Metal springs can be constructed of a wide range of metals, depending on the particular application of the spring. Metal springs are ideal for use in marine, petrochemical, pharmaceutical, medical, and many other contexts. Metal springs can be involved in major or minor ways in alarms, aviation, circuit breakers, electronics, furniture, hardware, instruments and gauges, office/business machines, solenoid valves, and writing instruments as well as a wide variety of other industrial, commercial and consumer products.
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Metal springs come in a wide variety of sizes and types. While springs can be made from a wide range of metals, spring steel is one of the most popular spring composition materials. Spring steel is characterized by its strength and elasticity. Stainless steel is also a very popular spring composition material because of its qualities of strength and corrosion resistance. Stainless steel springs are often employed in situations where sustained or frequent exposure to moisture or chemicals is likely. Metal springs may also be called metal struts, metal props, metal shocks, metal lifts, or metal dampers, depending on the industry and application. Metal springs are commonly used to reduce the shock or impact of a load or another element. Particularly in automotive applications and in the case of some varieties of heavy industrial machinery, metal springs can be invaluable shock and impact absorbing utilities, which reduce wear on other connected components and increase the efficiency and operating life of the equipment. Throughout industry and commerce and in consumer products contexts, metal springs are important to the functioning of all kinds of products and processes.
Like all other spring varieties, metal springs are tools used for the storage and transmission of force. Force can be transmitted to a metal spring through compression, twisting, and other ways. Coil springs are among the most popular and widely produced spring variety, and they are often made of metal, though they are sometimes made out of other materials like plastic. The term “coil spring” is somewhat ambiguous; it can refer to springs with rounded coils or coiled, flat strips. Springs with coiled flat strips are usually referred to as flat springs; they are also a very common spring variety, and they are often made of metal. Torsion springs also qualify as coiled springs, but they involve the storage and transmission of rotational force. Such springs are often made of metal because of their high tensile strength compared to other materials like plastic.