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Italy UNI C30 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: C30 / C 30
Category Grade Standard Region/Area Standard Content
Metals C 30 UNI EN 10083-2 Italy 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 30

Element Min Max Similar
Si 0.1500 0.4000 -
S - 0.0350 -
P - 0.0350 -
Mn 0.5000 0.8000 -
C 0.2700 0.3400 -
Si 0.1500 0.4000 -
S - 0.0350 -
P - 0.0350 -
Mn 0.5000 0.8000 -
C 0.2700 0.3400 -
Si 0.1200 0.4200 -
S - 0.0400 -
P - 0.0400 -
Mn 0.4500 0.8500 -
C 0.2500 0.3500 -
Si - 0.4000 -
S - 0.0450 -
P - 0.0450 -
Ni - 0.4000 -
Mo - 0.1000 -
Mn 0.5000 0.8000 -
Cr+Mo+Ni - 0.6300 -
Cr - 0.4000 -
C 0.2700 0.3400 -
Si - 0.3500 -
S - 0.0200 -
P - 0.0200 -
Mn 0.4000 0.6500 -
C 0.2800 0.3300 -
Si 0.1500 0.3500 -
S - 0.0350 -
P - 0.0350 -
Mn 0.5000 0.8000 -
C 0.2700 0.3400 -
Si - 0.4000 -
S - 0.0450 -
P - 0.0450 -
Ni - 0.4000 -
Mo - 0.1000 -
Mn 0.5000 0.8000 -
Cr+Mo+Ni - 0.6300 -
Cr - 0.4000 -
C 0.2700 0.3400 -

Mechanical Properties of steel grade C 30

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)
657 (≥) 771 (≥) 11 11 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade C 30

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
24 - -     0.22 -  
684 345 - 22.3 231   -  
514 - 23 43.2   423 423

Heat Treatment of steel grade C 30

Heat treated : 1379°C - 1853°C

Technological Curves of steel grade C 30

Cross Reference Table (Equivalent Grade) of C 30

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