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EU EU 45Si7 弹簧钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 45Si7 / 45 Si 7
Category Grade Standard Region/Area Standard Content
Metals 45 Si 7 EU 89 EU 弹簧钢

Chemical composition(mass fraction)(wt.%) of the 45 Si 7

Element Min Max Similar

Mechanical Properties of steel grade 45 Si 7

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
424 (≥) 969 (≥) 23 21 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade 45 Si 7

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
23 - -     0.33 -  
378 944 - 11.3 412   -  
825 - 22 34.2   414 122

Heat Treatment of steel grade 45 Si 7

Heat treated : 1514°C - 1255°C

Technological Curves of steel grade 45 Si 7

Cross Reference Table (Equivalent Grade) of 45 Si 7

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