temperature, and medium before quoting.
| Material Type | Common Grades | Main Properties | Applicable Media | Temperature Range | Pressure Range |
|---|---|---|---|---|---|
| Carbon Steel | A105, A182 F6 | High strength, wear resistant, good machinability | Water, steam, air | -29℃ ~ 425℃ | 150~2500 lb |
| Austenitic Stainless Steel | 304, 316 | Corrosion resistant, oxidation resistant, good machinability | Water, mild acids/bases, food, seawater | -196℃ ~ 550℃ | 150~2500 lb |
| Duplex / PH Stainless Steel | 2205, 17-4PH | High strength, corrosion & wear resistant | Corrosive media, seawater | -50℃ ~ 600℃ | 150~2500 lb |
| Alloy Steel (Cr-Mo) | A182 F11, F22 | High strength at high temp, creep resistant | High temp steam, oil & gas | 0℃ ~ 600℃ | 150~2500 lb |
| Copper Alloy / Brass | C36000, C95400, C95500 | Corrosion resistant, easy to machine, moderate strength | Drinking water, low-pressure water | 0℃ ~ 150℃ | 150~300 lb |
| Special Alloys | Hastelloy, Monel, Inconel | Extreme corrosion & temperature resistance | Strong acids/bases, seawater | 0℃ ~ 700℃ | 150~2500 lb |
