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17 MnNi 4

Germany DIN 17MnNi4 Round Wire Rod for Welding Filler Metals; Technical Conditions of Delivery and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 17MnNi4 / 17 MnNi 4
Category Grade Standard Region/Area Standard Content
Metals 17 MnNi 4 DIN 17145 Germany Round Wire Rod for Welding Filler Metals; Technical Conditions of Delivery

Chemical composition(mass fraction)(wt.%) of the 17 MnNi 4

Element Min Max Similar
Si 0.1000 0.3500 -
S - 0.0250 -
P - 0.0250 -
Ni 0.6500 0.9000 -
Mn 0.8000 1.2000 -
Cu - 0.2000 -
Cr - 0.2000 -
C 0.1400 0.2500 -
Al - 0.0300 -

Mechanical Properties of steel grade 17 MnNi 4

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)
953 (≥) 731 (≥) 33 14 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade 17 MnNi 4

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
31 - -     0.42 -  
512 948 - 32.3 134   -  
368 - 41 34.2   314 234

Heat Treatment of steel grade 17 MnNi 4

Heat treated : 1613°C - 1836°C

Technological Curves of steel grade 17 MnNi 4

Cross Reference Table (Equivalent Grade) of 17 MnNi 4

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