Material · Copper Alloys
Brass C360 (Free-Machining)
The machinability benchmark itself: fastest cycle times in the shop, naturally low-friction.
Price index: $$
Instant quote onlineMaterial properties
| Parameter | Value |
|---|---|
| Tensile strength | 385 MPa |
| Yield strength | 310 MPa |
| Hardness | 78 HRB |
| Density | 8.50 g/cm³ |
Choose it when
Wherever machining dominates cost — small complex turned parts at volume — and where its bearing behavior, conductivity (~26% IACS) or golden as-machined finish earn their keep.
Look elsewhere when
The ~3% lead bars it from potable-water and lead-restricted assemblies (specify lead-free C69300 instead), and modest strength rules out loaded structural parts.
Compatible finishes
As-Machined
The baseline finish: straight off the machine, fastest and cheapest.
Nickel Plating (Electrolytic)
Bright, polishable nickel for decorative protection and contact underlayers.
Tin Plating
The solder-friendly finish: tin for bus bars, terminals and food-contact hardware.
Hard Chrome Plating
The hardest plated surface in the shop: ~65 HRC chrome for sliding and abrasive service.
Polishing
Progressive abrasives down to mirror: the finish for optics, molds and show surfaces.
Vibratory Tumbling
Batch deburring by the bowl-full: every edge broken, every burr gone, at volume prices.
Laser Marking
Permanent identification with zero dimensional change: serials, logos and codes burned in, not stuck on.
Typical applications
- Valve and fluid fittings (non-potable)
- Electrical contacts and terminals
- Bushings and thrust washers
- High-volume Swiss-turned small parts
Compared with similar grades
| Property | Brass C360 (Free-Machining) | Copper C110 | Brass C260 (Cartridge Brass) | Phosphor Bronze C510 |
|---|---|---|---|---|
| Tensile strength | 385 MPa | 220–345 MPa (temper) | ~370 MPa | ~470 MPa (H02) |
| Yield strength | 310 MPa | 70–320 MPa (temper) | ~250 MPa (temper dependent) | ~345 MPa (temper dependent) |
| Hardness | 78 HRB | 40–95 HRF | ~55 HRB | ~80 HRB |
| Density | 8.50 g/cm³ | 8.94 g/cm³ | 8.53 g/cm³ | 8.86 g/cm³ |
| Price index | $$ | $$$ | $$$ | $$$ |
| Machinability | 5/5 | 2/5 | 4/5 | 3/5 |
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