Chinese Manufacturer Brass Copper Sheet / Plate C42300, C42500 copper alloy plate sheet
CHEMICAL COMPOSITION
| Ni% | Si% | Sn% | Cu% | Zn% | |
| Nominal Composition | Bal. | ||||
| Min | 0.5 | 0.1 | 0.5 | 87 | |
| Max | 1.5 | 0.3 | 1.5 | 91 |
PHYSICAL PROPERTIES
| Density g/cm3 | 8.88 |
| Conductivity at 20°C %IACS | 32 |
| Elastic Modulus GPa | 120 |
| Poisson's ratio | 0.33 |
| Thermal expansion coefficient 10-6/ K | 16.7 |
MECHANICAL PROPERTIES
| State | Yield strength | Tensile strength | Elongation | Hardness |
| Mpa | MPa | A50% | HV | |
| R440 | ≥420 | 440-540 | ≥8 | 140-170 |
| R520 | ≥500 | 520-620 | ≥6 | 150-190 |
| R560 | ≥550 | 560-660 | ≥3 | 170-210 |
| R620 | ≥590 | 620-720 | ≥1 | 190-220 |
Bending performance
Bending thickness: ≤0.5 mm, bending width: 10 mm
| State | 90° R/T | 180° R/T | ||
| GW | BW | GW | BW | |
| R440 | 0 | 0 | 0 | 1 |
| R520 | 0 | 0.5 | 0.5 | 1.5 |
| R560 | 0.5 | 1.5 | 1.5 | 2.5 |
| R620 | 1 | 2 | 2 | 5 |
|
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 |
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Machinability:
- Excellent machinability, making it suitable for precision machining applications such as screw machining.
-
Corrosion Resistance:
- Moderate corrosion resistance, effective in various environments, particularly in freshwater and marine conditions.
-
Mechanical Properties:
- Good strength and ductility, allowing for easy forming and shaping.
Common Applications
-
Precision Parts: Frequently used for manufacturing precision machined components like fittings and valves.
-
Automotive Components: Utilized in various automotive applications due to its durability and machinability.
-
Electrical Applications: Suitable for electrical connectors and terminals where conductivity and ease of machining are required.
Fabrication
C42300 plates can be processed through standard fabrication techniques such as cutting, bending, and welding. They are available in multiple thicknesses and dimensions to meet specific project requirements.
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