Suzhou Xunshi New Material Co., Ltd
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3J53 Constant Elastic Alloy Cold Drawn Wire for Spring and Elastic Components
3J53 is an equal grade of Ni-Span C 902 alloy. It is widely used in China to make spring and other elastic components.
3J58 is similar but with different Nickel content.
Chemical composition(weight, %)
| Grade | C | Mn | Si | P | S | Ni | Cr | Ti | Al | Fe |
| 3J53 | ≤0.05 | ≤0.08 | ≤0.08 | ≤0.020 | ≤0.020 | 41.5~43.0 | 5.20~5.80 | 2.30~2.70 | 0.50~0.80 | Balance |
| 3J58 | ≤0.05 | ≤0.08 | ≤0.08 | ≤0.020 | ≤0.020 | 43.0~43.6 | 5.20~5.60 | 2.30~2.70 | 0.50~0.80 | Balance |
Characters
| Grade | 3J53 | 3J58 |
| E/(N/mm2) | 176400~191100 | 176400~191100 |
| G(N/mm2) | 63700~73500 | 63700~73500 |
| ρ(g/cm3) | 8.0 | 8.0 |
| α0℃~100℃(10-6/℃) | 8.5 | 8.1 |
| B600/Gs | 7000 | 8000 |
| λ/10-6 | +5 | +5 |
| Tc/℃ | 110 | 130 |
| ρ(Ω·mm2/m) | 1.1 | 1.1 |
| Rm/(N/mm2) | 1470 | 1470 |
| A/% | 6 | 10 |
| HV | 420 | 400 |