European Union · EN
CW721R
EN 12165:2011 — EN 12165
Chemical composition
wt% · log scale- min – max range
- typical value
Mechanical properties
value range by conditionChemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| Al | 0.3 | 1.3 | ||
| Cu | 57 | 59 | ||
| Fe | 0.2 | 1.2 | ||
| Mn | 0.8 | 1.8 | ||
| Ni | 0.3 | |||
| Pb | 0.8 | 1.6 | ||
| Sn | 0.2 | 1 | ||
| Total Others | 0.3 | |||
| Zn | Bal |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| Forging stock, H120, > 8 < 80 mm | HB 120–180 |
Physical properties
| Elastic modulus | Mean thermal expansion | Thermal conductivity | Specific heat | Resistivity | Density | Poisson's ratio |
|---|---|---|---|---|---|---|
| 8.30 |
Similar grades
| Grade | Region | System |
|---|---|---|
| CW721R |  Italy | UNI |
| CW721R |  Spain | UNE |
| CuZn40Mn1Pb1AlFeSn | Spain | UNE |
| CW721R |  Sweden | SS |
| CW721R |  Switzerland | SNV |
| CuZn40Mn1Pb1AlFeSn | Switzerland | SNV |
| CW721R |  Finland | SFS |
| CuZn40Mn1Pb1AlFeSn | Finland | SFS |
| CW721R |  Poland | PN |
| CuZn40Mn1Pb1AlFeSn | Poland | PN |
| CW721R |  Austria | ONORM |
| CuZn40Mn1Pb1AlFeSn | Austria | ONORM |
| CW721R |  Norway | NS |
| CuZn40Mn1Pb1AlFeSn | Norway | NS |
| CW721R |  Belgium | NBN |
| CuZn40Mn1Pb1AlFeSn | Belgium | NBN |
| CW721R |  Hungary | MSZ |
| CuZn40Mn1Pb1AlFeSn | Hungary | MSZ |
| CW721R |  Germany | DIN |
| CW721R | Czech Republic | CSN |
| CuZn40Mn1Pb1AlFeSn | Czech Republic | CSN |
| CW721R |  United Kingdom | B.S. |
| CW721R | Bulgaria | BDS |
| CuZn40Mn1Pb1AlFeSn | Bulgaria | BDS |
| CW721R |  Romania | ASRO |
| CuZn40Mn1Pb1AlFeSn | Romania | ASRO |
| CW721R |  France | AFNOR NF |
| CuZn40Mn1Pb1AlFeSn | France | AFNOR NF |
| CuZn40Mn1Pb1AlFeSn | Italy | UNI |
| CuZn40Mn1Pb1AlFeSn | United Kingdom | B.S. |
| CuZn40Mn1Pb1AlFeSn | Sweden | SS |
| CuZn40Mn1Pb1AlFeSn | Germany | DIN |