Nicrosil

Nicrosil is a nickel alloy containing about 14.4% chromium, 1.4% silicon, and (in some sources) 0.1% magnesium.{{cite web | url=http://www.cartech.com/products/wr_products_thermo_nicrosil.html | title=Nicrosil alloy | accessdate=2007-10-31 | archive-date=2007-12-25 | archive-url=https://web.archive.org/web/20071225053635/http://www.cartech.com/products/wr_products_thermo_nicrosil.html | url-status=dead }}

Nicrosil is used as the positive leg of type N thermocouples. In this application another nickel alloy, Nisil, is used as the negative leg.{{cite web

| url=http://www.omega.com/temperature/Z/pdf/z041-044.pdf

| title=Type N thermocouples

| accessdate=2007-10-31

| archive-date=2006-10-15

| archive-url=https://web.archive.org/web/20061015211938/http://www.omega.com/temperature/Z/pdf/z041-044.pdf

| url-status=dead

}} The Nicrosil alloy in this case does not contain magnesium.