Definition and classification of grades of steel
2019
Document Number: NL EN 10020 : 2019
Sector: Metallurgy
TC: NL TC 17
ICS: 01.040.77 - 77.080.20
This European Standard defines the term "steel" (see clause 2) and classifies steel grades into : - non alloy, stainless steel and other alloy steels by chemical composition (see clause 3) ; - main quality classes (see clause 4) defined by main property or application characteristics for non alloy, stainless and other alloy steels.