Nonalloyed

Further, nonalloyed ohmic contacts suffer marginally from the orientation dependence of the specific contact resistance.

Source: wiktionary

However, nonalloyed composite coatings are much preferred when the contact serves also as a part of the optical cavity.

Source: wiktionary

By country, exports to the ROK represent a high proportion of semifinished products and nonalloyed long products, while exports to China represent a high proportion of stainless plate products.

Source: wiktionary