High Grade C11000 C17500 C27000 C27200 C27400 0.5mm 1mm Insulated Beryllium Copper Coil/Strip
CHEMICAL COMPOSITION
| Cu% | Zn% | |
| Nominal Composition | Rem | |
| Min | 61.0 | |
| Max | 63.0 |
PHYSICAL PROPERTIES
| Density g/cm3 | 8.43 |
| Conductivity at 20°C IACS% | 27 |
| Elastic Modulus GPa | 103.4 |
| Poisson's ratio | 0.37 |
| Thermal expansion coefficient 10-6/ K | 20.6 |
MECHANICAL PROPERTIES
| State | Diameter | Yield strength | Tensile strength | Elongation | Hardness |
| Mpa | MPa | % | HV | ||
| O | 10-140 | - | ≥295 | ≥35 | |
| 1/2H | 5-40 | - | ≥370 | ≥20 | |
| 40-80 | - | ≥335 | ≥25 |
FABRICATION PROPERTIES
| Technique | suitability |
| Soldering | Excellent |
| Brazing | Excellent |
| Oxyacetylene Welding | Good |
| Gas Shielded Arc Welding | Fair |
| Coated Metal Arc Welding | Not Recommended |
| Spot Weld | Good |
| Seam Weld | Not Recommended |
| Butt Weld | Good |
| Capacity for Being Cold Worked | Excellent |
| Capacity for Being Hot Formed | Fair |
| Machinability Rating | 35 |
|
Alloy System |
designation |
UNS |
EN |
JIS |
GB (China) |
| Cu | TK11000 | C11000 | Cu-ETP | C1100 | T2 |
|
CuCr/Zr |
TK15100 | C15100 | CuZr0.1 | C1510 | TZr0.1 |
| TK18160 | C18160 | CuCr0.5Zr | — | ||
| TK18150 | C18150 | CuCr1Zr | — | TCr1-0.15 | |
| CuCrSiTi | TK18070 | C18070 | CuCrSiTi |
— |
TCr0.3-0.2- 0.05 |
| CuNiSnCrTi | TK18090 | — | — | — | |
| CuNiP | TK19000 | C19000 | CuNi1P | — | |
| CuTi | TK19920 | C19920 | — | — | — |
|
CuFe |
TK19210 | C19210 | CuFe0.1P | C1921 | TFe0.1 |
| TK19400 | C19400 | CuFe2P | C1940 | TFe2.5 | |
|
CuNiSi |
TK19005 | C19005 | — | — | — |
| TK19010 | C19010 | CuNiSi | — | — | |
| TK70260 | C70260 | CuNi2Si | C7026 | BSi2-0.45 | |
| TK70250 | C70250 | CuNi3SiMg | C7025 | BSi3.2-0.7 | |
| TK70250HS | C70250 | CuNi4SiMg | C7025 | — | |
| CuNiCoSi | TK70318 | C70318 | CuNi3CoSi | — | — |
|
Special Brass |
TK42300 | C42300 | CuZn10Sn1NiSi | — | — |
| TK42500 | C42500 | CuSn3Zn9 | — | HSn88-2 | |
|
CuSn / Bronze
|
TK14415 | C14415 | CuSn0.15 | — | TSn0.12 |
| TK51000 | C51000 | CuSn5 | C5102 | QSn5-0.2 | |
| TK51100* | C51100 | CuSn4 | C5111 | QSn4-0.3 | |
| TK51900* | C51900 | CuSn6 | C5191 | QSn6-0.2 | |
| TK52100* | C52100 | CuSn8 | C5210 | QSn8-0.3 |
C27400 is a designation for a specific type of copper alloy, commonly known as brass. It is primarily composed of copper and zinc, with a notable addition of lead, which enhances its machinability. Here are some key features and characteristics of C27400 plates:
Key Properties
Machinability:
Excellent machinability due to the addition of lead, making it suitable for precision machining applications.
Corrosion Resistance:
Offers moderate resistance to corrosion, particularly in atmospheric and freshwater environments.
Mechanical Properties:
Good strength and ductility, allowing it to be formed and shaped easily.
Common Applications
Precision Machined Parts: Ideal for components that require tight tolerances and ease of machining.
Fittings and Valves: Used in plumbing and hydraulic applications due to its strength and corrosion resistance.
Electrical Connectors: Suitable for electrical applications due to good conductivity.
Fabrication
C27400 plates can be fabricated through various processes, including cutting, bending, and welding. They are available in different thicknesses and dimensions, making them adaptable for various industrial needs.
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