> Excellent cutting performance: cutting resistance only 1/3 that of steel, suitable for high speed machining (cutting speed up to 150-250m/min).
> Strong corrosion resistance: stable in atmospheric and freshwater environments (more than10 times stronger than steel).
> Good electrical conductivity: electrical conductivity about 60% of pure copper,suitable for electronic components.
> Easy formability: elongation 15-45%, can be cold headed and bent.
> Moderate density: 8.5-8.9g/cm'(about 110% of steel).
> Environmental differences: lead-containing brass (such as C3604)needs attention to heavy metal pollution.Lead-free brass cost is 20-30% higher.
|
Grade |
Tensile strength (MPa) |
Yield strength(MPa) |
Density (g/cm3) |
Hardness (HV) |
Lead content (%) |
Main characteristics |
Application scenarios |
|---|---|---|---|---|---|---|---|
|
C3604 |
440 |
390 |
8.53 |
120-140 |
3.0-4.0 |
Easy to machine brass | Connectors,valves, watch parts |
|
Brass 360 1/2 hard |
400-450 |
300-350 |
8.53 |
3.0-4.0 |
3.0-4.0 |
Semi-hard easy to machin | Screws, nuts, pipe fittings |
|
H59 |
450 |
195 |
8.4 |
90-105 |
0.8-1.9 |
High strength brass | Radiators,mechanical structural components |
|
H62 |
370 |
110 |
8.43 |
85-100 |
<0.08 |
Ordinary brass | Hardware, locks, decorative parts |
|
C17300 beryllium copper |
1200 |
1030 |
8.25 |
360-400 |
0.2-0.6 |
Ultra-high strength elastic alloy | Springs, relays, aerospace fasteners |
|
C54400 phosphor bronze |
550 |
240 |
8.8 |
130-150 |
0.05-0.3 |
Wear-resistant corrosion-resistant bronze | Bearings, gears, ship parts |
|
Lead-free brass |
420 |
380 |
8.5 |
110-130 |
<0.005 |
Environmental friendly easy to machine brass | Medical equipment, food machinery |
◆ NNickel plating (thickness 5-15um): Enhanced corrosion resistance (such as electronic components)
◆Gold plating (thickness 0.5-3um): Improved conductivity(connectors)
◆ Chromate passivation: Forms a rainbow film to prevent oxidation (hardware)
◆ Chromium-free passivation: An environmentally friendly alternative (food machinery)
◆ Epoxy resin coating: Thickness 60-100um, anti-corrosion decoration (lamps)
◆ Nitric acid + sulfuric acid system: Surface roughness Ra0.4-0.8um (bathroom accessories)
◆ Produces a porous oxide film (thickness 2-5um), which can be dyed (decorative parts)
