CZ121/CW614N Brass
This high speed machining brass is ideal for the very rapid production of components in automatic lathes. Due to the inclusion of lead in its composition, CZ121 has superior machinability.
CW614N has uses such as…
· Nuts and Bolts
· Screws
· Valves & Fittings
· Pneumatics and hydraulics
· Domestic hardware
CZ121 is available in the following forms:
Bars, Hexagons and Squares,
Bars from 1/8” dia – 10” dia
Hexagon from 3mm – 2 13/16”
Squares from 1/8”sq – 4”sq
Chemical & Physical Properties
Typical Chemical Composition
Elements |
Min% |
Max% |
Cu |
56.5 |
58.5 |
Fe |
|
0.3 |
Pb |
2.5 |
3.5 |
Zn |
Remainder |
|
Typical Mechanical Properties
Properties/unit |
Condition |
Min |
Tensile Strength(N/mm2) |
M
|
425 |
Elongation in 5.65Öcross
sectional area% |
M
|
15 |
Tolerances
Round bar
Above 2.5mm – 3mm + 0-0.04mm
Above 3mm – 6mm + 0-0.05mm
Above 6mm – 10mm + 0-0.06mm
Above 10mm – 18mm + 0-0.07mm
Above 18mm – 20mm + 0-0.052mm
Above 20mm – 30mm + 0-0.08mm
Above 30mm – 50mm + 0-0.16mm
Above 50mm – 80mm + 0-0.19mm
Hexagon & Square Bar
Above 3mm – 6mm + 0-0.08mm
Above 6mm – 10mm + 0-0.09mm
Above 10mm – 18mm + 0-0.11mm
Above 18mm – 30mm + 0-0.13mm
Above 30mm – 50mm + 0-0.16mm
Above 50mm – 60mm + 0-0.19mm