Precision Engineering & Bespoke Brass Solutions for Every Industry
Custom brass fabrication services
Take advantage of our professional custom brass fabrication services to enhance the quality and cost-effectiveness of your projects. We specialize in using state-of-the-art technology and expert craftsmanship to bring your complex structural designs to life. From architectural trim to high-performance industrial components, we provide durable, high-quality custom brass fabrication solutions that meet your exact specifications.
- On-time delivery
- Extensive experience
- Professional technical knowledge
- Rapid Prototyping Services
- Complete manufacturing capacity
- Real Manufacturer Factory Price
All information is safe and confidential
What is Custom brass fabrication services ?
Custom brass machining services involve shaping, cutting, and finishing raw brass alloy materials through highly specialized engineering processes to produce precise components designed for specific applications. Brass offers a unique balance of mechanical properties: excellent machinability, high tensile strength, inherent corrosion resistance, and superior electrical conductivity.
By employing a range of advanced manufacturing technologies—such as precision CNC brass machining, custom metal stamping, and deep drawing—brass materials can be shaped to meet complex structural requirements and are widely used across various industries.
In the fields of fluid management and piping, machined brass valves and fittings offer unmatched resistance to water corrosion, ensuring decades of leak-free reliability.
In the electronics industry, custom stamped brass components serve as highly efficient contacts and terminals that do not deform under stress, thereby providing stable thermal and electrical conductivity.
Forged brass is widely used in the automotive and heavy machinery sectors to manufacture low-friction, spark-free gears and bearings that can withstand extreme mechanical wear.
Supro MFG is a specialized manufacturer of custom brass components, ensuring that your designs are brought to life with uncompromising precision. By employing targeted machining methods that fully leverage the unique properties of brass, we provide industries with durable, tightly toleranced products that significantly outperform standard metal alternatives in terms of service life and operational efficiency.
Contact our team of experts for more specialty aluminum alloy material options.
highly prized for its exceptional strength-to-weight ratio, corrosion resistance, and thermal conductivity.
Comprehensive custom brass fabrication capabilities
We employ state-of-the-art brass manufacturing processes, including precision CNC machining, welding, and custom stamping, to transform alloy raw materials into components with tight tolerances. We ensure that, while meeting complex engineering requirements, we achieve unparalleled precision, structural integrity, and efficiency, as well as exceptional cost-effectiveness.
brass products offer excellent corrosion resistance and thermal conductivity
Why Choose brass Fabrication
for Your Next Project?
Choosing custom brass machining services is a manufacturing solution that leverages brass’s unique mechanical properties to address the challenges of producing complex structural products. Brass alloys possess distinctive metallurgical characteristics: excellent machinability, high tensile strength, and inherent corrosion resistance. Unlike standard parts, the machining of custom brass parts requires ensuring that each component is rigorously calibrated to maximize performance, durability, and cost-effectiveness in its specific operating environment, and that custom alloy grades optimized for demanding applications are selected.
- Excellent Machinability Ensures High Precision
Thanks to its excellent machinability, brass can be machined at high speeds using CNC machines with minimal tool wear. Custom gears, bushings, and structural components can be manufactured to extremely tight tolerances. - Inherent Corrosion Resistance Ensures Long Service Life
Brass offers outstanding corrosion resistance, maintaining structural integrity even under harsh conditions. Custom-machined brass valves, pipe fittings, and pump housings guarantee decades of reliable service. - Excellent Thermal and Electrical Conductivity
Custom-stamped brass terminals, connectors, and switchgear ensure stable, low-resistance signal and power transmission while maintaining high efficiency in heat and electrical conductivity.
Low Friction and Spark-Free Safety Features
Custom brass parts feature an excellent low coefficient of friction, ensuring safe operation and long-term wear resistance in heavy-duty machinery and tool applications operating in petrochemical or explosive environments.
Choose professional, custom brass machining services, which are ideal for creating high-performance parts tailored to specific applications across various industries and deliver exceptional cost-effectiveness.
Contact our team of experts for more specialty aluminum alloy material options.
