Valve body castings,
Sand Casting method,
ASTM A217-WC9 Cast steel for high temp service. Temperature range (-20 to 1100 deg.F) Some limited corrosion resistance and anti graphitization qualities
A217 WC9 Valve Body
| C | Mn | P | S | Si | Cr | Mo | Ni | |
| ASTM A217-WC9 | 0.05 to 0.18 | 0.40 to 0.70 | 0.04 max | 0.045 max | 0.60 max | 2.00 to 2.75 | 0.90 to 1.20 | 0.50 max* |
| Carbon | Manganese | Phosphorus | Sulpher | Silicon | Chromium | Molybdenum | Nickel |
* Allowed as a residual element. Residual elements have a combined maximum also.