Precision Brass Parts Manufacturing
Excellence in Brass Machining & Fabrication
Transform your designs into high-quality brass components with PartsProto's advanced manufacturing capabilities. From prototypes to production runs, we deliver exceptional brass parts with unmatched precision and reliability.
Why Choose Brass for Your Project?
Brass combines excellent machinability with superior corrosion resistance and aesthetic appeal, making it the ideal choice for a wide range of applications.
Superior Machinability
Brass machines 30% faster than steel with exceptional surface finish
Natural Antimicrobial
Inherent antimicrobial properties ideal for medical and public applications
Excellent Conductivity
Superior electrical and thermal conductivity for electronic components
Aesthetic Appeal
Natural golden luster with various finishing options available
Corrosion Resistant
Excellent resistance to water, chemicals, and atmospheric corrosion
100% Recyclable
Environmentally friendly material with high scrap value
Technical Specifications
Dimensional Capabilities
Production Capacity
Quality Assurance
Brass Alloy Selection Guide
Our comprehensive brass alloy inventory ensures optimal material selection for your specific application requirements.
Free-Machining Brass
C360 (Free-Cutting Brass)
61.5% Cu, 35.5% Zn, 3% Pb
- • Excellent machinability
- • Good corrosion resistance
- • High-speed machining capability
Applications: Fittings, Valves, Fasteners, Gears, Lock components
C385 (Architectural Bronze)
57% Cu, 40% Zn, 3% Pb
- • Superior machinability
- • Excellent hot forging
- • Good strength
Applications: Architectural hardware, Hinges, Lock bodies, Decorative items
Lead-Free Brass
C46500 (Naval Brass)
60% Cu, 39.2% Zn, 0.8% Sn
- • Excellent corrosion resistance
- • Good strength
- • Marine environment suitable
Applications: Marine hardware, Pump shafts, Propeller shafts, Condenser plates
C69300 (Eco Brass)
75% Cu, 23% Zn, 2% Si
- • Lead-free
- • Excellent machinability
- • Drinking water safe
Applications: Plumbing fixtures, Water meters, Food equipment, Medical devices
High-Strength Brass
C26000 (Cartridge Brass)
70% Cu, 30% Zn
- • High strength
- • Good cold working
- • Excellent corrosion resistance
Applications: Ammunition casings, Radiator cores, Springs, Electrical components
C51000 (Phosphor Bronze)
95% Cu, 5% Sn, 0.2% P
- • High strength
- • Excellent wear resistance
- • Good spring properties
Applications: Springs, Bearings, Gears, Electronic connectors
Advanced Manufacturing Processes
🔨 CNC Milling
Multi-axis milling for complex geometries and tight tolerances
- ✓3, 4, and 5-axis machining
- ✓High-speed machining
- ✓Complex 3D contours
- ✓Deep pocket milling
🔄 CNC Turning
Precision turning for cylindrical and rotational parts
- ✓Live tooling
- ✓Swiss-type machining
- ✓Thread cutting
- ✓Eccentric turning
⚡ EDM Machining
Electrical discharge machining for intricate features
- ✓Wire EDM
- ✓Sinker EDM
- ✓Small hole drilling
- ✓Complex internal geometries
🔧 Secondary Operations
Complete part finishing and assembly services
- ✓Threading & tapping
- ✓Deburring
- ✓Assembly
- ✓Laser marking
Professional Surface Finishes
Mechanical Finishes
Polished
Mirror-like finish for decorative applications
Brushed
Uniform directional texture
Bead Blasted
Matte, uniform surface texture
Tumbled
Smooth, deburred finish
Protective Coatings
Clear Lacquer
Preserves natural brass color
Nickel Plating
Silver appearance with enhanced durability
Chrome Plating
Bright, hard, corrosion-resistant finish
Gold Plating
Premium aesthetic and conductivity
Patina Finishes
Antique Bronze
Aged, dark bronze appearance
Oil-Rubbed
Deep, rich brown finish
Blackened Brass
Modern matte black finish
Verde Green
Traditional green patina
Industry Applications
Marine & Naval
Propellers, Fittings, Valves, Navigation equipment
Superior corrosion resistance in saltwater environments
Electrical & Electronics
Connectors, Terminals, Switch components, Heat sinks
Excellent electrical conductivity and EMI shielding
Plumbing & HVAC
Fittings, Valves, Fixtures, Couplings
Lead-free options for potable water applications
Musical Instruments
Wind instruments, Percussion, Hardware, Components
Acoustic properties and workability
Architecture & Design
Door hardware, Railings, Decorative elements, Fixtures
Aesthetic appeal with long-lasting durability
Automotive
Radiators, Bearings, Synchronizer rings, Electrical components
Heat dissipation and wear resistance
Success Stories
Marine Valve Components
Leading Marine Equipment Manufacturer
Challenge: Required corrosion-resistant valve bodies with complex internal passages for seawater applications.
Solution: Utilized C46500 naval brass with 5-axis CNC machining to achieve intricate internal geometries while maintaining 0.001" tolerances.
- ✓ 50% reduction in assembly time
- ✓ Zero failures after 10,000 hour salt spray testing
- ✓ 30% cost savings compared to bronze alternatives
High-End Audio Connectors
Premium Audio Equipment Brand
Challenge: Needed precision connectors with superior conductivity and aesthetic gold finish.
Solution: Machined from C36000 brass with selective gold plating on contact surfaces and custom laser engraving.
- ✓ Achieved <0.1 ohm contact resistance
- ✓ 100% first-pass quality rate
- ✓ Enhanced product premium positioning
Architectural Hardware Suite
Luxury Hotel Chain
Challenge: Custom door hardware requiring antimicrobial properties and specific antique finish.
Solution: Developed custom patina process for C385 brass achieving consistent antique bronze finish across 5,000+ pieces.
- ✓ 99.9% antimicrobial efficacy verified
- ✓ Consistent finish across entire production
- ✓ 5-year warranty with zero claims
Certifications & Compliance
ISO 9001:2015
Quality Management System
RoHS Compliant
Environmental Standards
REACH Compliant
Chemical Safety Standards
NSF Certified
Food & Water Safety
Frequently Asked Questions
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