321 stainless steel plates are part of the austenitic family of stainless steel. 321 is basically a 304 grade containing a stabilizer of titanium. Type 321 is a good choice for applications where heat is an issue. 321 can be used in applications up to 900°C where 304 is normally used up to 500°C. Grade 321 has excellent forming and welding characteristics. It does not polish well so would not be used for decorative applications. TW stocks a wide range of sizes in 321 stainless certified to AMS 5510, ASTM A 240, and SA 666.
Yield Strength: 25,000 psi
Rockwell B95 (Medium)
Heat Treatment: Annealed (Softened)
Heat Treatable: No
Specifications Met: ASTM A240, SAE AMS5510
SHEET / PLATE (Stainless Steel 321)
| UNS: | S32100 |
Specifications: | ASTM A240 |
International Specifications: | Euronorm: X6CrNiTi 18-10 Werstoff# 1.4541 |
| Thick. | Thick. Tolerance | Fabrication | Flatness Tolerance |
| 0.016" | -0.003" to 0.003" | Cold Worked | 0.40" |
| 0.02" | -0.003" to 0.003" | Cold Worked | 0.40" |
| 0.025" | -0.003" to 0.003" | Cold Worked | 0.40" |
| 0.032" | -0.004" to 0.004" | Cold Worked | 0.40" |
| 0.035" | -0.004" to 0.004" | Cold Worked | 0.40" |
| 0.04" | -0.004" to 0.004" | Cold Worked | 0.40" |
| 0.05" | -0.005" to 0.005" | Cold Worked | 0.40" |
| 0.062" | -0.005" to 0.005" | Cold Worked | 0.40" |
| 0.08" | -0.006" to 0.006" | Cold Worked | 0.40" |
| 0.09" | -0.006" to 0.006" | Cold Worked | 0.40" |
| 0.105" | -0.008" to 0.008" | Cold Worked | 0.40" |
| 1/8" | -0.008" to 0.008" | Cold Worked | 0.40" |
| 0.188" | -0.01" to 0.045" | Hot Rolled | 0.90" |
| 1/4" | -0.01" to 0.045" | Hot Rolled | 0.90" |
APPLICATIONS:
Aircraft exhaust manifolds
Expansion joints
Furnace parts
Heat exchangers
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