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Types of Metal

Metals are fundamental materials in modern industry, classified into various types based on composition and properties. Types of Metal include ferrous metals (like steel and cast iron) which contain iron and are strong but prone to rust, and non-ferrous metals (such as aluminum and copper) known for their lightweight and corrosion resistance. Precious metals (gold, silver) offer high value and conductivity, while refractory metals (tungsten, molybdenum) withstand extreme heat.

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Types of Metal

Types of Metal

Category

Type of Metal

Description

Key Properties

Common Applications
Ferrous Metals Steel Iron-carbon alloy (typically 0.2%-2.1% carbon). High strength, durable, malleable Construction, automotive, tools
Stainless Steel Steel with chromium (≥10.5%) for corrosion resistance. Rust-resistant, hygienic, aesthetic Kitchenware, medical devices, architecture
Cast Iron Iron with 2%-4% carbon; brittle but excellent compression strength. Heat-retentive, wear-resistant Engine blocks, pipes, cookware
Wrought Iron Nearly pure iron with slag inclusions. Ductile, corrosion-resistant Decorative gates, railings
Non-Ferrous Metals Aluminum Lightweight, silvery-white metal. Corrosion-resistant, conductive Aircraft, packaging, electronics
Copper Reddish-brown, highly conductive metal. Excellent conductivity, malleable Electrical wiring, plumbing, coins
Brass Copper-zinc alloy. Gold-like appearance, acoustic properties Musical instruments, fittings
Bronze Copper-tin alloy. Hard, resistant to corrosion Statues, bearings, marine hardware
Titanium Strong, low-density metal. High strength-to-weight ratio, biocompatible Aerospace, medical implants
Precious Metals Gold Soft, yellow, highly valuable metal. Non-reactive, ductile Jewelry, electronics, currency
Silver Shiny white metal with the highest electrical conductivity. Antibacterial, reflective Jewelry, solar panels, mirrors
Platinum Dense, corrosion-resistant metal. Catalytic properties, inert Catalytic converters, lab equipment
Refractory Metals Tungsten Extremely high melting point (3,422°C). Hard, dense Filaments, cutting tools
Molybdenum High tensile strength at elevated temperatures. Heat-resistant, alloying agent Aerospace, nuclear reactors
Alkali/ Alkaline Earth Metals Sodium Soft, highly reactive metal. Conductive, reacts violently with water Chemical industry, streetlights
Magnesium Lightweight, flammable metal. Low density, high strength Automotive parts, fireworks
Rare Earth Metals Neodymium Magnetic rare earth metal. Strongest permanent magnets Hard drives, headphones, motors
Lanthanum Soft, malleable metal. Optical glass, battery anodes Camera lenses, hybrid cars
Transition Metals Nickel Hard, ductile, and corrosion-resistant. Alloying agent, magnetic Batteries, coins, stainless steel
Zinc Bluish-white, anti-corrosive metal. Sacrificial anode, coating Galvanizing, batteries

Key Notes:

  • Ferrous Metals: Contain iron; prone to rust (except stainless steel).

  • Non-Ferrous Metals: Lighter, more corrosion-resistant (e.g., aluminum, copper).

  • Precious Metals: High economic value (e.g., gold, platinum).

  • Refractory Metals: Extreme heat resistance (e.g., tungsten).

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