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About Steel
Compare over 50 grades of steel and cast iron to find the right material for you—all with material certificates for traceability.
Stress-Resistant 5160 Alloy Steel

- Yield Strength: 97,000 psi
- Hardness: Rockwell C25 (Hard)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C63
- Specifications Met: ASTM A689
5160 alloy steel handles repeated cycles of stress without breaking just like spring steel. It’s often used to make flat springs.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Wd. | Straightness Tolerance | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
0.214" Thick. (-0.006" to 0.006" Tolerance) | |||||
---|---|---|---|---|---|
1 3/4" | 1/8" per 5 ft. | 0000000 | |||
2" | 1/8" per 5 ft. | 00000000 | |||
2 1/4" | 1/8" per 5 ft. | 0000000 | |||
2 1/2" | 1/8" per 5 ft. | 00000000 | |||
1/4" Thick. (-0.006" to 0.006" Tolerance) | |||||
1 1/4" | 1/8" per 5 ft. | 00000000 | |||
3" | 1/8" per 5 ft. | 00000000 | |||
4" | 1/8" per 5 ft. | 0000000 | |||
0.323" Thick. (-0.006" to 0.006" Tolerance) | |||||
1 3/4" | 1/8" per 5 ft. | 00000000 | |||
2" | 1/8" per 5 ft. | 0000000 | |||
2 1/4" | 1/8" per 5 ft. | 00000000 | |||
2 1/2" | 1/8" per 5 ft. | 00000000 | |||
3" | 1/8" per 5 ft. | 0000000 | |||
3 1/2" | 1/8" per 5 ft. | 00000000 | |||
3/8" Thick. (-0.006" to 0.006" Tolerance) | |||||
1 1/2" | 1/8" per 5 ft. | 0000000 | |||
2 1/2" | 1/8" per 5 ft. | 0000000 | |||
3" | 1/8" per 5 ft. | 0000000 | |||
4" | 1/8" per 5 ft. | 00000000 | |||
0.499" Thick. (-0.008" to 0.008" Tolerance) | |||||
1 3/4" | 1/8" per 5 ft. | 0000000 | |||
2" | 1/8" per 5 ft. | 00000000 | |||
2 1/2" | 1/8" per 5 ft. | 0000000 | |||
3" | 1/8" per 5 ft. | 00000000 | |||
3 1/2" | 1/8" per 5 ft. | 0000000 | |||
4" | 1/8" per 5 ft. | 0000000 |