Ensure optimal machinability, strength, and compliance for your custom applications
Custom brass fabrication parts material solutions
In custom brass machining services, selecting the correct metal grade is key to determining the product’s properties. Due to differences in the proportions of copper, zinc, lead, tin, aluminum, and silicon in their compositions, different brass grades vary significantly in terms of machinability, ductility, corrosion resistance, and electrical conductivity.
Grade
Mechanical Properties and Features
Processes and Applications
C36000
Free-Machining Brass
Serves as the 100% benchmark for brass machinability. It has a high lead content, produces brittle chips, and yields an extremely smooth machined surface.
Precision CNC Turning/Milling
Most commonly used for manufacturing threaded fasteners, fluid connectors, valve cores, instrument bushings, and various high-precision machined parts produced in batches.
C26000
Cartridge Brass
It has the highest ductility of all brass alloys, offers excellent cold working and forming properties, and has high tensile strength.
Sheet Metal Stamping and Deep Drawing
Widely used in the manufacture of stamped parts such as electronic terminals, spring plates, automotive radiator fins, housings, and cartridge cases.
C46400
Naval Brass
Contains trace amounts of tin, offering exceptional resistance to dezincification corrosion in seawater and harsh chemical environments, as well as high strength.
Forging and Marine Engineering
Commonly used in marine hardware, propeller shafts, underwater fasteners, and heavy-duty industrial condenser tube sheets.
C37700
Forged Brass
It offers excellent hot-forming properties and thermoplasticity, is resistant to cracking during hot forging, and retains good machinability.
Hot Forging
Widely used in the manufacture of complex architectural hardware, high-pressure valve bodies, piping manifolds, and core components that require high structural density.
C23000
Red Brass
With a copper content of up to 85%, it has an elegant reddish-gold color. It possesses natural resistance to stress corrosion cracking and excellent wear resistance.
Architectural Decorations and High-End Plumbing Fixtures
Commonly used in high-end hardware, musical instruments, architectural exterior trim, and heat exchanger tubes for condensers.
C69300
Lead-Free Brass
Bismuth or silicon is used in place of traditional lead, ensuring full compliance with stringent drinking water safety regulations and environmental protection directives (RoHS/REACH).
Medical, Food, and Drinking Water Systems
Specializing in components for precision medical equipment, valves for drinking water systems, water purifier fittings, and environmentally friendly electronic components for the European and North American markets.
No design files? Let Supro MFG do it for you.
We often come across clients who have no professional design drawings and documentation, only a creative idea, which leads to the project being at a standstill.
If you are in this situation, then contact our team of experts.
Supro MFG, as an industry-leading custom brass fabricator, has an ever-experienced team of engineers who utilize their extensive fabrication experience and technical expertise to build your idea into a real product and create design files such as STEP/STP/SLDPRT/DXF/PDF/PRT/DWG/AI.
That’s what makes SUPRO MFG so great, and 2,000 corporate, entrepreneurial, artist, and other purchasers from around the world enjoy working with us and benefiting from our one-stop custom brass fabrication services.
Surface treatment of brass fabrication parts
Supro MFG will choose the right materials, accessories, manufacturing process, etc. according to your needs and application. At the beginning of custom brass fabricated projects, all fabrication details will get your permission. Helping you to complete your project with the easiest and most efficient way.
electroplated
A metal protective film, improve wear resistance, conductivity, reflectivity, corrosion resistance and enhance the role of aesthetic.
Brushed polished
It presents a glossy metallic texture with an even grain that enhances the aesthetics of the product.
laser engraving
Commonly used for engraving on the surface of parts, logos, product descriptions, or complex patterns.
screen printing
Printing paint onto the surface of a product creates content of any shape and color that is hard-wearing and beautiful.
Our extensive experience in aluminium fabrication helps us to avoid machining defects
Solutions to Machining Defects in Aluminium fabrication Products
Stress Corrosion Cracking in Brass Following Cold Working and Stamping
Brass that has undergone deep drawing or milling with a large cutting depth accumulates internal residual stresses, making it highly susceptible to sudden and unpredictable structural cracking (seasonal cracking) in humid environments or those containing trace amounts of ammonia.
