CZ121 / CW614N

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 · 56.5/58.5
Pb · 2.5/3.5
Fe · 0.3 MAX

Typical Mechanical Properties (EXAMPLE ONLY)

TEN. STRENTH 360-580 MPa
ELONG. 15-25%

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