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X 5 CrNiMo 17 12 2 E

Germany DIN X5CrNiMo17122E 耐蚀钢紧固件的机械特性-第3部分:不受拉应力的止动螺钉和类似的紧固件 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals X 5 CrNiMo 17 12 2 E DIN EN ISO 3506-3 Germany 耐蚀钢紧固件的机械特性-第3部分:不受拉应力的止动螺钉和类似的紧固件

Chemical composition(mass fraction)(wt.%) of the X 5 CrNiMo 17 12 2 E

Element Min Max Similar
Ni 10.5000 13.5000 -
Mo 2.0000 2.5000 -
Cr 16.5000 18.5000 -
P - 0.0300 -
S - 0.0450 -
Mn - 2.0000 -
Si - 1.0000 -
C - 0.0700 -
Ni 10.5000 13.5000 -
Mo 2.0000 2.5000 -
Cr 16.5000 18.5000 -
S - 0.0300 -
P - 0.0450 -
Mn - 2.0000 -
Si - 1.0000 -
C - 0.0700 -

Mechanical Properties of steel grade X 5 CrNiMo 17 12 2 E

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)
746 (≥) 649 (≥) 11 43 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade X 5 CrNiMo 17 12 2 E

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
14 - -     0.22 -  
361 822 - 12.3 241   -  
576 - 24 14.2   111 444

Heat Treatment of steel grade X 5 CrNiMo 17 12 2 E

Heat treated : 1615°C - 1472°C

Technological Curves of steel grade X 5 CrNiMo 17 12 2 E

Cross Reference Table (Equivalent Grade) of X 5 CrNiMo 17 12 2 E

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