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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.

COMPLEX COPPER-ZINC ALLOYS Usage Data
BS EN Compositional   Type Availibility
DesignationNumberHistoric BS EquivalentCommon
British Description
RemarksTubeRodProfilesWireForgingPlate
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. ✔  ✔    ✔     

 

COPPER-NICKEL-ZINC ALLOYS Usage Data

BS EN Compositional   Type Availibility
DesignationNumberHistoric BS EquivalentCommon
British Description
RemarksTubeRodProfilesWireForgingPlate
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.            ✔