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EU EN 3C45 淬火和回火钢 - 第1部分:一般交货技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 3C45 / 3 C 45
Category Grade Standard Region/Area Standard Content
Metals 3 C 45 EN 10083-1 EU 淬火和回火钢 - 第1部分:一般交货技术条件

Chemical composition(mass fraction)(wt.%) of the 3 C 45

Element Min Max Similar

Mechanical Properties of steel grade 3 C 45

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)
653 (≥) 137 (≥) 31 13 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade 3 C 45

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
11 - -     0.43 -  
224 854 - 12.3 331   -  
738 - 34 22.2   323 442

Heat Treatment of steel grade 3 C 45

Heat treated : 1479°C - 1298°C

Technological Curves of steel grade 3 C 45

Cross Reference Table (Equivalent Grade) of 3 C 45

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