Shanghai Tankii Alloy Material Co.,Ltd
Shanghai Tankii Alloy Material Co.,Ltd First Quality, Sincere Service
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CHEMICAL COMPOSITION
| Ni% | Si% | Co% | Cu% | other | |
| Nominal Composition | Bal. | ||||
| Min | 2.6 | 0.6 | 0.8 | ||
| Max | 3.4 | 1.2 | 1.2 | 0.5 |
PHYSICAL PROPERTIES
| Density g/cm3 | 8.82 |
| Conductivity at 20°C %IACS | 50 |
| Elastic Modulus GPa | 130 |
| Poisson's ratio | 0.33 |
| Thermal expansion coefficient 10-6/ K | 17.6 |
MECHANICAL PROPERTIES
| State | Yield strength | Tensile strength | Elongation | Hardness |
| Mpa | MPa | A50% | HV | |
| R690 | ≥680 | 690-830 | ≥6 | ≥200 |
| R770 | ≥750 | 770-900 | ≥4 | ≥220 |
| R840 | ≥810 | 840-970 | ≥1 | ≥240 |
| R920 | ≥880 | 920-1060 | ≥1 | ≥260 |
| R960 | ≥940 | 980-1120 | ≥1 | ≥280 |
Bending performance
Bending thickness: ≤0.5 mm, bending width: 10 mm
| State | 90° R/T | 180° R/T | ||
| GW | BW | GW | BW | |
| R690 | 0 | 0 | - | - |
| R770 | 0.5 | 0.5 | - | - |
| R840 | 1.0 | 1.0 | - | - |
| R920 | 1.0 | 1.0 | - | - |
| R960 | 3.0 | 3.0 | - | - |
| 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 |
Copper-nickel strips, made from cupronickel alloys, are used in various applications due to their excellent corrosion resistance, mechanical properties, and thermal conductivity. Here are some key features and characteristics of copper-nickel strips:
Composition:
Corrosion Resistance:
Mechanical Properties:
Thermal and Electrical Conductivity:
Marine Industry: Used in shipbuilding, heat exchangers, and piping systems due to their durability in seawater.
Electrical Components: Employed in connectors and terminals where corrosion resistance and conductivity are essential.
Heat Exchangers: Ideal for cooling systems in various industrial applications.
Copper-nickel strips can be processed through various methods, including:
