Brass
Custom Brass Machining Service
Get high-precision brass CNC machining solutions at competitive prices, from prototyping to manufacturing, get prototypes and parts with complex geometries and surfaces in a few days.
- Fast Turn-around Production
- Competitive & Affordable Price
- High Quality and Consistency
- Excellent Customized Service
- State-of-the-Art Technology
- Quote Within 24 Hours
Our Brass Machining Capabilities
Copper is a highly conductive metal known for its excellent electrical and thermal conductivity, corrosion resistance, and malleability. It is widely used in electrical wiring, plumbing, roofing, and industrial machinery. Copper alloys, like brass and bronze, are also commonly used for various engineering and decorative applications.
Price | $$$ |
Lead Time | <5 days |
Wall Thickness | 0.5 mm |
Tolerances | ±0.005″ (±0.125mm) |
Max Part Size | 200 cm x 80 cm x 100 cm |
Available Brass at NOBLE | H59, H62, H63, H65, H68, H70, H80, H90, H96 |
Characteristics of Brass Machining Materials
Brass parts machining and manufacturing is one of our main type,below is some common information about Brass.
Features | Info |
Subtypes | Ordinary brass, special brass, naval brass, lead-free brass |
Process | CNC machining, laser cutting, sheet metal fabrication,die casting,bending |
Tolerance | ±0.005″ (±0.125mm) |
Applications | Pipes or pipe fittings, electronic components,decorations, artwork, coins, medals |
Finishing Options | Mirror polish, eletroplating, chemical etching, anodize |
Pros and Cons of Brass for CNC Machining
Brass is an excellent material for CNC machining for ease of machining, good corrosion resistance, and aesthetic appeal. It’s commonly used for components such as fittings, connectors, decorative items, and small mechanical parts.
Versatile Alloy Composition
Brass’s alloy composition can be flexibly adjusted according to specific application needs. For instance, increasing the zinc content enhances its hardness and wear resistance, while adding a small amount of lead improves its machinability and cutting performance.
Wide Range of Applications
Brass CNC-machined parts are widely used in multiple industries for their conductivity, corrosion resistance, aesthetic appeal, and durability. Applications include electrical connectors, plumbing products, gears, bearings, turbine blades, and aerospace parts.
Efficient Machining Process
Brass’s high ductility and machinability make the CNC machining process more efficient. Compared to some difficult-to-machine materials, brass has a higher cutting rate, significantly reducing machining time and lowering production costs.
Excellent Dimensional Stability
Brass exhibits low deformation during machining, meaning it is resistant to shape changes when subjected to external forces. This dimensional stability is crucial for manufacturing parts with tight tolerances, ensuring the dimensional accuracy and shape stability of the machined parts.
Environmental Friendliness and Sustainability
Brass is a fully recyclable material, aligning with current environmental and sustainability requirements. When the lifecycle of brass products ends, they can be recycled and reused, reducing resource waste and environmental pollution. Additionally, the machining process for brass is relatively environmentally friendly, generating no toxic byproducts or harmful emissions.
Aesthetic Golden Appearance
Brass has a natural golden appearance, making it ready for use in many applications without additional coatings or surface treatments. This golden aesthetic not only enhances the beauty of the product but also increases its value and appeal.
Handling of Machining Byproducts
During CNC machining of brass, a significant amount of machining byproducts, such as chips and powders, are generated. These byproducts need to be properly handled to prevent environmental pollution.
Tool Wear
Although brass has a high cutting rate, prolonged machining can still cause wear on cutting tools. This is primarily because certain components in brass (such as zinc) may react chemically with the cutting tool, accelerating tool surface wear.
Cost Considerations
Some special brass alloys may have higher costs, depending on their composition and manufacturing process. For example, brass alloys with high zinc or lead content may be priced higher. Therefore, when selecting brass materials, it is necessary to weigh the balance between cost and performance.
Vibration During Machining
Due to brass’s good ductility, vibration may occur during the CNC machining process. This vibration can affect machining accuracy and surface finish, and even lead to damage to the machined parts or tool failure. Therefore, appropriate measures should be taken to reduce vibration during the machining process.
Types of Brass Machining Materials
Brass is a versatile alloy of copper and zinc, often combined with small amounts of other elements to enhance specific properties such as machinability, strength, corrosion resistance, or thermal and electrical conductivity. The choice of brass CNC machining material depends on the application’s functional requirements, such as durability, precision, and environmental conditions. Below are the common types of brass materials used in machining:
Brass H59
An economical brass material characterized by high strength and hardness. It maintains excellent pressure processing properties during heat treatment and demonstrates good corrosion resistance. As such, it is frequently utilized in the manufacture of various mechanical parts, welded components, and hot-punched and hot-rolled parts.
