Custom Cold Rolled Copper Strip for Bimetal Contacts 2026 – Chende Factory

Custom Cold Rolled Copper Strip for Bimetal Contacts 2026
Chende Factory – Specifications, Advantages & Selection

January 2026 | 45 min read | Chende Electrical Contact R&D Center

Why Custom Cold Rolled Copper Strip Is Essential for Bimetal Contacts in 2026

The copper base in bimetal contacts is not just a support – it's the foundation for heat dissipation, mechanical strength, and electrical connection. In 2026, with increasing demands for high-current, high-reliability contacts in EV charging, solar inverters, and smart grids, **custom cold rolled copper strip** has become critical. Off-the-shelf copper often doesn't meet exact thickness, width, hardness, or surface finish requirements, leading to assembly issues or performance loss.

At Chende, we produce custom cold rolled copper strip tailored for bimetal contacts. We roll copper to precise thicknesses (0.1–2 mm), widths (10–200 mm), and surface finishes (mirror, matte, plated), with low MOQ (50 kg) and fast delivery (7–14 days). This guide covers specifications, advantages, selection tips, real cases, and 2026 trends for custom cold rolled copper strip in bimetal contacts – all from our factory experience. For the full custom process, see our main guide Custom Silver Electrical Contacts According to Drawings 2026.

Custom cold rolled copper strip for bimetal contacts 2026

Custom Cold Rolled Copper Strip Specifications: What to Choose

When ordering custom cold rolled copper strip, specify these parameters:

Parameter	Range	Common Choice for Bimetal Contacts	Why It Matters
Thickness	0.1–2 mm	0.3–1.0 mm	Affects bonding strength and heat dissipation
Width	10–200 mm	20–100 mm	Matches rivet shank size and stamping die
Hardness	HV 40–120	HV 60–90	Balances formability and strength
Surface Finish	Mirror, matte, plated	Mirror or nickel-plated	Improves bonding and corrosion resistance
Material Grade	C10200, C11000, C12200	C11000 (oxygen-free)	Highest conductivity (100% IACS)
Tolerance	±0.005 mm	±0.01 mm	Ensures precise riveting

Chende offers C11000 oxygen-free copper strip with mirror finish and nickel plating for better bonding in bimetal contacts. For custom copper strip specifications, see Custom Copper Base for Silver Alloy Contacts 2026.

Custom cold rolled copper strip specifications table 2026

Advantages of Custom Cold Rolled Copper Strip in Bimetal Contacts

Custom cold rolled copper strip offers several advantages:

Precise Fit: Exact thickness and width match your bimetal rivets design, reducing assembly time.
High Conductivity: C11000 oxygen-free copper provides 100% IACS, improving overall contact performance.
Mechanical Strength: Controlled hardness (HV 60–90) prevents deformation under high pressure.
Corrosion Resistance: Nickel or gold plating protects in humid environments.
Cost Savings: Custom width reduces waste in stamping.
Low MOQ: Start with 50 kg for testing, ideal for R&D and small batches.

In our production, custom copper strip improves bimetal rivets yield to 99.97%. For advantages, see Custom Silver Electrical Contacts According to Drawings 2026.

Advantages of custom cold rolled copper strip for bimetal contacts 2026

Real Case: Custom Cold Rolled Copper Strip for High Current Contactor

A German contactor manufacturer needed custom copper strip for 400A high current contactors. They required 0.8 mm thickness, 80 mm width, mirror finish, and C11000 grade. We supplied 100 kg for prototype testing. Key results:

Bonding strength increased by 25%
Contact resistance reduced to 8 mΩ
Temperature rise 15% lower under 400A load
Production yield improved to 99.8%

They approved and ordered 500 kg/month. This shows how custom cold rolled copper strip enhances performance in high current applications. For more cases, see Silver Contact Applications Guide.

Custom cold rolled copper strip for high current contactor case study 2026

2026 Trends: Custom Cold Rolled Copper Strip in EV & Renewables

By 2026, custom cold rolled copper strip will see:

Ultra-thin rolling (0.05 mm) for compact designs
AI-optimized hardness and finish for bonding
Plating with nano-coatings for corrosion resistance
Low MOQ (20 kg) for R&D in EV startups

Chende is piloting ultra-thin copper strip for EV busbars. For trends, see Silver Contact Industry Trends 2025–2030.

Chende Custom Cold Rolled Copper Strip: Low MOQ & Fast Delivery

MOQ 50 kg, prototype in 7 days, mass production in 14–21 days. We accept small orders for testing. For custom copper strip, see Custom Copper Base for Silver Alloy Contacts 2026.

Frequently Asked Questions About Custom Cold Rolled Copper Strip for Bimetal Contacts

What is custom cold rolled copper strip for bimetal contacts?

Custom cold rolled copper strip is precision-rolled copper base material for bimetal contacts, tailored to exact thickness, width, hardness, and finish to improve bonding and performance.

What is the minimum order quantity for custom copper strip?

Our low MOQ is 50 kg for mass production, with smaller quantities for prototype testing.

How long does it take to get custom copper strip prototype?

Prototype in 7 days after drawing confirmation. Mass production in 14–21 days after approval.

What copper grade is best for bimetal contacts?

C11000 oxygen-free copper is the best due to 100% IACS conductivity and excellent heat dissipation.

Do you offer plating on custom copper strip?

Yes, nickel or gold plating is available for corrosion resistance in humid or outdoor applications.

Menu