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60SI2CRVA
Public Time:2011年05月14日 | Sort:Spring steel | Hits:964

60Si2CrVA spring steel to withstand high stress and temperature at 300 ~ 350 ℃ the following spring, such as the governor springs, turbine steam seal springs, with spring breakers and so on. 60Si2CrVA steel also very important for the production of springs, such as conventional weapons to take bombs hook spring, spring breakers.

Chemical composition:


Carbon C: 0.56 ~ 0.64

Si Si: 1.40 ~ 1.80

Manganese Mn: 0.40 ~ 0.70

Sulfur S: ≤ 0.030

Phosphorus P: ≤ 0.030

Chromium Cr: 0.90 ~ 1.20

Ni-Ni: ≤ 0.35

Copper Cu: ≤ 0.25

Vanadium V: 0.10 ~ 0.20


Mechanical properties:


Tensile strength σb (MPa): ≥ 1862 (190)


Yield strength σs (MPa): ≥ 1666 (170)


Elongation δ5 (%): ≥ 6


Reduction of area ψ (%): ≥ 20


Hardness: hot-rolled + heat treatment, ≤ 321HB;


Cold Drawn + heat treatment, ≤ 321HB

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