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Grade CuZn40Mn1Pb1
Germany W-Nr. CW720R
Corresponding Standard DIN EN 12166-2016
Copper and copper alloys – Wire for general purposes
Classification Copper and Copper Alloys
Density 8.3 g/cm3
CuZn40Mn1Pb1 Chemical Element Composition Content (%)
Component Fe Si Mn Ni Cu Pb Al Sn Other Total More
Minimum Value - - 0.5 - 57 1 - - - Zn:余量
Maximum Value 0.3 0.1 1.5 0.6 59 2 0.2 0.3 0.3
"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.
CuZn40Mn1Pb1 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≤20 CW720R-H100 H100 HV
100~135
1.5<d≤8 CW720R-H110 H110 110~155
0.5<d≤20 CW720R-R390 R390 ≥390 ≥180 ≥10(A100)；
≥16(A11.3)；
≥20(A)
0.1<d≤8 CW720R-R440 R440 ≥440 ≥250 ≥8(A100)；
≥15(A11.3)
All specifications CW720R-M M No specification No specification No specification No specification
CuZn40Mn1Pb1 Corresponding Standards(Same grade name, different standards)
1 EN 12166-1998
CuZn40Mn1Pb1 CW720R
2 EN 12166-2016
CuZn40Mn1Pb1 CW720R
3 DIN EN 12166-2016
CuZn40Mn1Pb1 CW720R
4 DIN EN 12166-1998
CuZn40Mn1Pb1 CW720R
5 EN 12167-2024
CuZn40Mn1Pb1 CW720R

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