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Brass CZ121

Material Type：Metal
Material Name：Brass CZ121
Alternative Names：EN CW614N | C360 (ASTM) | HPb59-3 (GB)
Process Compatibility：CNC Turning, CNC Milling, Automatic Machining
Brass CNC Machining Service的副本
Brass CZ121
Description
Brass CZ121 is a European free-machining brass similar to C360. It contains about 58–60% copper, 2–3% lead, and the remainder zinc. It is specifically developed for automatic machining, offering excellent machinability and moderate corrosion resistance.
Lead Time: < 5 days
Wall Thickness: 0.5 mm
Tolerances: ±0.005″ (±0.125mm)
Max Part Size: 200 cm x 80 cm x 100 cm
 
Classification of Metal Performance Parameters
Mechanical Properties Ultimate Tensile Strength 360
Yield Strength 220
Young’s Modulus / Elasticity 100
Elongation at Break 30
Hardness 100
Fatigue Strength 95
Physical Properties Density 8.47
Corrosion Resistance Good
Magnetism Non-magnetic
Weldability Poor
Impact Toughness Moderate
Thermal Properties Maximum Service Temperature 200
Thermal Expansion Coefficient 20.7
Thermal Conductivity 120
Creep Resistance Low
Electrical Properties Electrical Resistivity 6.5
Electrical Conductivity 28
Dielectric Strength N/A
Processing & Surface Treatment Machinability Excellent
Surface Finish Compatibility Good
Formability Good
Special Properties Biocompatibility Yes
Flame Retardancy Yes
UV Resistance Moderate
Recyclability Yes

Introduction to Brass CZ121

What
Brass CZ121 (CW614N) is a free-machining brass under the European EN standard. Its composition includes lead, which enhances chip formation during cutting and reduces tool wear. It provides similar mechanical and corrosion properties to C360, and is widely used in Europe for precision machined components.
Advantages
Excellent machinability for CNC and automatic lathes
Good dimensional accuracy and finish
Moderate corrosion resistance
Consistent properties across large production runs
 
 
Applications
Plumbing and heating fittings
Electrical connectors
Fasteners and gears
General machined components
 
 

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