Our solution:
Supro Mfg typically employs an automated stress-relief annealing process after forming to eliminate internal residual stresses during brass processing, while fully maintaining the dimensional tolerances and structural hardness of your custom parts.
High Thermal Expansion Causes Dimensional Deviations in Custom Brass Parts
Process Challenge: Brass has a high coefficient of linear expansion. The cutting heat generated during high-speed machining causes the workpiece to expand thermally, leading to dimensional shrinkage after cooling. This makes it extremely difficult to maintain ultra-tight tolerances within ±0.01 mm.
Our Solution:
We utilize climate-controlled machining cells and continuous flood-cooling stabilization to counter thermal elongation, ensuring microscopic dimensional accuracy is maintained across complex, high-tolerance brass fabrication production runs.
Severe Burrs Caused by the High Ductility of Brass Materials
Some high-copper brass grades (such as C260) are extremely ductile, making them highly prone to forming thick metal burrs along the edges during drilling, milling, or cutting. Manual deburring is costly and prone to scratching the surface.
Our Solution:
By optimizing tool geometry and deploying high-speed automated deburring systems, we eliminate micro-burrs instantly, delivering pristine edges and cost-effective component consistency for all precision brass fabrication requirements.
Work Hardening and Material Tearing in Deep Drawing of Brass
When forming complex deep-drawn parts, brass undergoes rapid work hardening under severe deformation. If the cold working ratio is not properly controlled, bottom tearing or edge tearing may occur.
Our Solution:
We employ multi-stage progressive dies combined with strategic inter-stage induction annealing to ensure that this ductile material flows smoothly without cracking when subjected to demanding, high-tonnage cold forming operations during brass manufacturing.
Why choose Supro MFG's brass fabrication Services
When searching for a reliable manufacturing partner, precision, consistency, and material expertise are non-negotiable. Supro MFG is more than just a parts supplier—we are a trusted partner in your supply chain. With extensive experience in non-ferrous metal metallurgy, we actively provide comprehensive, custom brass machining services tailored to meet the strict tolerance requirements of the aerospace, medical, automotive, and fluid control industries.
Expertise: Our in-house manufacturing team has a deep understanding of the structural details of various brass grades. From high-speed CNC turning of C360 free-cutting brass to complex deep drawing of C260, we maximize material utilization and mechanical integrity.
ISO-Certified Quality Assurance: Every stage of our brass machining process is governed by a rigorous ISO-certified quality management system. We utilize advanced coordinate measuring machines (CMMs) and optical dimensional inspection technology to ensure absolute compliance with your CAD specifications.
Scalable Manufacturing Capabilities: Equipped with state-of-the-art 4-axis and 5-axis CNC machining centers, high-tonnage forging presses, and automated stamping lines, we can take your project from rapid prototyping to high-volume production.
End-to-End Cost Efficiency: As a direct manufacturer, we eliminate markups from middlemen. By optimizing every step—from raw material procurement and primary machining to secondary surface finishing—we significantly shorten lead times and reduce your total cost of ownership (TCO).
By combining advanced manufacturing technologies with rigorous quality control, Supro MFG ensures that your custom brass parts are delivered on time and within budget, featuring superior design and exceptional cost-effectiveness.
Provide the most cost-effective cost solution for manufacturing and assembling products, expanding product competitiveness.
a technical team specializing in custom shell manufacturing for more than 30 years.
Advanced Manufacturing Equipment: Industry-leading custom metal enclosure manufacturer with in-house sheet metal, die casting, precision machining workshops, and surface coating workshops.
ISO 9001-2015, PPAP III level, RoHS, NEMA, CE and other certified production standards.
24H*7 online English technical support: The professional English team responds quickly to users’ technical questions online at any time.
help users from product design, prototype, batch manufacturing, surface treatment, assembly and packaging, transportation and a series of value-added services.
With in-house mechanics and chemistry laboratories, it can quickly monitor manufacturing process quality control to ensure the delivery of high-quality products.
Accept to sign NDA documents to ensure that customers‘ product information is protected.
Door-to-door delivery in customizable secure packaging after complying with the delivery details agreed with the customer.
