Is a copper core lock better than stainless steel for security doors? What materials are used for se

Mar 13, 2026 PipesB2B Marketplace
I.Anti-theft door lock coreWhat material is it?1、Pure copperFull copper is produced by mixing copper raw materials with other alloy elements in specific proportions, which improves the corrosion resistance, strength, hardness, and machinability of the cop

I.Anti-theft door lock coreWhat material is it?

1、Pure copper

Full copper is produced by mixing copper raw materials with other alloy elements in specific proportions, which improves the corrosion resistance, strength, hardness, and machinability of the copper material.

2、Pure Copper

Pure copper is the copper with the highest copper content, as it is also known as purple copper due to its purple-red color. Its main components are copper and silver, with a copper content of 99.5~99.95%.

3、Brass

Brass is an alloy of copper and zinc, and it exhibits excellent mechanical properties and wear resistance.

4、Aluminum-clad copper

Aluminum-copper alloy is very hard, with a melting point of 640℃. It is typically composed of 97% aluminum and 3% copper, and exhibits high mechanical properties at room temperature and high temperatures, with simple casting processes.

5、Zinc alloy

Zinc alloy is an alloy composed of zinc as the base material with the addition of other elements. Zinc alloy has a low melting point, good fluidity, and is easy to weld, braze, and plastically process. It is corrosion-resistant in the atmosphere, and waste materials can be easily recovered and re-melted.

6、Stainless Steel

Stainless steel locks are a common door lock material, known for their good quality, high security, and resistance to wear and tear.

Two. Which is better for anti-theft door locks: copper core or stainless steel?

1、Stainless steel door lock core

This refers to a door lock with a visible handle and panel made of stainless steel. Steel should ideally be 304 stainless steel, which is cast and polished, typically presenting in its natural stainless steel finish.

Advantages: Stainless steel material offers good corrosion resistance and wear resistance. Due to its poor flowability, the resulting designs are typically simple and versatile, suitable for modern minimalist interior design styles.

Disadvantages: Simple design, unable to create elaborate or intricate designs.

2、Pure copper door lock core

This refers to a door lock with a visible handle and panel made of pure copper. The raw materials for pure copper products are typically high-quality brass, and common plating colors include PVD gold, bright gold, and antique copper.

Advantages: Copper is one of the best pure metals. Brass, an alloy of copper and zinc, has excellent wear resistance, high strength, high hardness, and strong corrosion resistance. Furthermore, copper's excellent plasticity allows for the creation of various aesthetically pleasing handles and panels.

Disadvantages: Pure copper is an expensive metal and requires specialized processing, which results in higher prices for copper products.

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