Chromel

Rarity: Common

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What Wikipedia says

Chromel is an alloy made of approximately 90% nickel and 10% chromium by weight that is used to make the positive conductors of ANSI Type E (chromel-constantan) and K (chromel-alumel) thermocouples. It can be used at temperatures up to 1,100 °C (2,010 °F) in oxidizing atmospheres.

Excerpt from the Wikipedia article “Chromel”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Steve Jurvetson from Menlo Park, USA, CC BY 2.0, via Wikimedia Commons.