Yield Strength(MPa): ≈180MPa
Elongation at Break(%): ≥25
Hardness(Brinell): 100~163HB
Density(G/m³): ≈8.4~8.7 G/m³
Maximum Temp: 1340~1500℉
Brass H62
Featuring good mechanical properties and plasticity, particularly under hot conditions. It exhibits excellent cutting performance, is easy to weld and braze, and possesses good corrosion resistance. These attributes make H62 brass an ideal choice for producing screws, rivets, washers, nuts, and radiator components.
Yield Strength(MPa): 250-350MPa
Elongation at Break(%): ≥2.5~35%
Hardness(Brinell): 80~115HB
Density(G/m³): ≈8.5 G/m³
Maximum Temp: 1200~1560℉
Brass H63
Offers adequate strength and plasticity, making it suitable for pressure processing in the cold state. It also has good welding and polishing properties, and is commonly used in the manufacture of screws and round rollers for pickling processes.
Yield Strength(MPa): 240-400MPa
Elongation at Break(%): ≥2.5~35%
Hardness(Brinell): ≤187HB
Density(G/m³): ≈8.4~8.7 G/m³
Maximum Temp:960~1560℉
Brass H65
Its properties lie between H68 and H62 brass, possessing high strength and plasticity, allowing it to withstand both cold and hot pressure processing. Its relatively low price makes it suitable for the production of small hardware, daily necessities, small springs, screws, rivets, and mechanical parts.
Yield Strength(MPa): 200~300MPa
Elongation at Break(%): ≥4~40%
Hardness(Brinell): 50~80HB
Density(G/m³): ≈8.4~8.7 G/m³
Maximum Temp:1380~1530℉
Brass H68
Distinguished by its excellent plasticity and high strength, along with good machinability and ease of welding. It remains stable against general corrosion, leading to its widespread application in the manufacture of complex cold-punched and deep-drawn parts such as radiator housings, conduits, bellows, cartridge cases, and gaskets.
Yield Strength(MPa): ≈205MPa
Elongation at Break(%): 10~15%
Hardness(Brinell): 90~120HB
Density(G/m³): ≈8.5 G/m³
Maximum Temp:750~830℉
Brass H70
Boasting exceptional plasticity and relatively high strength, along with good machinability and ease of welding, it is widely used in various applications requiring high strength and excellent processing performance.
Yield Strength(MPa): ≈205MPa
Elongation at Break(%): ≥18~43%
Hardness(Brinell): 100~150HB
Density(G/m³): ≈8.5 G/m³
Maximum Temp: ≈570℉
Brass H80
H80 is high-precision brass with high strength and plasticity, as well as corrosion resistance in atmospheric, fresh, and sea water environments. This is typically used in situations requiring higher corrosion resistance.
Yield Strength(MPa): 220~350MPa
Elongation at Break(%): ≥30%
Hardness(Brinell): 80~120HB
Density(G/m³): ≈8.4~8.7 G/m³
Maximum Temp: ≈480 ~570℉
Brass H90
Similar in performance to H96 but with higher strength, H90 can be plated with metal or enameled. It is commonly used in the manufacture of products such as case bands and bimetallic strips.
Yield Strength(MPa): 280~400MPa
Elongation at Break(%): ≥30%
Hardness(Brinell): 40~100HB
Density(G/m³): ≈8.4~8.7 G/m³
Maximum Temp: ≈400℉
Brass H96
With a high copper content, H96 exhibits excellent electrical conductivity, thermal conductivity, machinability, and corrosion resistance. It is frequently used in electronic connections, the automotive manufacturing industry, or in damp environments.H96 brass, with its high copper content, excellent electrical and thermal conductivity, processability, and corrosion resistance, has wide applications in electronics, construction, and automotive manufacturing.
Yield Strength(MPa): 300~450MPa
Elongation at Break(%): ≥45%
Hardness(Brinell): 80-120 HB
Density(G/m³): ≈8.4~8.7 G/m³
Maximum Temp: ≈400~570℉
Surface Finishing Options for Brass Machining
Surface finishing is an essential process in brass machining that enhances the material’s appearance, functionality, and durability. Different finishing techniques are used based on the specific requirements of the application, such as corrosion resistance, electrical conductivity, or aesthetic appeal. Below are the most common surface finishing options for brass machining:
Chemical Polishing
Utilizes chemical reagents to selectively dissolve uneven areas on the surface of a sample, thereby eliminating grinding marks and achieving an etching and flattening effect.
