CZ121 / CW614N
General
CZ121 IS A FREE-MACHINING BRASS RENOWNED FOR HAVING THE HIGHEST MACHINABILITY OF ALL COPPER ALLOYS. CONTAINING AROUND 3% LEAD, THIS ELEMENT IS FINELY DISPERSED THROUGHOUT THE MICROSTRUCTURE, ACTING AS BOTH A LUBRICANT AND CHIP BREAKER. THIS GIVES CZ121 ITS EXCEPTIONAL MACHINING PERFORMANCE. WITH A MACHINABILITY RATING OF 100%, IT SETS THE BENCHMARK FOR ALL OTHER COPPER-BASED ALLOYS. CZ121 ALSO PROVIDES GOOD STRENGTH AND CORROSION RESISTANCE.
Uses
WIDE VARIETY OF MACHINE COMPONENTS, FASTENERS, EXTRUDED SECTIONS, WINDOW FRAMES, PLUG PINS, SWITCH BLOCKERS.
Heat Treatment & Condition
CONDITION A
Chemical Analysis
| Cu | Pb | Fe |
|---|---|---|
| 56.5/58.5 | 2.5/3.5 | 0.3 MAX |
Typical Mechanical Properties (EXAMPLE ONLY)
| TEN. STRENTH | ELONG. |
|---|---|
| 360-580 MPa | 15-25% |