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NiCr 30 20

Germany DIN NiCr3020 Heating conductor alloys; technical delivery conditions for round and flat wire and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: NiCr3020 / NiCr 30 20
Category Grade Standard Region/Area Standard Content
Metals NiCr 30 20 DIN 17470 Germany Heating conductor alloys; technical delivery conditions for round and flat wire

Chemical composition(mass fraction)(wt.%) of the NiCr 30 20

Element Min Max Similar

Mechanical Properties of steel grade NiCr 30 20

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)
647 (≥) 594 (≥) 12 23 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade NiCr 30 20

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 - -     0.43 -  
281 551 - 31.3 133   -  
288 - 21 14.2   224 221

Heat Treatment of steel grade NiCr 30 20

Heat treated : 1129°C - 1897°C

Technological Curves of steel grade NiCr 30 20

Cross Reference Table (Equivalent Grade) of NiCr 30 20

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