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Grade CuZn40Mn1Pb1
European Standard Steel Grade CW720R
Corresponding Standard EN 12166-1998
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
diameter③
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≤8 CuZn40Mn1Pb1-R430 R430 430~530 ≥10(A100)，
≥12(A11.3)，
1.5≤d≤8 CuZn40Mn1Pb1-H115 H115 HV: 115~145
1.5≤d≤8 CuZn40Mn1Pb1-R500 R500 500~600 ≥5(A100)，
≥7(A11.3)，
1.5≤d≤8 CuZn40Mn1Pb1-H145 H145 HV: 145~175
1.5≤d≤8 CuZn40Mn1Pb1-R570 R570 ≥570
1.5≤d≤8 CuZn40Mn1Pb1-H170 H170 HV: ≥170
All specifications CuZn40Mn1Pb1-M M No specification No specification No specification No specification
①Material condition designation: H-Hardness (Brinell or Vickers), the suffix number indicates the hardness value; R-Tensile strength, the suffix number indicates the minimum tensile strength; M-As manufactured, without specified mechanical properties
②A100, A11.3, A-gauge length
③Or equivalent cross-sectional area for polygonal wire.
Approximate Comparison Table Copper and Copper Alloy
Germany European Standard
DIN EN/DIN W-Nr. EN Numerical Grade
CuZn40Mn1Pb 2.0580 CuZn40Mn1Pb1 CW720R
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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