CuZn40Mn2Fe1 ( CW723R )
| Grade : | CuZn40Mn2Fe1 |
| Number: | CW723R |
| Classification: | Complex copper-zinc alloy |
| Density | 8.3 g/cm ³ |
| Standard: | EN 12163: 1998 Copper and copper alloys. Rod for general purposes EN 12167: 1998 Copper and copper alloys. Profiles and rectangular bar for general purposes EN 12165: 1998 Copper and copper alloys. Wrought and unwrought forging stock EN 12449: 1999 Copper and copper alloys. Seamless, round tubes for general purposes EN 12420: 1999 Copper and copper alloys. Forgings |
| Equivalent grades: | Go here |
Chemical composition % of grade CuZn40Mn2Fe1 ( CW723R )
| Fe | Si | Mn | Ni | Al | Cu | Pb | Sn | Others | - |
| 0.5 - 1.5 | max 0.1 | 1 - 2 | max 0.6 | max 0.1 | 56.5 - 58.5 | max 0.5 | max 0.3 | total 0.4 | Zn - remainder |
Mechanical properties of grade CuZn40Mn2Fe1 ( CW723R )
| Rm - Tensile strength (MPa) (R460) | 460 |
| Rm - Tensile strength (MPa) (R540) | 540 |
| Rp0.2 0.2% proof strength (MPa) (R460) | 270 |
| Rp0.2 0.2% proof strength (MPa) (R540) | 320 |
| A - Min. elongation at fracture (%) (R460) | 20 |
| A - Min. elongation at fracture (%) (R540) | 8 |
| Brinell hardness (HB): (H110)(R460) | 110 - 140 |
| Brinell hardness (HB): (H150)(R540) | 150 |
Equivalent grades of grade CuZn40Mn2Fe1 ( CW723R )
Warning! Only for reference
| EU EN |
Germany DIN,WNr |
England BS |
Poland PN |
Czechia CSN |
Russia GOST |
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Casting process
| GS | Sand casting |
| GM | Permanent mould casting |
| GZ | Centrifugal casting |
| GC | Continuous casting |
| GP | Pressure die casting |
Material conditions
| R | Material condition designated by the minimum value of tensile strength requirement for the product with mandatory tensile strength and elongation requirements |
| H | Material condition designated by the minimum value of hardness requirement for the product with mandatory hardness requirements |
Mechanical properties
| ReH | Minimum yield strength / Mindestwert der oberen Streckgrenze / Limite d elasticite minimale |
| Rm | Tensile strength / Zugfestigkeit / Resistance a la traction |
| A | Minimum elongation / Mindestwert der Bruchdehnung / Allongement minimal |
| J | Notch impact test / Kerbschlagbiegeversuch / Essai de flexion par choc |
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CuZn40Mn2Fe1 ( CW723R ) Complex copper-zinc alloy |
