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Brass Product Guide

Brass is a great metal for cold working since it can be molded easily. It is resistant to rust and corrosion and polishes to a beautiful golden hue. Brass is a versatile metal that can be soldered and brazed easily and readily receives plating. The usual composition consists of 70 percent copper and 30 percent zinc. However, increasing the amount of zinc in the material makes it stronger and more pliable, and it also causes the color to become more “golden.” There are several advantages to this material, including its ability to be machined and formed, its high tensile strength, and its ability to be polished.

Table of Contents

230 Brass (Red Brass)

This reddish-orange material lives up to its name. It’s one of the most potent brass products in existence.

C230 Red Brass  
Minimum PropertiesUltimate Tensile Strength, psi40,000
Yield Strength, psi18,000
Rockwell HardnessB77
ChemistryCopper (Cu)84 – 86%
Zinc (Zn)15%
Iron (Fe)0.05% min
Lead (Pb)0.06% min

260 Brass (Cartridge Brass)

C260 has a high zinc concentration (usually 70% copper and 30% zinc), which gives it the ideal balance of tensile properties while keeping copper’s great formability. However, this is accomplished by the high zinc content. Due to its cold workability, this material has several applications, including automobile parts and ammunition components.

C260 Cartridge Brass  
Minimum PropertiesUltimate Tensile Strength, psi62,000
Yield Strength, psi52,200
Rockwell HardnessB77
ChemistryCopper (Cu)68.5 – 71.5
Zinc (Zn)28.5 – 31.5%
Iron (Fe)0.05% max
Lead (Pb)0.07% max

330 Brass

C330 has a low lead concentration and is mainly used for tubing because of its properties. C330 brass has high machinability as well as outstanding cold workability. It is created using shaping, bending, machining, punching, and piercing.

C330 Brass  
Minimum PropertiesUltimate Tensile Strength, psi65,300
Yield Strength, psi50,000
Rockwell HardnessB70
ChemistryCopper (Cu)65 – 68%
Zinc (Zn33.5%
Iron (Fe)0.07% max
Lead (Pb)0.2 – 0.8%

360 Brass (Free Machining Brass)

This material is perfect for machining at high speeds because of its excellent machinability and thread rolling and knurling properties. Its machinability value of 100 is the benchmark against which all other copper alloys are assessed, and no other copper alloy comes close. It’s easy to solder or braze, and it’s corrosion-resistant. Some of the most common uses for this material are in manufacturing gears, pinion, plumbing fittings, valves, and screw machine items.

C360 Free Machining Brass  
Minimum PropertiesUltimate Tensile Strength, psi58,000
Yield Strength, psi45,000
Rockwell HardnessB78
ChemistryCopper (Cu)60 – 63%
Zinc (Zn)35.5%
Iron (Fe)0.35% max
Lead (Pb)2.5 – 3.7%

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Use the handy Speed and Feed Calculator on Sawblade.com to determine the correct blade speed and blade tooth pitch based on the material you are cutting.

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6938 Barney Rd
Houston, Texas 77093
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Our sawing capabilities include a large range of metals, castings, plastics or molded parts. You can count on Houston Metal Sawing to deliver your parts on time and within budget.