Monel is a group of alloys of nickel and copper, with small amounts of iron, manganese, carbon, and silicon. Monel is not a cupronickel alloy because it has less than 60% copper.
The Art Deco gate in the entrance hall of Detroit's Guardian Building is made from Monel.
Identification tags made from Monel
Monel doorknobs in the Bryn Athyn Cathedral
The greenish roof of New York's Pennsylvania Station was made from Monel.
Inconel is a superalloy composed mainly of nickel, chromium, and iron that is often used in extreme environments where components are subjected to high temperature, pressure, or mechanical loads. Inco
Monel
…Hastelloy Inconel Shoemaker, Lewis E.; Smith, Gaylord D. (September 2006). "A Century of Monel Metal: 1906–2006". JOM. 58 (9): 22. Bibcode:2006JOM....58i..22S…
Inconel 718 round bar
Delphin 3.0 rocket engine, used on Astra Rocket. 3D-printed in Inconel