Fasteners have applications in all industries and they are produced from a variety of materials. Many of these materials are differentiated in grades to indicate special alloys. This post describes five types of fastener materials.
Understand the 5 Popular Types of Fastener Materials
Material is an important factor of consideration when you are selecting a fastener for industrial and specific applications. The fasteners derive their properties such as strength, corrosion resistance, brittleness, and galvanic corrosion from the material of construction. Here are the five popular types of materials used for fastener construction.
Steel: This is the most popular fastener material. The steel fasteners are available with or without surface treatments. The steel bolts are commonly available in the following grades:
Stainless Steel: Stainless steel is an alloy containing chromium and low carbon steel. The stainless steel fasteners provide high corrosion resistance. The fastener made from this metal will not lose its resistance even if it is nicked or scratched at the time of installation. Stainless steel grades with special chemical formulation are used for certain fastener applications. The grades are as follows:
Aluminum: This material is soft, lightweight, and corrosion resistant. Aluminum fasteners retain their corrosion resistance even if scratched or nicked during installation or regular use. Various fasteners are made from special aluminum formulations where elements such as iron, magnesium, silicon, zinc, and more are added during the process.
Brass: This is an alloy of zinc and copper. It is electrically conductive as well as anti-corrosive. Custom Brass fasteners plate well and are used in many fluid exposed applications.
If you are unsure about the type of fastener material for your industrial application click here and Norwood Screw Machine Parts will help with engineering advice.
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