Copper- titanium Alloy C19920 Brass CuTi Stright Strip for
Architectural Etching
CHEMICAL COMPOSITION
| | Ti% | Cu% | other |
| Nominal Composition | | Bal. | |
| Min | 2.5 | | |
| Max | 3.5 | | 1 |
PHYSICAL PROPERTIES
| Density g/cm3 | 8.66 |
| Conductivity at 20°C %IACS | 12 |
| Elastic Modulus GPa | 120 |
| Poisson's ratio | 0.34 |
| Thermal expansion coefficient 10-6/ K | 17.76 |
MECHANICAL PROPERTIES
| State | Yield strength | Tensile strength | Elongation | Hardness |
| | Mpa | MPa | A50% | HV |
| R880 | 800-900 | 880-1000 | ≥10 | 300 |
| R920 | 850-950 | 920-1050 | ≥6 | 310 |
| R960 | 900-1000 | 960-1100 | ≥3 | 320 |
| R1000 | 950-1050 | 1000-1150 | ≥2 | 330 |
| R1050 | 1000-1100 | 1050-1200 | ≥1 | 340 |
| R1100 | 1050-1200 | 1100-1250 | - | 350 |
Bending performance
Bending thickness: ≤0.15 mm, bending width: 10 mm
| State | 90° R/T | 180° R/T |
| | GW | BW | GW | BW |
| R880 | 0 | 0 | - | - |
| R920 | 0 | 0.5 | - | - |
| R960 | 0 | 1 | - | - |
| R1000 | 1 | 3 | - | - |
| R1050 | 3 | 6 | - | - |
| R1100 | - | - | - | - |
Properties:
- Increased strength and hardness compared to pure copper
- Good corrosion resistance, especially in marine environments
- Improved wear and abrasion resistance
- Moderate electrical and thermal conductivity
- Good castability and weldability
Applications:
- Marine hardware and fittings
- Valves and pumps
- Architectural hardware
- Outdoor furniture and fixtures
- Decorative and ornamental components
- Electrical connectors and components
- Automotive and industrial applications
Benefits:
- The addition of nickel and silicon to copper enhances the alloy's
mechanical properties, making it suitable for applications
requiring increased strength and wear resistance.
- The improved corrosion resistance of C19920 makes it a suitable
choice for use in marine and outdoor environments.
- The moderate electrical and thermal conductivity of the alloy
allows it to be used in various electrical and thermal
applications.
- The good castability and weldability of the alloy provide
flexibility in manufacturing and fabrication processes.
Availability:
- C19920 copper alloy is available in various forms, such as rods,
bars, wires, sheets, and castings, from numerous metal suppliers
and manufacturers.
The combination of enhanced mechanical properties, improved
corrosion resistance, and moderate conductivity makes C19920 copper
alloy a versatile material for a wide range of applications,
particularly in marine, architectural, and industrial settings.
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 |
| TK52400 | C52400 | CuSn10 | C5241 | QSn10-0.2 |
| CuNiZn | TK77000 | C77000 | CuNi18Zn27 | C7701 | BZn18-26 |
| TK75200 | C75200 | CuNi18Zn20 | C7521 | BZn18-18 |
