Materion · Beryllium Copper
C17460 Beryllium Copper (Alloy 390) Strip
Also known as Alloy 390, UNS C17460
C17460 (Materion Alloy 390) is a mill-hardened beryllium copper strip that Materion designed to give the conductivity of Alloy 3 or Alloy 174 with the strength of Alloy 25, plus good stress-relaxation resistance. That makes it a fit for small, high-reliability contacts.

Product forms
- Mill-hardened strip
Available sizes and forms are confirmed in your quotation.
Typical applications
- Small signal and power interconnects
- Connectors for harsh environments
Other Beryllium Copper grades
All Beryllium CopperFrequently asked questions
- Does C17460 need heat treatment after forming?
- Alloy 390 is supplied as mill-hardened strip, so it arrives already hardened. Check the forming limits of your chosen temper in the Materion datasheet.
- What is the price of C17460?
- Prices for C17460 are quoted per enquiry, because they depend on the grade, the form (rod, plate, strip and so on), the size and the quantity. Send those details through the quote form, by phone on 02-728-0150 or on LINE @vanintertrade, and we will quote.
Need a price for C17460?
Tell us the grade, form, size and quantity, and we will send a quotation.