Securing Your Designs with Enterprise-Grade Confidentiality at Every Stage of Manufacturing
Your Innovation, Protected:
Uncompromising IP Security & NDA Compliance
At Supro MFG, your proprietary designs are treated as your most valuable assets. As a trusted manufacturing partner for precision aluminum fabrication services, our commitment to protecting your intellectual property is absolute. We operate under a strict Zero-Leak Policy, ensuring that every blueprint, CAD model, and prototype remains completely secure within our encrypted engineering ecosystem.
We proactively provide comprehensive Non-Disclosure Agreements (NDAs) that fully align with international legal standards, giving you total peace of mind before file sharing begins. Our internal security protocols enforce segmented data access, encrypted servers, and restricted workshop access. Whether you are an OEM protecting sensitive industrial designs or an outdoor brand launching a new product line, Supro MFG acts as a secure, confidential extension of your team.
performance and application industry
Custom brass machined parts are manufactured into precision CNC-machined threaded fasteners, bushings, and gears for automotive assemblies; stamped electrical terminals and connectors for electronic devices; and forged valve bodies, manifolds, and fittings for heavy-duty piping systems. All of these products offer exceptional wear and corrosion resistance.
F.A.Q
Supro MFG is a professional Chinese sheet metal manufacturer, we specialize in the design and manufacture of custom sheet metal parts fabrication and Sheet metal Prototype, ISO 9001-2015 certified, providing a full range of sheet metal parts fabrication solutions and technical support .
We are not a trader, all products are done in our in-house factory, we have a reliable supplier of surface treatment, heat treatment, and standard parts to support us, and we can provide you with economical sheet metal manufacturers ex-works prices.
We have our own sheet metal fabrication factory, welding workshop, laser cutting workshop, and precision CNC Machining workshop, with a total area of more than 3000 square meters, with 12 technical engineers, 36 skilled workers, 6 quality engineers, and a professional English sales team.
Of course, we keep all the customer's information confidential, sign a non-disclosure agreement, our factory will not allow unrelated personnel to enter without authorization, your product design and patented technology will be protected by us.
Yes, we have rich manufacturing experience and technical knowledge, can draw professional design files (including: STL/STEP/IGES/PDF/CAD, etc.) according to your ideas, and provide you with free manufacturability solutions. Actively help you optimize product design, reduce costs, and make your product design more dynamic in the sales market.
From raw materials to finished packaging, we will provide you with reliable quality inspection reports and photos at any time. If you need an authoritative third-party inspection report, we can also actively cooperate to ensure that you will receive high-quality products.
T/T, Paypal western union, L/C, and other channels you suggest (contact us for negotiation).
Yes, we can provide system documentation for PPAP level3.
Our quotations are all factory quotations from manufacturers, and all manufacturing costs and labor costs are traceable. We all use the raw materials of authoritative manufacturer brands, refuse to cut corners, and all products are subject to our quality control.
While there are plenty of small businesses that offer you a very low price, the quality can be at risk.
What your project needs more is the guarantee of high-quality products and on-time delivery, not high-risk.
We do not set a minimum order quantity. Whether you need a small amount of prototypes or large quantities, we will treat you equally and provide you with a full range of manufacturing services and technical support.
We will develop a detailed production plan, every point in time will be practically verified, and all processes are under our monitoring to ensure on-time delivery of high-quality products. (Except for the influence of force majeure factors)
Once there is a signal of delay, we will organize more production capacity to ensure on-time delivery.
Only 4 steps
online custom brass fabrication Quote services
Contact our experts team and experience the efficiency and economic benefits of digital metal fabrication services.
Upload Design Files
STL , STEP (.stp), IGES (.igs), (.ZIP), or PDF.
Also be a sample or an idea
Quote & Design Analysis
Instant factory quotes and DfM reports, the most reasonable solution.
Manufacturing Begins
Digital processes can initiate order tasks within 24 hours.
On-Time Delivery
Keeping delivery promises, approved by 3000+ Global Company buyers.
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Looking for a reliable and economically competitive brass fabricator?
Please contact our expert team to quickly start your next custom brass parts fabrication project.
And benefit from it.