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Brass - Basic Copper Zinc & Lead Alloys

On this page is a table of Brass - Basic Copper Zinc & Lead 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 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.

Binary Copper-Zinc Alloys Usage Data
BS EN Compositional   Type Availibility
DesignationNumberHistoric BS EquivalentCommon
British Description		RemarksTubeRodProfilesWireForgingPlate
Sheet		Strip
CuZn0,5 CW119C N/A N/A Used for radiator fin strip and for building purposes.              ✔
CuZn5 CW500L CZ125 Cap copper Industrial use practically confined to caps for ammunition. ✔  ✔         ✔ ✔
CuZn10 CW501L CZ101 Gilding metal Good corrosion resistance. Used for architectural metalwork and costume jewellery. Can be brazed and enamelled. ✔ ✔     ✔    ✔ ✔
CuZn15 CW502L CZ102 Gilding metal As above. This alloy is used for condenser cooling units, gauges and instrument tubes. ✔ ✔    ✔     ✔ ✔
CuZn20 CW503L CZ103 Ductile Brass As above. This alloy has good deep drawing properties. ✔ ✔    ✔     ✔ ✔
CuZn28 CW504L  N/A  N/A Suitable for cold deformation.   ✔           
CuZn30 CW505L CZ106 70/30 brass (cartridge brass) In sheet form known as deep drawing brass. As wire, suitable for severe cold deformation. ✔ ✔    ✔     ✔ ✔
CuZn33 CW506L N/A N/A  A good cold working brass.    ✔         ✔ ✔
CuZn36 CW507L N/A  N/A General purpose alloy suitable for simple forming.  ✔ ✔  ✔  ✔     ✔ ✔
CuZn37 CW508L CZ108  Common brass  General purpose alloy suitable for simple forming.  ✔ ✔  ✔  ✔  ✔   ✔ ✔
CuZn40 CW509L CZ103 N/A   Good for hot working. Limited ductility at room temperature. ✔ ✔  ✔    ✔   ✔ ✔

 

