CU8119 Leaded Copper Wire C18700, Dia. 3 mm

Leaded Copper Wire C18700, Dia. 3 mm Description

This 3 mm diameter Leaded Copper Wire (C18700) is engineered for high-performance applications that demand both excellent machinability and precise dimensional stability. Thanks to the controlled addition of lead, it offers superior free-cutting properties, making it ideal for processes where fast and accurate machining is essential. Alongside its exceptional electrical and thermal conductivity, the wire’s robust composition also helps resist corrosion and wear.

Manufactured in accordance with ASTM B301/B301M, this wire complies with stringent quality standards to ensure consistent performance across various industries. Its versatile nature makes it well-suited for electrical connectors, automotive components, and intricate mechanical parts. By combining enhanced machinability with solid mechanical strength, our Leaded Copper Wire (C18700) delivers reliable quality and functionality for even the most demanding production environments.

Leaded Copper Wire C18700, Dia. 3 mm Applications

Leaded Copper Wire (C18700) in a 3 mm diameter is highly regarded for its excellent machinability, conductivity, and corrosion resistance, making it an ideal choice across multiple industries. The added lead content improves its bearing properties, reduces friction, and offers enhanced wear resistance under demanding conditions. As a result, this specialised copper alloy is used extensively in applications where reliability, performance, and durability are essential.

1. Automotive and Transportation

·         Battery Terminals: Ensures stable electrical connectivity and reduces wear for long-lasting vehicle performance

·         Harness Connectors: Provides dependable, corrosion-resistant connections in harsh driving environments

2. Electronics Manufacturing

·         Printed Circuit Board Leads: Offers precise machining and stable conductivity for sensitive electronic components

·         Connector Pins: Enhances durability and eases the soldering process, ensuring reliable device assembly

3. Industrial Machinery

·         Pump and Valve Parts: Adds lubrication and reduces friction in components exposed to continuous operation

·         Welding Electrodes: Combines good conductivity with improved machinability, delivering efficient welding outcomes

Leaded Copper Wire C18700, Dia. 3 mm Packaging

This Leaded Copper Wire C18700 in 3 mm diameter is packaged using durable plastic spools, layered with corrosion-resistant wraps, and vacuum-sealed in sturdy film to maintain dryness and purity. Silica gel packets are included to prevent moisture buildup, while exterior bubble wrap shields against potential transit damage. Customised labeling, spool sizes, and bundling configurations can be provided, ensuring that each shipment meets specific requirements for handling, storage, and presentation.

Packaging: Vacuum sealed, Wooden Box, or Customised.

Leaded Copper Wire C18700, Dia. 3 mm FAQs

Q1: What are the key material properties of Leaded Copper Wire C18700, Dia. 3 mm?

A1: Leaded Copper Wire C18700 at a 3 mm diameter offers excellent machinability, moderate strength, and good conductivity due to its optimised lead content. The lead component improves chip-breaking and lubricity during machining while maintaining copper’s inherent electrical and thermal properties. Its moderate tensile strength and improved surface finish make it ideal for components requiring precision, including electrical connectors, fasteners, and custom hardware.

Q2: How can this leaded copper product be processed or fabricated?

A2: Leaded Copper Wire C18700 can be processed using conventional machining, cold working, and annealing practices. It responds well to low-speed turning, drilling, and milling with minimal tool wear, thanks to its lead content. Annealing between cold working stages helps maintain ductility and surface quality. Laser or plasma cutting is generally reserved for specialised operations, although care must be taken to avoid excessive heating and oxidation.

Q3: Which quality standards and certifications apply to Leaded Copper Wire C18700, Dia. 3 mm?

A3: Leaded Copper Wire C18700 typically complies with industry standards such as ASTM B140 for leaded copper rod, bar, and shapes, which may extend to wire products of equivalent composition. Many manufacturers also follow ISO 9001 for quality management, ensuring consistent dimensional accuracy and traceability. Additional certifications may include RoHS compliance for restricted substances and specialised testing protocols for mechanical properties, microstructure, and chemical composition.

Related Information

1. Material Properties and Advantages

Balanced composition is a key feature of Leaded Copper Wire C18700, particularly when shaped as a 3 mm diameter wire. This alloy typically contains a small percentage of lead, enhancing its machinability and lubricity while maintaining desirable levels of electrical conductivity. Compared to standard copper grades, C18700 offers improved surface finish during turning and threading processes, making it an ideal choice for tight tolerance applications. This composition also delivers consistent tensile strength and excellent resistance to wear, helping reduce operational downtime.

Optimised mechanical properties are another hallmark of this wire grade, as its unique structure allows for controlled deformation when bending or coiling. The 3 mm diameter size facilitates precise dimension control, which is especially important in applications demanding optimised conductivity and structural integrity. Additionally, C18700’s lead content aids in dispersing stress more evenly throughout the wire, minimising the potential for microcracks or brittle failures over time. As a result, engineers can confidently specify this material for high-performance designs requiring both durability and ease of fabrication.

2. Applications in Advanced Industries

Dedicated industries such as aerospace, electronics, and automotive frequently turn to Leaded Copper Wire C18700 in wire form for critical applications that demand efficient conductivity and reliable mechanical properties. For instance, 3 mm diameter wire can be formed into push-fit connectors, precision pins, or small components that call for superior machinability. Thanks to its lead-enhanced formulation, C18700 remains easier to solder or braze, an essential criterion for intricate electromechanical devices used in avionics and sensitive instruments.

Notably, this alloy’s ability to maintain stable metallurgical performance under varying temperatures and stress conditions makes it suitable for emerging advanced manufacturing fields. Automated assembly lines benefit from its uniform dimensional stability, reducing rework and waste. As technology trends continue to push the boundaries of performance, the unique attributes of 3 mm C18700 wire ensure it remains highly sought after for systems that require both reliability and precision.