Choosing the Right Material for Electrical Panel Locks & Hinges: Zinc, Stainless Steel, or Brass?

Selecting the right material for electrical panel locks and hinges is crucial for ensuring durability, security, and corrosion resistance. With different environmental conditions and usage requirements, choosing between cast zinc, stainless steel, and brass can significantly impact the performance and longevity of your hardware. In this guide, we compare these materials to help you make an informed decision.

Dim8

Cast Zinc: Affordable and Corrosion-Resistant

Pros: 

  • Cost-effective and widely available.
  • Offers good corrosion resistance, especially when coated with a protective layer such as zinc plating or galvanization.
  • Lightweight yet sturdy enough for moderate-duty applications.
  • Provides good electrical conductivity, which can be beneficial in some electrical applications.
  • Good shock absorbency, though more brittle than brass, making it more prone to cracking under repeated impact.

Cons:

  • Not as strong as stainless steel or brass, making it less ideal for high-security applications.
  • Can degrade over time in harsh environments, particularly if the protective coating wears off.
  • Susceptible to oxidation, which can lead to a whitish corrosion known as “white rust.” White rust occurs when zinc is exposed to moisture and air, forming a powdery, non-protective layer that can weaken the material over time.
Dim750-M6-10

Stainless Steel: The Ultimate in Strength and Durability

Pros: 

  • Extremely strong and durable, making it ideal for high-security applications.
  • Excellent resistance to rust and corrosion, especially in humid or coastal environments.
  • Low maintenance and does not require additional coatings to remain effective.
  • Withstands extreme temperatures and harsh environmental conditions.
  • Superior shock resistance, making it ideal for enclosures subject to frequent impact or movement.

Cons:

  • More expensive than cast zinc and brass, increasing overall project costs.
  • Heavier than cast zinc, which may impact ease of installation in some cases.
  • Can be difficult to machine and shape, making custom designs more costly.
Dim100HDB

Brass: Aesthetic Appeal with Reliable Performance

Pros:

  • Naturally corrosion-resistant, even in humid or marine environments.
  • Offers a classic, aesthetically pleasing appearance.
  • Brass has antimicrobial properties, which can be beneficial in certain applications.
  • Good balance of strength and malleability, making it easy to machine and shape.
  • Absorbs impact well, reducing the risk of damage from sudden force or vibrations.

Cons:

  • More expensive than cast zinc, though generally more affordable than stainless steel.
  • Softer than stainless steel, making it more prone to dents and wear over time.
  • Can develop a patina over time, which some may find appealing but others may see as tarnish. 

Which Material Should You Choose?

The right material depends on the specific needs of your electrical panel installation:

  • If cost is a primary concern and the environment is not overly harsh, cast zinc is a good choice.
  • Stainless steel is the best option if you need maximum strength, durability, and corrosion resistance, particularly for outdoor or industrial applications.
  • Brass is a great choice if you want a balance of aesthetic appeal, corrosion resistance, and machinability

How BTTrading Can Help

At BT Trading, we supply high-quality locks, hinges, and accessories crafted from zinc, stainless steel, and brass to suit a wide range of industrial and commercial applications. Whether you need durability, corrosion resistance, or cost-effective solutions, we have the expertise and product range to help you make the right choice.

Need assistance in choosing the best material for your project? Contact our team today!