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CuZn40Mn1Pb1 | CW720R Material Datasheet

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Material Description

Material Number Material Number (single) Standard Scope Standard Status Country Predecessor VDA 231-106 classification
CW720R (DIN EN 12164 : 2024-12) CW720R DIN EN 12164 : 2024-12 Supersedes DIN EN 12164 : 2016-11 Valid Germany CuZn40Mn1Pb1 3.2 1)
1) Remark: Copper alloy rod for free machining purposes.

Chemical Composition

Al [%] Cu [%] Fe [%] Mn [%] Ni [%] Pb [%] Si [%] Sn [%]
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Mechanical Properties

Semi-finished Product Strength Abbrevation Nominal Size [mm] Temperature [°C] Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Elongation A11,3 [%] Elongation A [%] Hardness HB | HBW
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Physical Properties

Temperature [°C] Density [g/cm³] Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1]
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Cross Reference

Material Name Country Standard
CuZn40Mn1Pb1 Europe EN 12164
SoMs58Pb Germany 1)
CuZn40Mn1Pb Germany DIN 17660 2)
2.0580 Germany DIN 17660 2)
1) Source: Deutsches Kupferinstitut Berufsverband e.V., Düsseldorf
2) Source: DIN CEN/TS 13388 (DIN SPEC 9700)

Producer/Supplier/Trade names

Tradename Supplier
451 Diehl Metall Stiftung & Co. KG, Röthenbach
2201 OTTO FUCHS KG, Meinerzhagen
So Ms A Le Bronze alloys Germany GmbH, Lüdenscheid
3820 VDM Metals GmbH, Frankfurt/Main
Aeterna DBF VDM Metals GmbH, Frankfurt/Main
CuZn40Mn1Pb Wieland Metal Services Germany GmbH, Düsseldorf
CuZn40Mn1Pb Wieland Metal Services Germany GmbH, Düsseldorf