Copper Sheet C41500 C42200 C42500 C43000 C43400 C44500 C46400 C46500 Brass Strip
C42500 is a copper-based alloy that consists of approximately 3% tin (Sn) and 9% zinc (Zn) as the primary alloying elements. This alloy falls under the category of tin-zinc bronzes. While it is not a commonly known or standardized designation according to the Unified Numbering System (UNS), it is possible that C42500 is a proprietary or custom alloy designation used by a specific manufacturer or industry.
Tin-zinc bronzes generally exhibit good mechanical properties, including high strength, good wear resistance, and excellent corrosion resistance. These alloys are often used in applications where a combination of strength, hardness, and corrosion resistance is required.
If C42500 is a specific alloy you are interested in, I would recommend reaching out to the manufacturer or supplier to obtain detailed information about its composition, properties, and suitable applications. They will be able to provide you with specific technical specifications and guidance based on their expertise and knowledge of the alloy.
CHEMICAL COMPOSITION
| Sn% | Cu% | Zn% | |
| Nominal Composition | Bal. | ||
| Min | 1.5 | 87 | |
| Max | 3.0 | 90 |
PHYSICAL PROPERTIES
| Density g/cm3 | 8.75 |
| Conductivity at 20°C %IACS | 28 |
| Elastic Modulus GPa | 120 |
| Poisson's ratio | 0.34 |
| Thermal expansion coefficient 10-6/ K | 18.4 |
MECHANICAL PROPERTIES
| State | Yield strength | Tensile strength | Elongation | Hardness |
| Mpa | MPa | A50% | HV | |
| R395 | 355-465 | 395-485 | ≥18 | 110-150 |
| R430 | 400-490 | 430-510 | ≥12 | 130-170 |
| R485 | 455-545 | 485-565 | ≥9 | 160-180 |
| R525 | 495-585 | 525-605 | ≥7 | 170-190 |
| R580 | 550-630 | 580-650 | ≥3 | 180-200 |
| R635 | ≥600 | ≥635 | - | ≥200 |
Bending performance
Bending thickness: ≤0.5 mm, bending width: 10 mm
| State | 90° R/T | 180° R/T | ||
| GW | BW | GW | BW | |
| R395 | 0 | 0 | 0 | 0 |
| R430 | 0 | 0 | 0 | 0 |
| R485 | 0 | 0.5 | 0.5 | 1 |
| R525 | 0.5 | 1 | 1 | 1.5 |
| R580 | 1.5 | 2.5 | 1 | 3 |
| R635 | - | - | - | |
|
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 |
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.