Alloy 321 Stainless Steel Coil
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Gnee Super Alloy (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of alloy 321 stainless steel coil in China. If you're going to wholesale high quality alloy 321 stainless steel coil made in China, welcome to get free sample from our factory. Good service and reasonable price are available.
Alloy 321 (UNS S32100) is a titanium stabilized austenitic stainless steel with good general corrosion resistance. It has excellent resistance to intergranular corrosion after exposure to temperatures in the chromium carbide precipitation range of 800 – 1500°F (427 – 816°C). The alloy resists oxidation to 1500°F (816°C) and has higher creep and stress rupture properties than alloys 304 and 304L. It also possesses good low temperature toughness.
Alloy 321H (UNS S 32109) is the higher carbon (0.04 – 0.10) version of the alloy. It was developed for enhanced creep resistance and for higher strength at temperatures above 1000oF (537°C). In most instances, the carbon content of the plate enables dual certification.
| Denstiy lbm/in3 |
Coefficient of Thermal Expansion (min/in)-°F |
Thermal Conductivity BTU/hr-ft-°F | Specific Heat BTU/lbm -°F | Modules of Elasticity (annealed)2-psi | |
|---|---|---|---|---|---|
| at 68 °F | at 68 – 212°F | at 68 – 1832°F | at 200°F | at 32 – 212°F | in tension (E) |
| 0.286 | 9.2 | 20.5 | 9.3 | 0.12 | 28 x 106 |
Processing performance: 321 stainless steel has good processing properties and can be formed through conventional cold working and hot working processes. Cold working increases its strength and hardness, but intermediate annealing may be required to reduce stress.
Welding performance: 321 stainless steel has good welding properties and can be welded using most standard welding methods, including TIG (tungsten inert gas welding), MIG (metal inert gas welding) and resistance welding. No heat treatment is required after welding, and the stabilizing effect of titanium helps prevent intergranular corrosion during welding.
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