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NiCr 70 30

Favorite Datasheet

Germany DIN NiCr7030 Heating conductor alloys; technical delivery conditions for round and flat wire and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: NiCr7030 / NiCr 70 30
Category Grade Standard Region/Area Standard Content
Metals NiCr 70 30 DIN 17470 Germany Heating conductor alloys; technical delivery conditions for round and flat wire

Chemical composition(mass fraction)(wt.%) of the NiCr 70 30

Element Min Max Similar
Si 0.5000 2.0000 -
Ni 60.0000 - -
Mn - 1.0000 -
Fe - 5.0000 -
Cu - 0.5000 -
Cr 29.0000 32.0000 -
C - 0.1000 -
Al - 0.3000 -
Ni - - 70.0000
Cr - - 30.0000

Mechanical Properties of steel grade NiCr 70 30

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)
713 (≥) 841 (≥) 31 41 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade NiCr 70 30

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
24 - -     0.24 -  
241 248 - 33.3 231   -  
976 - 32 41.2   433 234

Heat Treatment of steel grade NiCr 70 30

Heat treated : 1632°C - 1574°C

Technological Curves of steel grade NiCr 70 30

Cross Reference Table (Equivalent Grade) of NiCr 70 30

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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