Electroplating
Electroplating reduces metal cations in the electrolyte solution, producing a metallic coating on a metal surface. This process can be used for purposes of corrosion and wear resistance, as well as for decorative purposes.
Brushing
Our brushing technique uses abrasive belts over the material to create diverse patterns that match the parts’ structure and color.
Passivation
Passivation involves forming a dense oxide film on the metal surface through a chemical reaction, significantly enhancing the corrosion resistance of brass.
Electrical Discharge Machining
EDM is a method that utilizes the electrolytic erosion effect of pulsed discharges to process workpieces.
Painting
Painting involves Spray droplets can be dispersed uniformly or in fine amounts to cover a wide surface area and bring out greater color to the part.
Laser Carving
Helpful in brand recognition or parts organization, we use laser carving that applies various printing methods during full-scale production to quickly embed barcodes, lettering and logos on the parts.
Band Blasting
Band blasting cleans the surface of any impurities and peels coating through the propelling of blast media streams over the parts.
Custom Brass Machining Parts Display
Check out our over a decade of precision custom brass machining parts, including precision brass machining prototypes and parts from our valued customers.
Applications of Brass CNC Machining
Brass CNC machining is a widely used manufacturing process because brass has unique properties such as excellent machinability, corrosion resistance, electrical and thermal conductivity, and aesthetics. NOBLE uses CNC machining equipment to manufacture precision and complex parts from brass. It is widely used in many fields such as electronics, construction, automotive, aerospace, and medical. The following are the main industries and uses:
Automotive Industry
Brass CNC machining is a critical manufacturing process in the automotive industry, offering a precise, reliable, and efficient way to produce high-performance components. Brass, a copper-zinc alloy, is highly regarded in automotive engineering for its strength, durability, and corrosion resistance, all of which are essential in the demanding environments encountered by vehicles. The integration of CNC machining technology ensures accuracy, repeatability, and scalability, making brass components indispensable in modern automotive systems.
Robotics Industry
Brass CNC machining is an essential process in the robotics industry, delivering high-quality components that meet the demands of precision, durability, and efficiency. Robotic applications require materials that can withstand mechanical stress, maintain reliability during long periods of operation, and perform consistently under a variety of environmental conditions. Brass, a copper-zinc alloy, is the preferred choice for many robotic components due to its excellent machinability, corrosion resistance, and excellent electrical and thermal conductivity.
Aerospace Industry
Brass CNC machining is a critical process in the aerospace industry, delivering precision-engineered components that meet the stringent requirements of this highly specialized field. Brass, a versatile copper-zinc alloy, meets these criteria while also offering excellent machinability as well as electrical and thermal conductivity. The CNC machining process can produce complex and highly accurate brass parts. This combination of material properties and advanced technology makes brass CNC machining a valuable resource for the development and maintenance of aerospace systems.
Medical Industry
Brass CNC machining is a transformative process for the medical industry, producing components that meet the stringent precision, reliability, and hygiene standards required for healthcare applications. CNC machining uses automated tools to create complex and high-precision parts from brass, a copper-zinc alloy known for its excellent machinability, durability, and unique antimicrobial properties. These qualities make brass the material of choice for medical devices, instruments, and equipment that are critical to patient care and safety. Brass combined with the precision of CNC machining ensures these requirements are met, leading to advances in medical technology and improved healthcare outcomes.
New Energy Industry
Brass CNC machining is a cornerstone of the new energy industry, delivering high-quality components that enhance the efficiency, reliability, and sustainability of renewable energy systems. Whether in solar panels, wind turbines, energy storage systems, or hydrogen fuel cells, brass components meet the demanding requirements of this innovative field. As the world continues its transition to cleaner energy sources, brass CNC machining will remain integral to the development and success of cutting-edge technologies in the new energy sector.
Industrial Equipment Industry
Brass CNC machining plays a critical role in the industrial equipment industry, where precision, durability, and efficiency are essential for manufacturing and operational processes. Industrial equipment encompasses a wide range of machinery, tools, and systems used in sectors such as manufacturing, construction, energy, agriculture, and transportation. Components for these applications must meet stringent requirements, including resistance to wear, corrosion, and high mechanical stress. Brass, a copper-zinc alloy, is a favored material in this field due to its excellent machinability, durability, and versatile properties.
If you are looking for a rapid prototyping manufacturer or a CNC machine shop to fabricate small, medium-volume, or mass-production products, NOBLE is an ideal choice.Our well-trained and experienced staff manufactures parts in line with drawings on modern CNC machines, with the highest accuracy and processing quality in all sizes.In addition, we provide professional design considerations for your CNC machining projects.
Want to get the most professional and fastest service for your CNC machining project? Upload your CAD files now and obtain a quote!