Established in 1992, Zhejiang Pujiang Wushi Lock is a set of design, research and development, production, trade professional locks enterprise.
As a professional custom Brass Padlock manufacturer and Brass Padlock factory in China, our Company mainly manufactures copper padlocks, iron padlocks, steel padlocks, aluminum padlocks, zinc padlocks, door locks and more than 300 other types of products that sell well in the domestic market and are exported to Russia, Europe and the United States, Southeast Asia, the Middle East and other international markets.
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From the viewpoint of a Brass Padlock manufacturer in China, the reason many high-quality padlocks use brass rather than steel lies in the material's unique combination of durability, corrosion resistance, and machinability. Brass Padlocks are much more resistant to rust and oxidation compared to steel locks. While steel is strong, it reacts easily with moisture and air, cause corrosion and surface rust over time. This makes it less suitable for outdoor or humid conditions unless it has heavy protective coatings.
Brass, on the other hand, is an alloy of copper and zinc, providing both strength and natural corrosion resistance. It maintains its structure and appearance even when exposed to moisture or fluctuating temperatures. Additionally, brass is easier to machine precisely, which allows the internal locking cylinder of a Brass Padlock to be smoother and more reliable in daily use. From a manufacturing perspective, this material ensures consistent quality and longer lifespan, which is why modern padlocks, especially those made for general consumer or industrial use, are Brass Padlocks rather than steel ones.
As a Brass Padlock custom factory in China, we design and produce locks that perform reliably even in challenging outdoor environments. Generally speaking, Brass Padlocks are naturally resistant to rain, wind, and humidity, which makes them one of materials for all-weather applications. Unlike iron or steel, brass does not rust; instead, it may develop a thin, protective patina over time that further shields the surface from damage.
For outdoor use, high-end Brass Padlocks often come with additional weatherproof features such as rubber covers, stainless steel shackles, or waterproof seals around the keyhole. These designs protect the internal mechanisms from dust and water ingress. This combination of natural corrosion resistance and engineered sealing ensures that Brass Padlocks can be used confidently for gates, boats, storage lockers, and even marine equipment.
However, while brass itself withstands weather conditions, prolonged exposure to acidic rain or salty air can slightly tarnish the surface. That's why we recommend occasional cleaning and light lubrication to maintain both the function and shine of your Brass Padlock.
Over time, a Brass Padlock may lose some of its original luster due to oxidation or daily wear. As a professional Chinese factory specializing in Brass Padlock customization, we often provide recoating and refinishing solutions for customers who want to restore the lock's appearance.
The process begins by cleaning the surface thoroughly to remove dust and grease. Then, a mild polishing agent or brass cleaner is used to remove tarnish and bring back the natural golden tone. If you prefer extra protection, a transparent lacquer coating or clear anti-oxidation spray can be applied to the lock body. This thin layer acts as a shield against moisture and dirt. For customized projects, we also offer electroplated finishes or color coatings—such as black, silver, or antique bronze—for aesthetic or branding purposes.
When recoating, it's important to protect the internal parts and keyhole from any liquid or chemical exposure. Cover the cylinder and shackle area with masking tape before applying any coating. With proper care, a well-refinished Brass Padlock not only looks brand new but also continues to perform reliably for many more years.
Brass is favored over steel because it combines strength, corrosion resistance, and fine machinability. A Brass Padlock is highly weather-resistant, making it ideal for both indoor and outdoor applications. With proper maintenance or periodic recoating, users can ensure their Brass Padlocks remain attractive, functional, and durable—reflecting the quality and craftsmanship that a trusted Chinese Brass Padlock manufacturer stands for.