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Grade CuNi44
Germany W-Nr. 2.0842
Corresponding Standard DIN 17471-1983
Resistance Alloys
Classification Copper and Copper Alloys
Density 8.9 g/cm3
CuNi44 Chemical Element Composition Content (%)
Component Mn Ni More
Nominal Value 1 44 Cu:余量
CuNi44 Mechanical Properties
diameter
d
mm		 Tensile Strength
σb
Mpa 		Elongation or Extension Rate
δ
%
d＞2 ≥420①
0.02＜d≤0.063 L0=100：≈12②
0.063＜d≤0.125 L0=100：≈18②
0.125＜d≤0.5 L0=100：≈20②
0.5＜d≤1 L0=100：≥20
d＞1 L0=100③：≥25
Approximate Comparison Table Wrought Cupronickel
China Japan United States International Organization for Standardization Germany France Russia
GB ISC JIS ASTM UNS ISO Numerical Grade DIN EN/DIN W-Nr. NF EN/NF GOST
BMn43-0.5 T71670 C7215
C72150 		56Cu-44Ni C72150 CuNi44Mn1 C72150 CuNi44Mn1 C72150
2.0842 		CuNi44Mn1
C72150 		МНМц43-0.5
CuNi44 Corresponding Standards(Same grade name, different standards)
1 DIN 17471-1983
CuNi44 2.0842
2 DIN 17664-1983
(CuNi44) CuNi44Mn1 2.0842
3 JB /T 6454-2008
CuNi44 NC050

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