Copper-Zinc-Lead Alloys Usage Data
BS EN Compositional   Type Availibility
DesignationNumberHistoric BS EquivalentCommon
British Description		RemarksTubeRodProfilesWireForgingPlate
Sheet		Strip
CuZn35Pb1 CW600N N/A N/A Machinable and has good workability. ✔  ✔  ✔  ✔     ✔ ✔
CuZn35Pb2 CW601N  N/A N/A  Machinable and has good workability. Used for riveting. ✔  ✔   ✔  ✔      
CuZn36Pb2As   CW602N CZ132   Dezincification resistant brass Good hot ductility. Heat treated to give dezincification resistance.  ✔ ✔  ✔    ✔    
CuZn36Pb3  CW603N  CZ124  Free cutting brass  Excellent machinability but very limited cold workability. ✔ ✔ ✔  ✔      
CuZn37Pb0,5   CW604N  N/A N/A  Machinable and has some cold workability.  ✔         ✔ ✔
 CuZn37Pb1  CW605N N/A  N/A   Machinable and has good to very good cold workability.  ✔  ✔          
CuZn37Pb2   CW606N  CZ119/131  Free cutting brass with improved ductility Good machinability, some cold workability. Used for cold heading and riveting.     ✔ ✔  ✔    ✔ ✔
CuZn38Pb1  CW607N   CZ129 N/A  Machinable and has good to very good cold workability  ✔  ✔ ✔         
CuZn38Pb2   CW608N  CZ120  Engraving Brass Good machinability, sufficient ductility for some cold work. ✔ ✔  ✔ ✔ ✔  ✔ ✔
 CuZn38Pb4 CW609N   CZ121Pb4  High speed machining brass  Extra high machining speeds but very limited cold workability. Also used for hot stamping.   ✔  ✔ ✔      
 CuZn39Pb0,5 CW610N  CZ137  N/A   Machinable and has some workability.    ✔ ✔ ✔  ✔ ✔ ✔
 CuZn39Pb1 CW611N   CZ129 Free cutting 60/40 brass k nown as bending brass Commonly used for hot stamping. Machinable and good workability with fine dispersion of lead particles.
 		   ✔  ✔   ✔     
CuZn39Pb2 CW612N CZ120/128 Free cutting brass with improved ductility Good machinability, some cold workability but lower than that of CZ131.   ✔ ✔ ✔  ✔ ✔ ✔
CuZn39Pb2Sn  CW613N  N/A N/A  Similar to CZ128 but with higher permitted impurity level. Unsuitable for machining at highest speeds.    ✔  ✔    ✔    
CuZn39Pb3  CW614N  CZ121Pb3  High speed machining brass  Excellent machinability, very limited cold workability. Also used for hot stamping.  ✔   ✔ ✔ ✔  ✔    
CuZn39Pb3Sn CW615N  N/A   N/A   Similar to CZ121Pb3 but with higher permitted impurity level. Unsuitable for machining at highest speeds.          ✔     
CuZn40Pb1Al CW616N      Forging brass. The aluminium gives an attractive colour and eases extraction from the dies.          ✔    
CuZn40Pb2  CW617N   CZ122 Stamping Brass  Most popular alloy for hot stamping. Excellent machinability but very limited cold ductility compared with alloys also containing 2%Pb but with higher copper content.  ✔  ✔  ✔ ✔ ✔     
CuZn40Pb2Al  CW618N    Brass for architectural sections  Good bright yellow colour for architectural profiles. The higher the zinc content the more complex the profiles achievable.      ✔        
CuZn40Pb2Sn  CW619N      Similar to CZ122 but with higher permitted impurity level. Unsuitable for machining at highest speeds.    ✔  ✔    ✔    
CuZn41Pb1Al   CW620N      Production of complex profiles by hot extrusion.      ✔        
CuZn42PbAl   CW621N     Production of complex profiles by hot extrusion.      ✔        
 CuZn43Pb1Al  CW622N      Production of complex profiles by hot extrusion.     ✔        
CuZn43Pb2 CW623N  CZ130    Production of complex profiles by hot extrusion. Aluminium free.
(The British Standard CZ130 covers aluminium contents from 0 to 0.5%) 		     ✔        
CuZn43Pb2Al CW624N CZ130   Good bright yellow colour for architectural profiles. The higher the zinc content the more complex the profiles achievable.      ✔        

 

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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.            ✔ ✔

 

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Basic Conversion Factors for Force / Pressure / Torque / Volume / Mass / Power / Length / Temperature

The table's below lists unit conversion for Force, Pressure, Torque, Volume, Mass, Power, Length & Temperature (cm to feet, nm to ft lb, mm to inches)

Force (energy of movement) conversion reference table.

This table displays the conversion factors for Newtons (N) into Pounds-force (lbf) or Kilograms-force (Kgf).

Pounds-force (lbf, lb) x
4.448		 = Newtons (N) x
0.225		 = Pounds-force (lbf, lb)
Kilograms-force (kgf,kg) x
9.81		 = Newtons (N) x
0.1		 = Kilograms-force (kgf,kg)

Pressure (physical force exerted)  conversion reference table.

Pounds-force per sq inch (psi, lbf/in², lb/in²) x
0.070		 = Kilograms-force per sq centimetre (kgf/cm²; kg/cm²) x
14.223		 = Pounds-force per sq inch (psi, lbf/in², lb/in²)
Pounds-force per sq inch (psi, lbf/in², lb/in²) x
68.947		 = Millibar (mbar) x
0.0145		 = Pounds-force per sq inch (psi, lbf/in², lb/in²)
Pounds-force per sq inch (psi, lbf/in², lb/in²) x
0.069		 = Bars x
14.5		 = Pounds-force per sq inch (psi, lbf/in², lb/in²)
Pounds-force per sq inch (psi, lbf/in², lb/in²) x
0.068		 = Atomspheres (atm) x
14.696		 = Pounds-force per sq inch (psi, lbf/in², lb/in²)
Pounds-force per sq inch (psi, lbf/in², lb/in²) x
6.895		 = Kilopascals (kPa) x
0.145		 = Pounds-force per sq inch (psi, lbf/in², lb/in²)
Pounds-force per sq inch (psi, lbf/in², lb/in²) x
27.68		 = Inches of water (inH2O) x
0.036		 = Pounds-force per sq inch (psi, lbf/in², lb/in²)

Torque conversion factors (moment of force about a pivot) reference table.

