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Brass C69300

Material Type：Metal
Material Name：Brass C69300
Alternative Names：C69300 | Lead-Free Brass | Eco Brass | EN CW511L | HBi59-2 (GB)
Process Compatibility：CNC Turning, CNC Milling, Forging, Hot Pressing
Brass CNC Machining Service的副本
Brass C69300
Description
Brass C69300 is a lead-free, environmentally friendly brass alloy. It replaces lead with bismuth and silicon, providing excellent machinability while complying with RoHS and safe-drinking-water standards. It has high strength, good corrosion resistance, and resistance to dezincification.
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 414
Yield Strength 276
Young’s Modulus / Elasticity 100
Elongation at Break 20
Hardness 120
Fatigue Strength 110
Physical Properties Density 8.44
Corrosion Resistance Excellent (Lead-free)
Magnetism Non-magnetic
Weldability Good
Impact Toughness High
Thermal Properties Maximum Service Temperature 200
Thermal Expansion Coefficient 20.5
Thermal Conductivity 120
Creep Resistance Moderate
Electrical Properties Electrical Resistivity 6.5
Electrical Conductivity 28
Dielectric Strength N/A
Processing & Surface Treatment Machinability Good
Surface Finish Compatibility Good
Formability Good
Special Properties Biocompatibility Yes
Flame Retardancy Yes
UV Resistance High
Recyclability Yes

Introduction to Brass C69300

What
Brass C69300 (UNS C69300) is a modern lead-free brass alloy developed to meet global environmental regulations. With ~59% copper, balance zinc, and additions of bismuth and silicon, it maintains machinability close to leaded brasses while eliminating toxic lead. It offers excellent dezincification resistance, high mechanical strength, and suitability for drinking water and eco-friendly applications.
Advantages
Lead-free, RoHS and NSF/ANSI 61 compliant
Good machinability despite no lead content
Excellent resistance to dezincification and stress corrosion
High strength and durability
 
 
 
Applications
Drinking water fittings and valves
Plumbing components
Marine hardware
Eco-friendly precision machined parts
 
 
 
 

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