Brass - Complex Copper Nickel Zinc Alloys
On this page is a table of Brass - Complex Copper Nickel Zinc Alloys specifications, its data comes from many references and is accumulated here.
The Table below is as good a reference as to what brass can be found in various products and will provide a valuable guide as to the type of metals that are contained within various Copper alloys.
It lists BS, European, CEN & ISO identification, listing Common British Description, a brief remark on use & its availability.
| BS EN Compositional | Type Availibility | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Designation | Number | Historic BS Equivalent | Common British Description | Remarks | Tube | Rod | Profiles | Wire | Forging | Plate Sheet | Strip |
| CuZn13Al1Ni1Si1 | CW700R | N/A | N/A | Special tubes. | ✔ | ||||||
| CuZn19Sn | CW701R | N/A | 205 Brass | Good corrosion resistance and hardness. Used for scouring pads. | ✔ | ||||||
| CuZn20Al2A | CW702R | CZ110 | Aluminium Brass | Excellent corrosion resistance in clean seawater and is a favoured alloy for condenser tubes. | ✔ | ✔ | ✔ | ||||
| CuZn23Al3C | CW703R | N/A | N/A | Used for springs and connectors. | ✔ | ||||||
| CuZn23Al6Mn4Fe3Pb | CW704R | N/A | N/A | ✔ | ✔ | ||||||
| CuZn25Al5Fe2Mn2Pb | CW705R | CZ116 | High tensile brass | High strength and good corrosion resistance. | ✔ | ✔ | |||||
| CuZn31Si1 | CW708R | N/A | N/A | General purpose alloy produced as rod and tube. | ✔ | ||||||
| CuZn32Pb2AsFeSi | CW709R | N/A | N/A | Dezincification resistant brass of Swedish origin. | ✔ | ✔ | |||||
| CuZn35Ni3Mn2AlPb | CW710R | N/A | N/A | ✔ | ✔ | ✔ | ✔ | ||||
| CuZn36Pb2Sn1 | CW711R | CZ134 | Leaded naval brass | Tin addition improves corrosion resistance especially in sea water. Lead improves machinability. | ✔ | ||||||
| CuZn38Sn1Pb | CW712R | CZ112 | Leaded naval brass | Tin addition improves corrosion resistance especially in sea water. Lead improves machinability. | ✔ | ✔ | ✔ | ✔ | |||
| CuZn37Mn3Al2PbSi | CW713R | CZ135 | High tensile brass with silicon | Silicon addition gives extra wear and galling resistance to suit applications such as gear box components. | ✔ | ✔ | ✔ | ✔ | |||
| CuZn37Pb1Sn1 | CW714R | N/A | N/A | ✔ | ✔ | ✔ | ✔ | ||||
| CuZn38AlFeNiPbSn | CW715R | N/A | N/A | ✔ | |||||||
| CuZn38Mn1Al | CW716R | N/A | N/A | ✔ | |||||||
| CuZn39Mn1AlPbSi | CW718R | N/A | N/A | Silicon and manganese additions give good wear resistance for gear box components and bearings. | ✔ | ✔ | ✔ | ✔ | |||
| CuZn39Sn1 | CW719R | CZ133 | Naval brass | Tin addition improves corrosion resistance especially in sea water. | ✔ | ✔ | ✔ | ✔ | |||
| CuZn40Mn1Pb1 | CW720R | CZ136 | Manganese containing brass | Excellent resistance to seizure. Used in contact with cast iron. Used for architectural profiles. Attractive chocolate brown oxide. | ✔ | ✔ | ✔ | ✔ | |||
| CuZn40Mn1Pb1AlFeSn | CW721R | CZ114 | High tensile brass | General purpose high strength alloy. | ✔ | ✔ | ✔ | ||||
| CuZn40Mn1Pb1FeSn | CW722R | CZ115 | High tensile brass | Aluminium free, used where components are to be joined by soldering or brazing. | ✔ | ✔ | ✔ | ||||
| CuZn40Mn2Fe1 | CW723R | N/A | N/A | General purpose high strength alloy. | ✔ | ✔ | ✔ | ✔ | |||
| BS EN Compositional | Type Availibility | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Designation | Number | Historic BS Equivalent | Common British Description | Remarks | Tube | Rod | Profiles | Wire | Forging | Plate Sheet | Strip |
| CuNi7Zn39Pb3Mn2 | CW400J | N/A | N/A | ✔ | ✔ | ✔ | |||||
| CuNi10Zn27 | CW401J | NS103 | 10% nickel silver | ✔ | ✔ | ✔ | |||||
| CuNi10Zn42Pb2 | CW402J | NS101 | Leaded 10% nickel brass | ✔ | ✔ | ✔ | |||||
| CuNi12Zn24 | CW403J | NS104 | 12% nickel silver | Good spring properties. | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | |
| CuNi12Zn25Pb1 | CW404J | N/A | N/A | Lead addition improves machinability. | ✔ | ✔ | |||||
| CuNi12Zn29 | CW405J | N/A | N/A | This alloy contains no lead and is only available as strip. | ✔ | ||||||
| CuNi12Zn30Pb1 | CW406J | N/A | N/A | This alloy is also used for extrusions. | ✔ | ✔ | |||||
| CuNi12Zn38Mn5Pb2 | CW407J | N/A | N/A | ✔ | |||||||
| CuNi18Zn19Pb1 | CW408J | NS113 | N/A | ✔ | ✔ | ||||||
| CuNi18Zn20 | CW409J | NS106 | 18% nickel silver | The whitest of the nickel silvers with optimum corrosion resistance. | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | |
| CuNi18Zn27 | CW410J | N/A | N/A | This alloy contains no lead and is only available as strip. | ✔ | ✔ | |||||