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CNC Machining in Brass

Brass is a versatile metal combines the ductility of copper with the strength and machinability of zinc, offering a unique combination of strength, corrosion resistance, and aesthetic appeal.

Advantages of Brass

Brass is a copper-zinc alloy that offers a balance of strength, durability, and aesthetic appeal. Brass is favored in applications where both functionality and visual appeal are essential.

Key Features
Durability
Malleability and Formability
High Corrosion Resistance
Recyclability

Available Brass Specifications

The following table shows common brass alloys. If you have any other alloy requirements, please contact us.

Brass C260

Tensile Strength
Elongation at Break
Hardness
Density

71,000 – 81,000 PSI

30%

Rockwell B77

0.308 lb/in³
(8.53 g/cm³)

Brass C360

Tensile Strength
Elongation at Break
Hardness
Density

49,000 – 68,000 PSI

53%

Rockwell B78

0.307 lb/in³
(8.49 g/cm³)

Brass Surface Finishes

The following table shows common surface finishes for brass.

Bead Blast

Heat Treat

Electroless Nickel Plating

Polishing

Gold Plating

Silver Plating

Powder Coating

Brass FAQs

  • What is the difference between bronze and brass?
    Bronze is widely regarded as easier to machine compared to many other materials, thanks to its relatively soft and machinable nature. It generates shorter, more manageable chips during machining and causes less tool wear compared to harder materials.
  • Does bronze tend to generate cutting vibration during CNC machining?
    Yes, bronze tends to generate cutting vibration during CNC machining. This is mainly due to its softness, which makes it prone to vibration under cutting forces. Therefore, careful control of cutting parameters is needed to minimize the impact on machining quality.
  • What is the hardness of brass?
    The hardness of brass varies depending on its composition. Generally, brass has lower hardness but can be increased through heat treatment or by adding other elements.
  • What are the material properties of brass?
    Brass has good machinability, corrosion resistance, and conductivity. It also exhibits good thermal conductivity and ductility, making it an ideal material for manufacturing various products.
  • When considering ease of machining, is brass a better material choice than aluminum?
    Brass is typically easier to machine than aluminum because of its softer nature. This results in less tool wear, lower cutting forces, and shorter, more manageable chips during machining.