Bronze CNC Machining Services
We utilize advanced CNC machining and superior surface treatment processes to efficiently produce custom bronze parts. Get an instant quote and free manufacturability design analysis now.
Bronze
Superior wear resistance, seawater corrosion resistance, classic metallic luster, commonly cast.
-
Price:$0
-
Lead Time:About 5 days
-
Wall Thickness:0.5 mm
-
Tolerances:±0.005″ (±0.125mm)
-
Max Part Size:200 cm x 80 cm x 100 cm
Tin Bronze (C90300/C90500 Series)
A copper-based alloy containing 8-14% tin, often with additions of zinc or lead, renowned for its exceptional wear resistance, corrosion stability, and historical use in maritime applications.
Suitable Processes: Sand casting, centrifugal casting, machining, brazing, and polishing.
Applications: Ship propellers, bearings, pump components, musical instruments (cymbals/bells), and antique restoration parts.
| Tensile Strength, Yield (MPa) | Fatigue Strength (MPa) | Elongation at Break (%) | VHardness (Brinell) | Density (g/cm³) |
|---|---|---|---|---|
| 150-370 | 100-250 | 5-30 | 6-150 | 8.7-8.9 |
Surface Finishing Options for Brass
Brass CNC turned parts can undergo various surface finishing processes to enhance their appearance, durability, and performance.
- As Machined
- Alodine
- Black Oxide
- Electroless Plating
- Electroplating
- Heat Treatment
- Polishing
- Sand blasting
- Tumbling
Surface Finishes We Offer
Since magnesium parts are prone to machining defects and formation of burrs, it’s important to treat them with the right surface finishes.
This will improve their aesthetic appeal and enhance performance and longevity. At RapidDirect, we offer an extensive range of surface finishing options tailored to your requirements,
ensuring optimal protection and visual quality for your magnesium parts.
This will improve their aesthetic appeal and enhance performance and longevity. At RapidDirect, we offer an extensive range of surface finishing options tailored to your requirements,
ensuring optimal protection and visual quality for your magnesium parts.
-
As MachinedDescription: Standard finish with surface roughness of 3.2 μm (126 μin), removes sharp edges and deburrs parts cleanly. Key Use: Functional parts requiring no post-processing (e.g., brackets, gears). Process Tolerance: Dimensional ±0.1 mm, Ra 3.2±0.5 μm Process Specifications: ISO 2768-m standard, burr height ≤0.05 mm
-
AlodineDescription: Chemical film for corrosion protection and paint adhesion. Process Compatibility: Post-cleaning chemical immersion Key Use: Aviation and automotive electrical housings. Process Tolerance: Film thickness 0.5-3 μm, visual uniformity Process Specifications: Immersion time 3-10 min, bath temp. 20-30℃
-
Black OxideDescription: Thin magnetite layer for corrosion resistance and reduced glare. Process Compatibility: Post-machining chemical treatment Key Use: Tools, firearms, automotive fasteners. Process Tolerance: Coating thickness 0.5-1.5 μm, salt spray ≥24 hrs Process Specifications: Alkaline bath pH 13-14, process time 5-30 min
-
Electroless PlatingDescription: Uniform metal coating (e.g., nickel) without electricity. Process Compatibility: Chemical bath deposition Key Use: Wear-resistant industrial valves, connectors. Process Tolerance: Coating thickness 5-50 μm±5%, porosity ≤5/cm² Process Specifications: Bath temp. 85-95℃, pH 4.5-5.5
-
ElectroplatingDescription: Electrochemical metal coating (e.g., chrome, zinc) for durability. Process Compatibility: Post-machining electrodeposition Key Use: Automotive trim, jewelry. Process Tolerance: Coating thickness 5-25 μm±2 μm, adhesion ≥4B (ASTM B571) Process Specifications: Current density 1-10 A/dm², bath temp. 40-60℃
-
Heat TreatmentDescription: Thermal process to alter material hardness/toughness. Process Compatibility: Post-machining quenching/tempering Key Use: Gears, cutting tools. Process Tolerance: Hardness HRC 45-60±2, distortion ≤0.1% Process Specifications: Quench temp. 800-1000℃, temper time 1-4 hrs
-
PolishingDescription: Mirror-like finish via abrasive compounds. Process Compatibility: Manual/robotic buffing Key Use: Medical instruments, luxury fixtures. Process Tolerance: Ra 0.025-0.1 μm, gloss ≥90 GU Process Specifications: Wheel speed 1000-3000 rpm, compound grit 2000-5000
-
Sand blastingDescription: Abrasive jet finish for uniform matte texture. Process Compatibility: Post-machining blasting Materials: Metals, glass, stone Key Use: Architectural facades, engine blocks. Process Tolerance: Ra 1.6-6.3 μm, coverage ≥95% Process Specifications: Grit size 80-120, air pressure 0.4-0.7 MPa
-
TumblingDescription: Barrel polishing for edge rounding and deburring. Process Compatibility: Vibratory/rotary barrels Materials: Metals, plastics Key Use: Jewelry, small hardware components. Process Tolerance: Edge radius R0.1-0.5 mm, weight loss ≤1% Process Specifications: Media size 3-10 mm, speed 10-30 rpm, time 1-12 hrs
Pros
- High Strength and Durability: Bronze offers excellent tensile strength and durability, making it suitable for heavy-duty applications.
- Corrosion Resistance: It is highly resistant to corrosion, especially in marine environments, which enhances its longevity.
- Excellent Machinability: Despite its hardness, bronze can be machined effectively with the right tools and settings. Thanks to the addition of lead.
- Thermal Conductivity: Bronze’s good thermal conductivity makes it beneficial for heat exchange applications.
- Low Friction Coefficient: This is highly beneficial in applications that require minimized friction and wear, such as sliding components and bearings.
Cons
- Higher Cost: Bronze can be more expensive than some other metals, which may impact project budgets.
- Tool Wear: The hardness of bronze can cause significant tool wear, requiring frequent tool maintenance or replacement.
- High Heat Production: Machining bronze typically produces a higher amount of heat compared to working with harder metals. This excessive heat can have an impact on the longevity and performance of the tools.
Our Partners
Trusted by 12,000+ businesses
