Custom C19160 high strength copper alloy Manufacturer, Factory

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Custom C19160 high strength copper alloy Manufacturer, Factory

C19160 (CuNiSiCr) is a high-performance copper alloy belonging to the nickel-silicon precipitation strengthened copper alloy category. This material is strengthened through heat treatment and possesses high strength, excellent electrical conductivity, and outstanding softening resistance, and is widely used in the fields of electronics, electrical engineering, and high-end connectors.

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Product Description

1. Chemical Composition

Element	Content (%)
Copper (Cu)	Remainder
Nickel (Ni)	1.0 - 2.0
Silicon (Si)	0.5 - 1.0
Chromium (Cr)	0.1 - 0.5
Impurities	≤ 0.2

2. Mechanical Properties (Typical Values)

Project	Values
Tensile strength	500 - 700 MPa
Yield strength	400 - 600 MPa
Elongation	5 - 15 %
Hardness	140 - 220 HV

3. Physical Properties

Item	Value
Electrical Conductivity	35 – 50 % IACS
Density	≈8.8 g/cm³
Thermal Conductivity	Good
Coefficient of Linear Expansion	Medium

4. Main Features

Balance of High Strength and Good Conductivity

C19160 achieves an optimal balance between high strength and good conductivity through alloy strengthening treatment. While preserving reliable conductivity, its mechanical strength is significantly enhanced compared to pure copper materials.

Excellent Resistance to Thermal Softening

This alloy maintains stable mechanical properties even at medium-to-high temperatures. It is highly resistant to softening or performance degradation during long-term electrical conduction or heating conditions.

Good Wear and Fatigue Resistance

C19160 is less susceptible to severe wear under frequent contact, friction, or plugging conditions. Its stable fatigue resistance allows it to withstand repeated stress without cracking or failure.

Excellent Forming and Processing Performance

With good plasticity and processing adaptability, this alloy is highly suitable for cold processing techniques such as stamping, bending, stretching, and high-precision machining.

5. Typical Application Scenarios

Electronics & Electrical

Connector terminals, tabs, switch contacts

New Energy & Auto

Battery connectors, conductive components of electronic control systems

Communications

Precise conductive structural components, high-frequency connectors

Industrial Equipment

Elastic conductive parts, wear-resistant structural components

Frequently Asked Questions (FAQ)

What is the chemical composition of C19160 copper alloy?

C19160 copper alloy is primarily composed of Copper (Cu) as the remainder element, with 1.0-2.0% Nickel (Ni), 0.5-1.0% Silicon (Si), and 0.1-0.5% Chromium (Cr). Total impurities are strictly controlled at 0.2% or lower.

What are the mechanical strength properties of C19160?

Typically, C19160 features a tensile strength of 500-700 MPa and a yield strength of 400-600 MPa. It maintains an elongation rating of 5-15% and has a hardness level ranging between 140-220 HV.

How does C19160 perform in terms of electrical conductivity?

C19160 provides an electrical conductivity rate of 35% to 50% IACS. It is specially alloyed to balance high mechanical structural strength with excellent electrical transmission performance.

Can C19160 copper alloy withstand high-temperature environments?

Yes. One of the main features of C19160 is its excellent resistance to thermal softening. This allows the material to retain its original mechanical properties and structural strength even during long-term heating or medium-high temperature operation.

What are the primary applications for C19160?

It is widely used for connector terminals, switch contacts, battery connectors in new energy automotive systems, high-frequency communication connectors, and wear-resistant industrial components.

Is C19160 easy to process and form?

Yes, it features excellent forming and processing capabilities, which makes it ideal for precision machining as well as cold processing methods like stamping, bending, and stretching without cracking.