C31400 Leaded Commercial Bronze

Product Description

C31400 Leaded Commercial Bronze is a copper alloy that combines excellent machinability with good corrosion resistance and mechanical properties. It is part of the "leaded bronze" family, where lead is added to improve the alloy's performance in specific applications.

 

C31400 Leaded Commercial Bronze Alloy, commonly referred to as "Commercial Bronze," is a free-machining brass known for its superior electrical and thermal conductivity compared to standard free-machining brass alloys. This alloy uniquely combines the exceptional corrosion resistance of C22000 with the excellent machinability typical of leaded brasses.

 

Composed of approximately 89% copper, 9% zinc, and 2% lead, C31400 is classified as an alpha brass. The addition of lead enhances its free-cutting properties, making it ideal for precision machining applications. The relatively low zinc content not only contributes to its impressive corrosion resistance, particularly in potable water systems, but also gives it an attractive golden color that matches the aesthetic of C22000 hardware.

 

C31400 is highly suitable for outdoor applications due to its resistance to stress corrosion cracking and general corrosion. However, it is best used in environments where the highest mechanical strength is not a primary requirement. This alloy is a versatile choice for industries seeking a balance of machinability, corrosion resistance, and aesthetic appeal.

 

Chemical Composition

Cu: 87.50-90.50%

Pb: 1.30-2.50%

Fe: 0.10% Max.

Ni: 0.70% Max.

Zn: Balance

 

Mechanical Properties

Alloy	Temper	Tensile Strength	Hardness	Elongation	Electrical Conductivity	Electrical Conductivity
		MPa	HV	%	%IACS	%
C31400	H04	≥420	110	15~18	≥42	80

 

Key Properties

• Excellent Machinability: The addition of lead makes C31400 easy to machine, reducing tool wear and improving surface finish.
• Good Corrosion Resistance: Suitable for use in marine and atmospheric environments.
• Moderate Strength: Offers a balance of strength and ductility for various applications.
• Wear Resistance: Performs well in applications involving friction or sliding contact.
• Thermal and Electrical Conductivity: Retains good conductivity, though slightly lower than pure copper.

 

Advantages

• Ease of Fabrication: Ideal for complex parts requiring precision machining.
• Durability: Resists wear and corrosion in harsh environments.
• Versatility: Suitable for a wide range of industrial and decorative applications.
• Cost-Effective: Provides a balance of performance and affordability.

 

Limitations

Lower Conductivity: Not as conductive as pure copper or other high-copper alloys.

Lead Content: May not be suitable for applications requiring lead-free materials (e.g., drinking water systems).

 

Test Equipment

 

Applications

C31400 Leaded Commercial Bronze is widely used in industries where machinability and corrosion resistance are critical. Common applications include:

• Valve Components: Such as stems, seats, and fittings.
• Marine Hardware: Fasteners, bushings, and pump parts exposed to seawater.
• Architectural Elements: Decorative fixtures, door handles, and hinges.
• Industrial Machinery: Gears, bearings, and wear plates.
• Plumbing Fittings: Connectors, adapters, and couplings.

 

Why Choose C31400 Leaded Commercial Bronze?

C31400 is a reliable and versatile alloy, particularly valued for its machinability and corrosion resistance. It is an excellent choice for applications requiring precision components that can withstand demanding environments. Whether for marine hardware, industrial machinery, or architectural elements, C31400 delivers consistent performance and durability.

Contact Us

For more information about C31400 Leaded Commercial Bronze or custom solutions, please contact our team. We provide high-quality materials and professional services to meet your needs.

Hot Tags: c31400 leaded commercial bronze, China c31400 leaded commercial bronze manufacturers, C31600 Leaded Bronze, C31600 High Thermal Conductivity Copper Alloy, Leaded Bronze, C31400 Leaded Commercial Bronze, C51900 Phosphor Bronze