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Belgium NBN C25 淬火和回火钢 - 第2部分:非合金钢的交货技术条件。 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C25 / C 25
Category Grade Standard Region/Area Standard Content
Metals C 25 NBN EN 10083-2 Belgium 淬火和回火钢 - 第2部分:非合金钢的交货技术条件。

Chemical composition(mass fraction)(wt.%) of the C 25

Element Min Max Similar

Mechanical Properties of steel grade C 25

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)
713 (≥) 955 (≥) 43 21 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade C 25

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
13 - -     0.34 -  
836 778 - 44.3 342   -  
972 - 23 32.2   311 332

Heat Treatment of steel grade C 25

Heat treated : 1815°C - 1743°C

Technological Curves of steel grade C 25

Cross Reference Table (Equivalent Grade) of C 25

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