Product Form Imperial Sizes Metric Sizes From To Round Bar 1⁄ 8" 4 1⁄ 2" 3.0mm - 255.0mm Hexagon Bar 0.248" 3" 5.0mm - 65.0mm Square Bar 1⁄ 4" 3" Flat Bar 3⁄ 8" x 1⁄ 8" 4" x 2"
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CZ121/CW614N corresponds to the following designations
but may not be a direct equivalent:
CW614N Brass EN 12164
Chemical Element % Present
57.00 - 59.00
2.50 - 3.50
0.00 - 0.05
0.00 - 0.30
0.00 - 0.30
0.00 - 0.20
0.00 - 0.30
Bar 6mm to 80mm Dia/5mm to 60mm AF EN 12164
Mechanical Property Value
90 to 160 HB
20 to 5 %
General Physical Properties
Physical Property Value
Modulus of Elasticity
-6 Ω .m
High speed machined components
Nuts, bolts, bushings & bearings
Highest machinability of any copper alloy
Good corrosion resistance
Excellent hot formability
Soldering of CZ121/CW614N is rated as excellent and brazing is good. Butt welding is fair but all other welding methods are not recommended.
The machinability of alloy CZ121/CW614N is excellent. It has a machinability rating of 100 and is the standard against which the machinability of other alloys is measured.
The corrosion resistance of CZ121/CW614N is fair to excellent.
Cold working of CZ121/CW614N is poor and is not recommended. It can, however, be knurled if required.
Fabrication of CZ121/CW614N by hot working is excellent. It is recommended that hot working be done between 630 and 730°C.
Solution treatment or annealing can be done by rapid cooling after heating to 430-600°C.
Phosphor & Leaded Bronze
This Data is indicative only and as such is not to be relied upon in place of the full specification. In particular, mechanical property requirements vary widely with temper, product and product dimensions. All information is based on our present knowledge and is given in good faith. No liability will be accepted by the Company in respect of any action taken by any third party in reliance thereon. Please note that the 'Datasheet Update' date shown above is no guarantee of accuracy or whether the datasheet is up to date.
The information provided in this datasheet has been drawn from various recognised sources, including EN Standards, recognised industry references (printed S online) and manufacturers' data. No guarantee is given that the information is from the latest issue of those sources or about the accuracy of those sources. Material supplied by the Company may vary significantly from this data but will conform to all relevant and applicable standards. As the products detailed may be used for a wide variety of purposes and as the Company has no control over their use; the Company specifically excludes all conditions or warranties expressed or implied by statute or otherwise as to dimensions, properties and/or fitness for any particular purpose, whether expressed or implied. Advice given by the Company to any third party is given for that party's assistance only and without liability on the part of the Company. All transactions are subject to the Company's current Conditions of Sale. The extent of the Company's liabilities to any customer is clearly set out in those Conditions; a copy of which is available on request.