Common Brass C21000
UNS C21000
Description
Common Brass C21000, also known as CuZn5, is most commonly known for its resistance to corrosion. It has good deep draw properties, is malleable, has moderate conductivity, all while possessing good strength. Besides, it has very good cold forming properties and is well suited for e.g. coinage, beating, embossing. It always finds applications in jewelry, metal goods, watch industry and in electronic industry for installation parts.
General Information
| Items | C21000 |
|---|---|
| Catalog | ACAM-Cu-A117 |
| Density | 8.86 g/cm3 |
| Melting Point | 1049 ℃ |
Chemical Component
| Cu | Fe | Pb | Zn |
|---|---|---|---|
| 94.0-96.0 | 0.05 max | 0.05 max | Balance |
* Unit: %
Typical Mechanical Properties
| Items | C21000 |
|---|---|
| Tensile Strength | 290MPa |
| Yield Strength | 221 MPa |
| Elongation | 25% |
| Shear Strength | 221 MPa |
* H01 Temper
Fabrication Properties
| Technique | Suitability |
|---|---|
| Cold Forming Properties | Excellent |
| Machinability (Rating 20) | Less suitable |
| Electroplating Properties | Excellent |
| Hot Tinning Properties | Excellent |
| Soft Soldering, Brazing | Excellent |
| Resistance Welding | Good |
| Gas Shielded Arc Welding | Good |
| Laser Welding | Fair |
Material Forms
Alfa Chemistry offers Common brass C21000 in a variety of forms, including Strips, Sheets, Plates, Round and Square Bars, Seamless and Welded Pipes & Tubes, Forged & Buttweld Fittings, Flanges, Fastener, Flat Rolled Bars, Wire & Valves, etc.
Applications
Typical applications of common brass C21000 include:
- Architecture: ornamental trim.
- Consumer: jewelry, emblems, plaques, medallions.
- Electrical: components for the electrical industry, connectors, rotor bars, AC motors.
- Fasteners Industrial: metal goods, base for vitreous enamel, base for gold plate.
- Ordnance: primers, small arm ammunition: primer caps, bullet jackets, fuse caps, firing pin support shells, bullet.
- Other: coins, tokens, medals.
* Technical data included herein should be used as a guideline only, and should not be construed as maximum or minimum values for specification or for final design, or for a particular use or application. The data may be revised anytime without notice.
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