Aluminum 1100: Relatively light alloy compared to others in the 1xxx series, high electrical conductivity, thermal conductivity, corrosion resistance, and workability.  Typically used in the plumbing and lighting industries. 

Aluminum 2024: Perfect application for gears, shafts, and fasteners when high strength-to-weight ratio is necessary. 

Aluminum 5052: Commonly used in sheet metal applications due to corrosion resistance. 

Aluminum 6061: Typically used for prototypes, military, and aerospace applications due to being easily machined and lightweight. 

Aluminum 6063: It is nonmagnetic and heat treatable and most commonly used outdoors as architectural trim, railings, and door frames. 

Aluminum 7050: High-strength material that resists fatigue and stress and most commonly used for structural applications. 

Aluminum 7075: Hard and high strength aluminum alloy typically used for extrusion of aluminum bars, pipes, rods, and tubes.  Common applications include bicycle frames, electrical fittings, and heat sinks. 

Copper 101: Used in the telecommunications industry and has high electrical conductivity. 

Copper 260 (Brass): Great for radiator components and decorative door hardware.

Copper C110: Most conductive grade copper used for electrical applications.

Copper C360 (Brass): Easily machinable brass that is great for prototyping gears, fittings, valves, and screws. 

Copper C932 (Bronze): Easily machinable and resistant to corrosion, typically used for light-duty applications. 

Stainless Steel 15-5: Improved workability, hardness, and high corrosion resistance, most commonly used in high pressure corrosive environments and for aircraft components. 

Stainless Steel 17-4: A high strength, corrosion resistant stainless alloy that is easily heat treatable, and typically used in medical equipment, petroleum and chemical industries, and aircraft parts.

Stainless Steel 303: Machinable, corrosion-resistant steel, typically used for nuts and bolts, screws, gears, aircraft, fittings, bushings, and shafts. 

Stainless Steel 304: Machinable, corrosion-resistant steel, used in a wide variety of home and commercial applications.  These include kitchen benches, sinks, troughs, equipment, appliances, chemical containers, and food processing equipment. 

Stainless Steel 316/316L: A highly corrosion-resistant steel popular for medical devices, exhaust manifolds, furnace parts, heat exchangers, jet engine parts, evaporators, tanks, valve and pump parts, and chemical processing equipment. 

Stainless Steel 416: Easily machinable, but has low corrosion resistance.  Typically used for nuts and bolts, pumps, valves, automatic screw machine parts, washing machine components, studs, gears, and electrical motors. 

Stainless Steel 420: Offers mild corrosion resistance, high heat resistance, and improved strength and contains more carbon than stainless 410 to give it increased hardness and strength when heat treated.  Typically used for shear blades, needle valves, surgical equipment, and cutlery.  

Steel 1018: Suitable for forming and welding due to low carbon content. 

Steel 4130: Often used in gears and fasteners due to great weldability. 

Steel 4140: Low alloy steel containing chromium.  Widely used across numerous industries and is excellent material choice due to its toughness, high fatigue strength, and abrasion and impact resistance. 

Steel A36: A standard architectural, low-carbon steel.  Has high strength and toughness, commonly used in the automotive industry, construction, heavy equipment, and oil and gas industry. 

Titanium (Grade 2): High strength, low weight, and high thermal conductivity.  Ideal for applications in the aerospace, automotive, and medical industries. 

Titanium (Grade 5): Most commonly used titanium, offering good corrosion resistance, weldability, and formability.

Zinc Alloy: Has good electrical conductivity and is highly resistant to corrosion.  This alloy is readily treatable for painting, plating, and anodizing.