Grade NiCr 70 30
Germany W-Nr. 2.4658
Corresponding Standard DIN 17470-1984
Heating conductor alloys Technical delivery conditions for round and flat wire
Classification Nickel and Nickel Alloys
Density 8.1 g/cm3
NiCr 70 30 Chemical Element Composition Content (%)
Component Cr Ni
Nominal Value 30 70
NiCr 70 30 Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa
Elongation or Extension Rate
δ
%
Wire Softening Annealing ≥650① L0=100mm
0.02≤d≤0.063:
≈8②
0.063<d≤0.125:
≈14②
0.125<d≤0.5:
≈18②
0.5<d≤1: ≥18③
d>1: ≥25③
Approximate Comparison Table
China Germany Russia
GB DIN EN/DIN GOST
Cr30Ni70 NiCr7030 ХН70Ю
NiCr7030 Corresponding Standards(Same grade name, different standards)

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