NiCr 70 30 2.4658 - DIN 17470-1984

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 σ_b 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 High-Resistance Electric Heating Alloy

NiCr7030 Corresponding Standards(Same grade name, different standards)

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