Pounds-force inches (lbf in, lb in) x
1.152		 = Kilograms-force centimetre (kgf cm; kg cm) x
0.868		 = Pounds-force inches (lbf in, lb in)
Pounds-force inches (lbf in, lb in) x
0.113		 = Newton metres (Nm) x
8.85		 = Pounds-force inches (lbf in, lb in)
Pounds-force inches (lbf in, lb in) x
0.083		 = Pounds-force feet (lbf ft; lb ft) x
12		 = Pounds-force inches (lbf in, lb in)
Pounds-force feet (lbf ft, lb ft) x
0.138		 = Kilograms-force metres (lgf m; kg m) x
7.233		 = Pounds-force feet (lbf ft, lb ft)
Kilograms-force metres (lgf m; kg m) x
9.804		 = Newton metres (Nm) x
0.102		 = Kilograms-force metres (lgf m; kg m)
Newton metres (Nm) x
0.738		 = Pounds-force feet (lbf ft, lb ft) x
1.356		 = Newton metres (Nm)

Volume (capacity) conversion reference table. (Appearing soon)

Cubic inches (cu in; in³) x
16.387		 = Cubic centimetres (cc; cm³) x
0.061		 = Cubic inches (cu in; in³)
Imperial pints (imp pt) x
0.568		 = Litres (l) x
1.76		 = Imperial pints (imp pt)
Imperial gallons (imp gal) x
4.546		 = Litres (l) x
0.22		 = Imperial gallons (imp gal)

Mass (weight) conversion reference table.

Ounces (oz) x
28.35		 = Grams (g) x
0.035		 = Ounces (oz)
Ounces (oz) x
0.0625		 = Tenths of Pounds (lb) x
16		 = Ounces (oz)
Pounds (lb) x
0.454		 = Kilograms (kg) x
2.205		 = Pounds (lb)

Power (hp & watts) conversion reference table.

Horsepower (hp) x
745.7		 = Watts (W) x
0.0013		 = Horsepower (hp)

Length (distance) conversion reference table.

Inches (in) x
25.4		 = Millimetres (mm) x
0.0394		 = Inches (in)
Feet (ft) x
0.305		 = Metres (m) x
3.281		 = Feet (ft)
Feet (ft) x
30.5		 = Centimetres (cm) x
0.03281		 = Feet (ft)

Temperature (Fahrenheit or Celsius) conversion reference table.

Degrees Fahrenheit (°F) x
(°F - 32) x 0.56		 = Degrees Centigrade (°C) x
(°C x 1.8) +32		 = Degrees Fahrenheit (°F)
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Conversion from (Gauge to Inch/MM) Sheet Steel Thickness Data Table  

Data table of Sheet Steel Gauge Thickness specifications, the thickness data comes from many references and is accumulated here.

The Table below is as good a reference as to converting from Gauge to Inch to mm.

It lists two of the following standards

BWG - Birmingham Wire Gauge for Iron & Steel Wire
USG - US Standard Gauge for Stainless Steel

Different materials such as stainless steel & aluminium may vary slightly on their dimensions, but the data should be accurate for most everyday purposes with a slight tolerance but to the temperature of the day.

