NF EN 24505 : 1993

Cooperating organizations
National foreword
Foreword
Method
1 Scope and field of application
2 Apparatus
3 Preparation of test piece sections
4 Procedure
5 Test report
Figures
1 Type A apparent porosity (x 100)
2 Type A apparent porosity (x 200)
3 Type B apparent porosity (x 100)
4 Uncombined carbon (x 100)
National annex
NA (informative) Committees responsible

Specifies methods for the metallographic determination of the type, presence and distribution of porosity and uncombined carbon in hardmetals. Coverage includes procedure, apparatus, and preparation of test piece sections. Also includes detailed diagrams.