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About Stainless Steel
Compare over 25 types of stainless steel to find the right material for you—all with material certificates for traceability.
Ultra-Corrosion-Resistant Alloy 20 Stainless Steel

- Yield Strength: 35,000 psi
- Hardness: Rockwell B95 (Medium)
- Heat Treatment: Annealed (Softened)
- Heat Treatable: No
- Specifications Met: ASTM B473
A high nickel content allows Alloy 20 stainless steel to stand up to harsh chemicals in caustic environments. It's also known as Carpenter 20. Maximum temperature for corrosion resistance is not rated.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Dia. | Dia. Tolerance | Fabrication | Straightness Tolerance | 1/2 ft. Lg. | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
1/4" | -0.003" to 0.003" | Cold Worked | 1/16" per 5 ft. | 0000000 | ||||
3/8" | -0.003" to 0.003" | Cold Worked | 1/16" per 5 ft. | 0000000 | ||||
1/2" | -0.003" to 0.003" | Cold Worked | 1/16" per 5 ft. | 0000000 | ||||
5/8" | -0.003" to 0.003" | Cold Worked | 1/16" per 5 ft. | 0000000 | ||||
3/4" | -0.003" to 0.003" | Cold Worked | 1/16" per 5 ft. | 0000000 | ||||
7/8" | -0.003" to 0.003" | Cold Worked | 1/16" per 5 ft. | 0000000 | ||||
1" | -0.003" to 0.003" | Cold Worked | 1/16" per 5 ft. | 0000000 | ||||
1 1/2" | -0.003" to 0.003" | Cold Worked | 1/16" per 5 ft. | 0000000 |