Select Four Methods Of Aluminum Alloy Door Lock-1

First, look at the lock material

The locks on the market are basically divided into stainless steel, copper, zinc alloy, aluminum alloy and iron and other materials.Each of these materials has its own advantages and disadvantages.

Stainless steel high strength, corrosion resistance, no color, is the best lock material, but forging performance is not good, stainless steel door lock style and color is relatively single.Copper material superior mechanical properties, generally used in the production of high-grade European door locks, the price and grade are relatively high.Zinc alloy has strong wear resistance, corrosion resistance and other properties, and is relatively easy to cast, can design a lot of styles and patterns, many of the most popular locks in the market are made of zinc alloy material.However, due to the different ratio of zinc alloy and raw materials, and the design process of casting process is different, resulting in a great difference in price.Aluminum alloy and iron applications are less, aluminum alloy is mainly space aluminum, this kind of door lock design is generally more concise, no pattern design, iron door locks are now less and less, basically belongs to the low-end door locks.The kind of lock is much more, the door lock that different material pledges and class has, basically is the budget that sees oneself and style, the choice is big brand, brand and quality have assurance quite.

Second, look at the lock surface treatment

The lock surface treatment can be roughly divided into electroplating, spraying and coloring. The lock forms a layer of dense protective film on the product surface through surface treatment, which plays the role of anti-corrosion and anti-rust, and makes the lock more beautiful and durable.Dense protective film is also the standard to measure the quality of locks. Locks with good quality are mostly treated by electroplating. The coating is delicate and smooth, uniform and moderate, bright in color, and there is no sign of bubble, rust and oxidation.For example, the products of Tino Hardware are all through layer plating process and polishing process, 48 hours of medium salt spray test or 200 hours of low salt spray test, to ensure that the product surface is not due to use and the passage of time on the above spots and oxidation rust.

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