321/321H | UNS S32100/S32109
Description
Stainless 321 is a heat resistant, titanium stabilized, austenitic alloy that is commonly used for service in the 1000°F-1600°F temperature range. Stainless 321 is primarily used in applications that involve continuous and intermittent service temperatures within the carbide precipitation range of 800°F-1500°F.
Specifications Stocked
| Form Name | Size Range | Schedules | Specifications |
|---|---|---|---|
| Seamless Pipe | 1/2″ – 12″ | 40S, 80S, 120, 160, XXH | ASTM A312 / ASME SA312 |
| Buttweld Fittings | 1/2″ – 12″ | 40S, 80S, 160 | ASTM A403 / ASME SA403 |
| Flanges | 1/2″ – 12″ | 150#, 300#, 600# | ASTM A182 / ASME SA182 |
Limiting Chemical Composition %
|
C |
Cr |
Mn |
Ni |
P |
S |
Si |
Ti |
|---|---|---|---|---|---|---|---|
|
MAX |
17.0 – 20.0 |
MAX |
9.0 – 13.0 |
MAX |
MAX |
MAX |
Trace* |
*The titanium content shall not be less than 5 times the carbon content and not more than 0.60%.
Note: 321H requires the titanium content to be not less than 4 times the carbon content and not more than 0.60%.
Typical Industrial Applications
- High temperature chemical processes
- Heat exchanger tubes
- Refineries
- High temperature steam service
Tensile Requirements
|
Tensile Strength |
Yield Strength |
|---|---|
|
75 |
30 |
NOTE: The information and data in this product data sheet have been compiled from a variety of sources, and should be considered as a general guide only. The information and data included are accurate to the best of our knowledge, and may be revised at any time without notice. Energy Metals Inc. assumes no responsibility for the accuracy of this information.