C70350 copper-nickel-silicon alloy
C7035 is a highly conductive, high-elastic nickel-silicon-copper alloy, also known as silicon bronze, which is a copper alloy containing nickel and silicon, silicon is also known as silicon, which is a high conductivity and high elasticity alloy, without heat treatment, with good stamping formability.
C7035/K57：强度（弹性）及导电率均比C7025高，应用于需高寿命、低阻抗、低温升的连接器（如：USB3.1、Type c、CPU plate、Jack、Battery conns、Rf-switch、继电器弹片 等）。
Chemical composition
Ni：1.5 Co：1.1 Si：0.6 Cu：余量
Physical properties
密度G/CM3:8.82 导电率%Iacs：50
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热传导系数W/M.K:200 热膨胀系数10６/K：17.6
Elastic coefficient (Kn/mm2): 131 Stress relaxation rate: 84
2.What is the material of 4816?
1. Introduction of 2.4816:
2.4816 alloy is a very early development and application of Ni-CR alloy, because of its corrosion resistance, heat resistance, and curing resistance and outstanding technology, widely used in various industries, Shanghai Yuanding reminds us, in the use of this kind of alloy, we can choose this alloy, because this alloy is cheaper than other alloys. It is also the material of choice for some industrial sectors. The alloy has satisfactory thermal strength and high plasticity below 800°C.
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It has outstanding high temperature corrosion resistance and oxidation resistance below 1000 °C, the alloy has a stable long-term use structure, has outstanding cold and hot working and welding functions and low temperature mechanical functions, the alloy can be strengthened by cold working, and can also be connected by resistance welding, fusion welding or brazing, and is suitable for making engine combustion chambers working below 700-800 °C and oxidation-resistant parts with low load below 1100 °C. The main products are cold-rolled sheets, hot-rolled plates, strips, rods, tubes, ring forgings, etc.
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2. 2.4816 Applications and Characteristics:
2.4816 alloy in fresh water and shaken seawater, has a good corrosion resistance, in the stopped seawater may occur corrosion spots, to a variety of alkaline solutions and most organic acids and compounds of the corrosion resistance is very high, not easy to occur stress corrosion cracks, but in high concentration of caustic alkali or high temperature Hg conditions prone to stress corrosion cracks. It is widely used in the field of chemical processing, manufacturing heaters, evaporators, condensers for fatty acid treatment, equipment for processing rosin pavilion acid, and power industry.