1.1 This specification covers the requirements for electrodeposited chromium coatings applied to ferrous alloys for engineering applications.1.2 Electrodeposited engineering chromium, which is sometimes called "functional" or "hard" chromium, is This specification covers the requirements for electrodeposited chromium coatings (sometimes referred to as functional or hard chromium) applied to ferrous alloy substrates for engineering applications, particularly for increasing wear, abrasion, frett