Material datasheet · Free-machining brass (Cu-Zn-Pb)
Free-Cutting Brass
UNS C36000 · Drawn (H02 ½ hard typical)
The screw-machine standard. Lead inclusions break chips for fastest cutting.
Chemical composition
Nominal % by weight.
| Element | % by wt |
|---|---|
| Cu | 60.0–63.0 |
| Zn | Bal. |
| Pb | 2.5–3.7 |
Applicable specifications
AMS / ASTM / MIL.
- ASTM B16
- ASTM B453
- AMS 4610
Machining guidance
CNC parameters and tooling.
HSS or carbide; standard geometry
The reference for machinability. Lead inclusions break chips perfectly. Lead-free C27450 / C69300 (ECO BRASS) substitutes available for medical/potable water.
Stock & cost
Forms and Q1 2026 pricing.
- Lacquer (anti-tarnish)
- Nickel plate
- Tin plate
Typical applications
Where Brass C360 is the right pick.
- Plumbing fittings
- Valve bodies
- Threaded fasteners
- Decorative hardware
- Electrical components
Alternative materials
Substitute or upgrade options.
- C27450 / C69300 lead-free (potable water)
- C385 architectural
- C464 naval brass (marine)
True Precision Machining · Buellton, CA
Machine your part in Brass C360.
5-axis CNC · ISO 9001 · AS9100 · ITAR · CMMC-compliant · DFARS-compliant supply chain. AS9102 FAI on aerospace.
Technically reviewed by the True Precision Machining engineering team · Last reviewed June 2026
Standards referenced: ASTM B16, ASTM B453, AMS 4610
Keep exploring
Related tools & references
Speeds, feeds, tooling, and chip strategy.
SFM, RPM, and feed rate for this material.
Compare alloys by strength, weight, temperature, and cost.
Estimate part weight from Brass C360 stock.
Aerospace specs that call out this alloy.