Alloys appear everywhere – any metal parts you encounter in your day, from a bicycle frame to a spoon, from a crane to a car, are made from alloys, as we rarely use pure metals. Some typical applications of the common alloy groups are:
1. Construction
We see Steel and Aluminum alloys used often in construction, exploiting their elevated strength and durability. The range of construction applications is extensive, from rebar (mild steel) to faucets (brass), from sidings (Aluminum) to beams (hot or cold rolled steel), from window frames (Aluminum) to handrails (stainless steel).
2. Transportation
We also see Aluminum alloys being heavily utilized in the entire transport sector. Airframes and skins/control surfaces (Aluminum), truck chassis (steel and Aluminum), monocoque car bodies (steel), fuel tanks (Aluminum or steel), engines (Cast Iron, Aluminum). They are typically high strength-to-weight ratio, are corrosion-resistant, and recyclable. Aluminums weight influences fuel efficiency by reducing overall vehicle weight while still fulfilling strength requirements, while steel is heavier but more fatigue-resistant.
3. Electronics
Alloys play a wide range of key roles in electrical components, offering tunable beneficial properties like high conductivity, high resistance, strength, and corrosion/electrochemical resistance. Cupro-Nickel and brass alloys are used in electrical wiring, switchgear, and connectors because of their superior electrical conductivity combined with mechanical durability. Nickel-chromium and Manganese alloys are used in resistors and heating elements, where precise electrical resistance and heat tolerance are required. The choice of alloys for electrical/electronic applications seeks performance, longevity, and operational efficiency. By tailoring the composition of these alloys, the desired balance of electrical and physical properties can be tuned, making various alloys key to modern electrical and electronic devices.
4. Medical Devices
Alloys are vital in medical devices, a major industry that we service, delivering the required biocompatibility, strength, and corrosion resistance for implants, joint replacements, and stents, which must integrate well with and be tolerated by body tissues and fluids. Surgical instruments and dental devices are from various alloys, ensuring durability and precision. Typical metals/alloys tolerance of sterilization methods without degrading is central to their suitability for medical applications, patient safety, and device longevity.
5. Jewelry
Gold, Silver, Platinum, and other precious metals are used in jewelry. Despite their attractive properties, they are rarely used in pure form, as they are typically too soft to serve durably. Bronze, Cupro-Nickel, Nickel-Silver, and many more alloys are used to create lower cost jewelry. Alloying allows selection/control of the colors that can be obtained, which are not possible with pure metals.
6. Manufacturing
Alloys serve in all aspects of manufacturing, making both the machines/tools that perform the tasks, the buildings that house the machines, and the products that the machines make. Few areas of manufacture use pure metals – examples being chemical/catalytic processes and electrical conductors (typically high purity Copper or Aluminum).