C87400 Bendable Copper Tubing

Introduction

C87400 Bendable Copper Tubing

C87400 copper tube is a silicon brass alloy that offers an excellent balance of mechanical properties and machinability. Its moderate strength makes it suitable for a wide range of industrial components, while its good corrosion resistance ensures reliable performance in environments where exposure to moisture or mild chemicals is a concern.

Thanks to its lead-free composition and superior machinability, C87400 copper tube is particularly favored for precision-machined parts such as valve bodies, fittings, and plumbing components. It can be easily fabricated using standard machining techniques, and its inherent durability reduces the need for frequent replacement, making it both cost-effective and dependable for long-term use.

parameter

Physical Properties

Melting Point – Liquidus°F	1680
Melting Point – Solidus°F	1510
Densitylb/cu in. at 68°F	0.3
Specific Gravity	8.3
Electrical Conductivity% IACS at 68°F	6.7
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F	16
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F)	10.9
Specific Heat CapacityBtu/ lb /°F at 68°F	0.09
Modulus of Elasticity in Tensionksi	15400

Advantages

Advantages of C87400 Bendable Copper Tubing

Excellent machinability

It can be easily cut, drilled, and machined into complex shapes, which reduces production time and tool wear.

Good corrosion resistance

It withstands exposure to moisture and mild chemicals, making it suitable for plumbing, valve, and outdoor applications.

Moderate strength with good ductility

It provides sufficient mechanical strength for many industrial uses while remaining formable and resistant to cracking under stress.

Lead-free composition

It meets environmental and health standards, making it a safer choice for drinking water systems and eco-friendly manufacturing.

Our case presentation

Applications for C87400 Bendable Copper Tubing

Valve Bodies and Components for Industrial Fluid Systems

C87400 copper tube is widely used to manufacture valve bodies, bonnets, discs, and stems in water, air, and mild chemical service valves. Its excellent machinability allows complex internal flow passages to be produced efficiently, while its good corrosion resistance ensures long-term reliability in wet environments. The lead-free composition also makes it suitable for valves in drinking water systems.

Plumbing Fittings and Pipe Connectors

In residential and commercial plumbing systems, C87400 copper tube is formed into elbows, tees, couplings, adapters, and unions. The alloy offers a balance of strength for pressure-containing applications and ductility for flaring or bending operations. Its resistance to dezincification and general corrosion extends service life in hot and cold water lines, and its lead-free nature complies with modern potable water regulations.

Precision-Machined Hardware and Mechanical Components

Due to its superior machinability (similar to free-cutting brass), C87400 copper tube is a preferred material for high-volume screw machine products such as gears, bushings, nuts, bolts, and threaded inserts. Components can be produced with tight tolerances and smooth surface finishes without excessive tool wear. The alloy's moderate strength and wear resistance also contribute to the durability of moving or load-bearing parts.

Pneumatic and Hydraulic System Fittings

C87400 copper tube is commonly found in compressed air lines, lubrication systems, and low-pressure hydraulic circuits. It is used to manufacture quick-connect couplings, compression fittings, and banjo fittings. The alloy's combination of good sealability, corrosion resistance, and resistance to stress cracking makes it reliable under cyclic pressure and vibration. Additionally, its lead-free status is valued in food-processing or pharmaceutical plant air systems where contamination must be avoided.

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Our Team

Gnee steel group is a professional one-stop supply chain company for steel products in China. The copper technology has reached the world average technology level and has been approved by dozens of project companies to be the star company in Asia.

Established in 2008 with a registered capital of 5 million RMB, Gnai has made remarkable progress and development in the steel market. At present, the company has a total investment of 30 million yuan, a plant area of more than 35,000 square meters and more than 200 employees. With a clear strategic framework, a complete governance structure, a solid management foundation, and strong financial and human resources, the company is becoming the most professional internationalized steel supply chain company in the Central Plains.

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FAQ

What problems do you often encounter ?

What Are Your Company’s Main Products?

Our main products are copper plate/sheet, coil, round/square pipe, bar, etc.

How Do You Control Quality?

Mill Test Certification is supplied with shipment, Third Party Inspection is available. and we also get ISO,SGS,Alibaba Verified.

What Are The Advantages Of Your Company?

We have many professionals, technical personnel, more competitive prices and best after-dales service than other copper companies.