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17 MnCrB 5-5

Germany DIN 17MnCrB5-5 Heat treatable alloyed MnCr steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 17MnCrB5-5 / 17 MnCrB 5-5
Category Grade Standard Region/Area Standard Content
Metals 17 MnCrB 5-5 -- Germany Heat treatable alloyed MnCr steel

Chemical composition(mass fraction)(wt.%) of the 17 MnCrB 5-5

Element Min Max Similar
Si - 0.4000 -
S - 0.0350 -
P - 0.0350 -
Mn 1.0000 1.3000 -
Cr 1.0000 1.3000 -
C 0.1300 0.2000 -
B 0.0008 0.0050 -

Mechanical Properties of steel grade 17 MnCrB 5-5

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)
314 (≥) 894 (≥) 32 42 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade 17 MnCrB 5-5

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
41 - -     0.42 -  
928 367 - 11.3 331   -  
978 - 22 31.2   213 234

Heat Treatment of steel grade 17 MnCrB 5-5

Heat treated : 1687°C - 1578°C

Technological Curves of steel grade 17 MnCrB 5-5

Cross Reference Table (Equivalent Grade) of 17 MnCrB 5-5

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