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Germany SEW NiMn20-6 Iron alloys with special thermal extension and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: NiMn20-6 / NiMn20-6
Category Grade Standard Region/Area Standard Content
Metals NiMn20-6 SEW 385 Germany Iron alloys with special thermal extension

Chemical composition(mass fraction)(wt.%) of the NiMn20-6

Element Min Max Similar
Si - 1.0000 -
Ni 19.0000 21.0000 -
Mn 6.0000 7.0000 -
Fe - - -
C - 0.2000 -

Mechanical Properties of steel grade NiMn20-6

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)
446 (≥) 518 (≥) 21 21 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade NiMn20-6

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 - -     0.21 -  
683 542 - 32.3 141   -  
269 - 11 24.2   321 112

Heat Treatment of steel grade NiMn20-6

Heat treated : 1123°C - 1137°C

Technological Curves of steel grade NiMn20-6

Cross Reference Table (Equivalent Grade) of NiMn20-6

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