Matmatch uses cookies and similar technologies to improve your experience and measure your interactions with our website. We also use them to provide you more relevant information and improve our platform and search tools. If that’s okay, click “Accept all.” To change your preferences, click “Open cookie settings.” You will find more information about cookies on our privacy policy page.
Want to keep this datasheet? Save it now in your required format
Description
The silver-nickel material AgNi20, also Ag80Ni20 or 80Ag20Ni, is safe against welding at inrush currents up to 100 A, has good erosion resistance with switching currents up to 100 A. It shows uniform burnup on both contact pieces (burnup residues are non-conductive) and has high hardness and thus correspondingly low mechanical wear. AgNi20 has a low contact resistance that remains nearly constant over the life of the contact, as well as good ductility, good arc migration properties, and good arc quenching properties. Wire made of this material can be welded particularly well with welding machines. Disadvantages are unfavorable burn-off properties with switching currents above 100 A, tendency to weld with inrush currents above 150 A.
The AgNi20 is used in low-voltage AC and DC switching devices, for auxiliary current switches for DC and AC as well as switches for domestic appliances with nominal currents up to approx. 10 A, service switching devices for DC and AC as well as motor switches or contactors for AC up to approx for direct current, for automotive switches and relays, for circuit breakers (direct and alternating current) as well as for travel switches for railways, in particular direct current circuit breakers.
AgNi20 is ductile but sensitive to sulfur. It is a machinable and roll-cladable sintered material.
"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required. All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated. Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.
Ashby charts
See where falls on the material property chart for against in your materials selection and design process. Our Ashby charts are interactive with more technical data upon clicking. Sign up to get access to this premium feature for free.