ONORM EN 10139 : 2016

Foreword
1 Scope
2 Normative references
3 Definition
4 Classification of grades and delivery condition
5 Designation
6 Properties
    6.1 Production processes and chemical composition
    6.2 Choice of properties
    6.3 Mechanical and technological properties
    6.4 Surface characteristics
    6.5 Stretcher strains
    6.6 Suitablity for the application of surface coatings
    6.7 Weldability
    6.8 Dimensions, mass, permissible tolerances
7 Testing
    7.1 Agreement of acceptance testing
    7.2 Acceptance units and number of tests
    7.3 Sampling and preparation of test pieces
    7.4 Test methods to be followed
    7.5 Re-tests
8 Marking
9 Oiling
10 Packing
11 Information to be supplied by the purchaser
12 Disputes
Annex A (normative) Method of determination of the plastic
strain ratio r
Annex B (normative) Method of determination of strain hardening
exponent n
Annex C (informative) List of national standards complying
with the euronorms given in the references (see clause 2)

Applicable to cold rolled narrow strip in coils and cut lengths in thickness not exceeding 10 mm and widths under 600 mm, made of mild, unalloyed and alloyed steels according to Table 1. Suitable for cold forming and surface coating, but not for hardening treatment prior to tempering.