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Grade CuNi7Zn39Pb3Mn2
European Standard Steel Grade CW400J
Corresponding Standard EN 12166-2016
Copper and copper alloys - Wire for general purposes
Classification Copper and Copper Alloys
Density 8.5 g/cm3
CuNi7Zn39Pb3Mn2 Chemical Element Composition Content (%)
Component Fe Mn Ni Cu Pb Sn Other Total More
Minimum Value - 1.5 6 47 2.3 - - Zn:余量
Maximum Value 0.3 3 8 50 3.3 0.2 0.2
"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.
CuNi7Zn39Pb3Mn2 Mechanical Properties
diameter*
d
mm		 Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
1.5<d≤12 CuNi7Zn39Pb3Mn2-H115 H115 HV
≥115
1.5<d≤12 CuNi7Zn39Pb3Mn2-H130 H130 130~170
1.5<d≤12 CuNi7Zn39Pb3Mn2-H165 H165 165~200
1.5<d≤5 CuNi7Zn39Pb3Mn2- H190 ≥190
1.5<d≤12 CuNi7Zn39Pb3Mn2-R500 R500 ≥500 ≥350 ≥8(A100)
≥10(A11.3)
≥12(A)
1.5<d≤12 CuNi7Zn39Pb3Mn2-R600 R600 ≥600 ≥400 ≥2(A100)
≥3(A11.3)
≥5(A)
1.5<d≤5 CuNi7Zn39Pb3Mn2-R700 R700 ≥700 ≥500
All specifications CuNi7Zn39Pb3Mn2-M M No specification No specification No specification No specification
CuNi7Zn39Pb3Mn2 Corresponding Standards(Same grade name, different standards)
1 EN 12166-1998
CuNi7Zn39Pb3Mn2 CW400J
2 EN 12166-2016
CuNi7Zn39Pb3Mn2 CW400J
3 DIN EN 12166-2016
CuNi7Zn39Pb3Mn2 CW400J
4 DIN EN 12166-1998
CuNi7Zn39Pb3Mn2 CW400J
5 EN 12167-2024
CuNi7Zn39Pb3Mn2 CW400J

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