Brass (C35300) Manufacturing Solutions by MFG SOLUTION CO., LIMITED
Introduction
Brass C35300, widely known as Free-Cutting Brass, is one of the most machinable copper alloys available in modern manufacturing. With the intentional addition of lead and a carefully balanced copper-zinc composition, C35300 is specifically engineered to deliver outstanding machinability, dimensional stability, and surface quality. These properties make it the preferred choice for high-precision machined parts, especially in large-scale production environments where efficiency, repeatability, and cost control are critical.
MFG SOLUTION CO., LIMITED provides comprehensive manufacturing solutions for Brass C35300, supporting customers from concept design to mass production. Our capabilities include CNC machining, precision turning, custom fabrication, surface finishing, quality inspection, and global logistics. By combining technical expertise with advanced manufacturing equipment, we help customers transform C35300 brass into reliable, high-performance components used worldwide.
This page offers a detailed, technical, and practical overview of Brass C35300, its properties, applications, and how MFG SOLUTION integrates this material into scalable, high-quality manufacturing solutions.
What Is Brass C35300?
Brass C35300 is classified under the UNS C35300 standard and is commonly referred to as Free-Cutting Brass or Leaded Brass. The alloy is specifically optimized for machining processes such as turning, drilling, milling, threading, and tapping.
The presence of lead—uniformly dispersed in the microstructure—acts as a natural lubricant during machining, significantly reducing tool wear and allowing for higher cutting speeds without compromising accuracy.
Chemical Composition of Brass C35300
| Element | Typical Composition (%) |
|---|---|
| Copper (Cu) | 57.0 – 61.0 |
| Zinc (Zn) | Balance |
| Lead (Pb) | 1.5 – 2.5 |
| Iron (Fe) | ≤ 0.35 |
| Other Elements | Trace |
This composition ensures consistent machinability while maintaining adequate mechanical strength and corrosion resistance for industrial applications.
Physical and Mechanical Properties
Brass C35300 is engineered for machining efficiency rather than forming or welding. Its properties reflect this focus.
Mechanical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength | 325 – 450 MPa |
| Yield Strength | ≥ 140 MPa |
| Elongation | 20 – 35% |
| Hardness | 90 – 150 HV |
| Machinability Rating | ~100% (Benchmark Alloy) |
Physical Properties
| Property | Value |
|---|---|
| Density | ~8.47 g/cm³ |
| Melting Range | 885 – 900°C |
| Thermal Conductivity | ~120 W/m·K |
| Electrical Conductivity | ~26% IACS |
| Corrosion Resistance | Good in normal environments |
Key Advantages of Brass C35300
C35300 is often selected not for versatility, but for performance in machining-intensive production.
Main Advantages
- Exceptional machinability (industry reference standard)
- Excellent chip breaking and tool life
- High dimensional accuracy
- Smooth surface finish after machining
- Reduced production time and tooling cost
- Ideal for automated CNC and Swiss-type lathes
At MFG SOLUTION, these advantages allow us to deliver cost-efficient, high-volume precision parts with stable quality.
Typical Applications of Brass C35300
Brass C35300 is used extensively in industries that demand tight tolerances and consistent machining results.
| Industry | Application Examples |
|---|---|
| Automotive | Sensor housings, fittings, connectors |
| Electronics | Terminals, pins, contacts |
| Plumbing | Valves, adapters, couplings |
| Industrial Equipment | Bushings, fasteners, precision inserts |
| Consumer Products | Knobs, decorative machined parts |
Forms of Brass C35300 Supplied
MFG SOLUTION works with multiple material forms to support diverse production needs.
| Form | Typical Use |
|---|---|
| Bars & Rods | CNC turning, Swiss machining |
| Hex Bars | Fittings and threaded parts |
| Custom Cut Blanks | Optimized machining efficiency |
Manufacturing Capabilities at MFG SOLUTION CO., LIMITED
CNC Machining & Turning
Our CNC machining centers are optimized for free-cutting brass, enabling:
- High-speed turning
- Multi-axis milling
- Tight tolerances (±0.005 mm achievable)
- Complex geometries
- Automated mass production
Swiss-Type Machining
For small, high-precision components, Swiss-type lathes provide:
- Exceptional accuracy
- Excellent surface finish
- Ideal for electronic and medical-adjacent components
Secondary Operations
- Drilling and tapping
- Knurling
- Deburring
- Assembly support
Surface Finishing Options for Brass C35300
| Finish Type | Purpose |
|---|---|
| Nickel Plating | Corrosion and wear resistance |
| Chrome Plating | Decorative and durability |
| Tin Plating | Electrical conductivity |
| Polishing | Aesthetic and smooth finish |
| Clear Coating | Tarnish prevention |
MFG SOLUTION ensures all surface treatments comply with customer and regulatory requirements.
Quality Control and Inspection System
Quality consistency is essential for machined brass components.
Our Quality Control Process
| Stage | Inspection Method |
|---|---|
| Incoming Material | Chemical composition verification |
| In-Process | Dimensional checks, SPC |
| Final Inspection | CMM, visual & functional tests |
| Packaging | Appearance and labeling verification |
We maintain full traceability from raw material to finished product.
Engineering Support and Customization
MFG SOLUTION CO., LIMITED provides engineering-driven manufacturing, not just production.
Engineering Services
- Design for Manufacturability (DFM)
- Material optimization advice
- Tolerance and cost optimization
- Prototype development
- Process improvement for mass production
Our engineers work closely with customers to ensure C35300 parts meet both technical and commercial objectives.
Packaging and Global Logistics
| Packaging Type | Description |
|---|---|
| Individual Protection | Scratch and oxidation prevention |
| Bulk Packaging | High-volume efficiency |
| Custom Labeling | Customer-specific requirements |
| Export Crates | Long-distance transportation |
We support global shipping with flexible Incoterms and documentation.
Environmental Responsibility & Compliance
- RoHS & REACH compliant materials
- Environmentally responsible machining practices
- Waste recycling and material recovery
- Energy-efficient production systems
Why Choose MFG SOLUTION CO., LIMITED?
Our Strengths
- One-stop brass manufacturing partner
- Specialized expertise in free-cutting brass
- Stable quality for high-volume orders
- Competitive cost structure
- Responsive communication
- Global customer support
Frequently Asked Questions (FAQ)
C35300 has the highest machinability rating among brasses due to its lead content, which improves chip breaking and reduces tool wear—ideal for CNC and Swiss-type machining.
Yes. We specialize in scalable production, from prototypes to millions of machined parts per year.
We manage a complete finishing supply chain, including plating, polishing, and protective coatings.
Absolutely. We manufacture strictly according to customer drawings and provide DFM feedback when needed.
Due to its lead content, C35300 is generally not recommended for direct food or medical contact unless specifically approved by local regulations.
Lead times usually range from 1–5 weeks depending on order volume and complexity.
Conclusion
Brass C35300 remains the industry benchmark for precision machining, offering unmatched efficiency, consistency, and surface quality. For industries that rely on tight tolerances and high-volume production, it is an essential material.
MFG SOLUTION CO., LIMITED combines advanced machining technology, engineering expertise, and strict quality control to deliver reliable Brass C35300 components worldwide. Whether you require complex CNC-turned parts or large-scale production support, we provide manufacturing solutions you can trust.