GAUGE SHEET STEEL THICKNESS CONVERSION DATA TABLE to INCH/MM
 B.W.GU.S.G
Gauge No.InchmmInchmm
6 .203 5.156 .2031 5.16
7 .180 4.572 .1875 4.76
8 .165 4.191 .1719 4.37
9 .148 3.759 .1563 3.97
10 .134 3.404 .1406 3.57
11 .120 3.048 .1250 3.18
12 .109 2.769 .1094 2.78
13 .095 2.413 .0938 2.38
14 .083 2.108 .0781 1.98
15 .072 1.829 .0703 1.79
16 .065 1.651 .0625 1.59
17 .058 1.473 .0563 1.43
18 .049 1.245 .0500 1.27
19 .042 1.067 .0438 1.11
20 .035 .889 .0375 .953
21 .032 .813 .0344 .873
22 .028 .711 .0313 .794
23 .025 .635 .0281 .714
24 .022 .559 .0250 .635
25 .020 .508 .0219 .556
26 .018 .457 .0188 .478
27 .016 .406 .0172 .437
28 .014 .356 .0156 .396
29 .013 .330 .0141 .358
30 .012 .305 .0125 .318
31 .010 .254 .0109 .277
32 .009 .229 .0102 .259
33 .008 .203 .0094 .239
34 .007 .178 .0086 .218
35 .005 .127 .0078 .198
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Inches (in) in Fractions / Decimal conversion to Millimetres (mm) table or decimal inches (in) to mm

The table below lists 0 to 1inches in 1/64 inch Fractions converted into 1/1000th of inch in Decimal then converted in MM.

Decimal Inches to millimetres (mm) quick conversion reference table.

Inches (in)

MM

Fractions

Decimal

Metric
1/64 0.01563 0.3969
1/32 or 2/64 0.03125 0.7937
3/64 0.04688 1.1906
1/16 or 4/64 0.06250 1.5875
5/64 0.07813 1.9844
3/32 or 6/64 0.09375 2.3812
7/64 0.10938 2.7781
1/8 or 8/64 0.12500 3.1750
9/64 0.14063 3.5719
5/32 or 10/64 0.15625 3.9688
11/64 0.17188 4.3656
3/16 or 12/64 0.18750 4.7625
13/64 0.20313 5.1594
7/32 or 14/64 0.21875 5.5562
15/64 0.23438 5.9531
1/4 or 16/64 0.25000 6.3500
17/64 0.26563 6.7469
9/32 or 18/64 0.28125 7.1437
19/64 0.29688 7.5406
5/16 or 20/64 0.31250 7.9375
21/64 0.32813 8.3344
11/32 or 22/64 0.34375 8.7312
23/64 0.35938 9.1281
3/8 or 24/64 0.37500 9.5250
25/64 0.39063 9.9219
13/32 or 26/64 0.40625 10.3187
27/64 0.42188 10.7156
7/16 or 28/64 0.43750 11.1125
29/64 0.45313 11.5094
15/32 or 30/64 0.46875 11.9063
31/64 0.48438 12.3031
1/2 or 32/64 0.50000 12.7000
33/64 0.51563 13.0969
17/32 or 34/64 0.53125 13.4937
35/64 0.54688 13.8906
9/16 or 36/64 0.56250 14.2875
37/64 0.57813 14.6844
19/32 or 38/64 0.59375 15.0812
39/64 0.60938 15.4781
5/8 or 40/64 0.62500 15.8750
41/64 0.64063 16.2719
21/32 or 42/64 0.65625 16.6687
43/64 0.67188 17.0656
11/16 or 44/64 0.68750 17.4625
45/64 0.70313 17.8594
23/32 or 46/64 0.71875 18.2562
47/64 0.73438 18.6531
3/4 or 48/64 0.75000 19.0500
49/64 0.76563 19.4469
25/32 or 50/64 0.78125 19.8438
51/64 0.79688 20.2406
13/16 or 52/64 0.81250 20.6375
53/64 0.82813 21.0344 
27/32 or 54/64 0.84375 21.4312
55/64 0.85938 21.8281
7/8 or 56/64 0.87500 22.2250 
57/64 0.89063 22.6219
29/32 or 58/64 0.90625 23.0187
59/64 0.92188 23.4156
15/16 or 60/64 0.93750 23.8125
61/64 0.95313 24.2094
31/32 or 62/64 0.96875 24.6062
63/64 0.98438 25.0031
1" or 64/64 1.00000 25.4000
  1. Data Conversion Inches to Decimal to Centimetres
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  3. Engineering Data Table