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OEM C36000 Lead Brass Factory, Company

C36000 is a leaded brass alloy and one of the most widely used free-cutting brass materials globally. Due to its excellent machinability and good comprehensive mechanical properties, C36000 is hailed as the "King of Free-Cutting" within the industry and is an ideal choice for the manufacturing of precision components.

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Product Description

1. Core Chemical Composition (UNS Standard)

Element	Content Range (%)
Copper (Cu)	60.0 – 63.0
Lead (Pb)	2.5 – 3.7
Zinc (Zn)	Excess
Iron (Fe)	≤ 0.35
Total Impurity Content	≤ 0.5

2. Physical Properties (Typical Values)

Performance Indicators	Typical Values
Density	8.50 g/cm³
Melting Point	885 – 900 ℃
Thermal Conductivity	115 W/(m·K)
Electrical Conductivity	26 % IACS (annealed state)
Elastic Modulus	105 – 115 GPa

3. Main Characteristics

✓ Excellent machinability, superior to ordinary brass.

✓ Excellent chip removal, does not get stuck on the blade, suitable for high-speed automatic lathes and CNC.

✓ Good cold working performance, capable of slight bending and stamping.

✓ Both electrical conductivity and heat conductivity are relatively good, suitable for terminals or heat dissipation components.

✓ High yield rate, easy for both cold and hot processing.

4. Application Fields

Automotive Industry Fuel system joints, fuel injector housings, nuts and bolts.

Electrical and Electronic Connector terminals, connectors, heat sinks, terminal blocks.

Precision Machinery Gears, instrument joints, watch movement parts.

Hardware & Consumer Small hardware components, electrical enclosures.

Water Supply & Valves Valve bodies, valve cores, valve stems, pipe joints, faucet accessories.

Frequently Asked Questions

What makes this brass ideal for CNC machining?

Its high lead content provides excellent chip removal properties, ensuring that chips break easily and do not clog high-speed automatic lathes or CNC blades.

Is this material suitable for electrical applications?

Yes, with an electrical conductivity of 26% IACS, it is highly suitable for connector terminals, heat sinks, and other electrical components.

What is the primary benefit of the UNS standard composition?

The UNS standard ensures a precise balance of Copper and Lead, providing a consistent 100% machinability rating which is the benchmark for all other copper alloys.

Can this alloy be used for plumbing fixtures?

Absolutely. It is widely used for valve bodies, stems, and faucet accessories due to its excellent processing performance and durability in water supply systems.

Does it support cold working like bending?

While optimized for machining, it also possesses good cold working performance, allowing for slight bending and stamping without compromising structural integrity.

What is the melting range for this brass?

The typical melting point for this alloy ranges between 885 and 900 ℃, making it suitable for various hot processing techniques.