317 stainless steel, also known as UNS S31700 and Grade 317, is primarily comprised of 18% to 20% chromium and 11% to 15% nickel along with trace amounts of carbon, phosphorus, sulfur, silicon and balanced with iron.


Products partially or completely constructed of 317 and 317/317L Dual Certified include:
Absorber towers
Boilers
Condenser tubes
Fittings
Heat exchangers
Outlet and inlet ductwork
Pipes
Piping systems
Pressure vessels
Slurry tanks
Stack liners
Tanks
Valves
| STOCKING DIAMETERS | 1/4 TO 10 |
|---|---|
| MATERIAL LENGTHS | UP TO 24 |
| UNS | TYPE | AMS | ASTM | FEDERAL | CHARACTERISTICS |
|---|---|---|---|---|---|
| S31700 | 317 | – | A-276 A-314 | QQ-S-763 | 317 contains a higher alloy content improving basic advantages of 316. |
| C | MN | P | S | SI | CR | NI | MO | CU | OTHER | M/NM |
|---|---|---|---|---|---|---|---|---|---|---|
| .08 | 2. | .045 | .03 | 1. | .18-20. | 11.-15. | 3.-4. | NM |
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