DD ENV 10247:1998
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Micrographic examination of the nonmetallic inclusion content of steels using standard pictures
Hardcopy , PDF
31-05-2007
English
15-03-2001
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Contents
National Foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Principles
4 Definitions
5 Symbols and designations
6 Sampling
7 Test method
8 Types of assessment
9 Test report
Annex A (normative) Type of inclusions
Annex B (normative) Parameters and assessments to be
used if not otherwise specified
Annex C (informative) Examples for inclusions of
different types
Annex D (informative) Shape factor
Annex E (informative) Examples for Magnification
Annex F (informative) Details of the eyepiece graticule
Annex G (normative) Manufacturing of Eyepiece graticule
Annex H (normative) Calculation basis for the pictures of
the chart
Annex K (normative) Rules for classification
Annex L (informative) Comparison of inclusion types in
different standards
Annex M (informative) Worst inclusion assessment
Annex N (informative) Worst field assessment
Annex P (informative) Average field assessment
Annex Q (normative) Calculation basis for the assessment
Annex R (normative) Determination of precision and scanning
parameters for average field assessment
Annex S (informative) Edge Error correction
Annex T (normative) Calculation of average values of
parameters for one class
Annex U (normative) Average values of parameters
Annex V (informative) Comments of the working group
Annex W (informative) Bibliography
Gives a method of microscopic nonmetallic inclusion assessment with the use of picture charts. It is not applicable to inclusions of length less that 3 mum or smaller than 2 mum width. It is not suitable for free cutting steels.
| Committee |
ISE/1
|
| DocumentType |
Standard
|
| Pages |
68
|
| PublisherName |
British Standards Institution
|
| RevisionOf | |
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| ENV 10247 : 1998 COR 2000 | Identical |
| PD 6635:1999 | Non-alloy steel rod for drawing and/or cold rolling. General purpose rod, rimmed and rimmed substitute low carbon steel rod, rod for special applications. Requirements and tests |
| NFA 04 106 : 1984 | IRON AND STEEL - METHODS OF DETERMINATION OF CONTENT OF NON METALLIC INCLUSIONS IN WROUGHT STEEL - PART 2: MICROGRAPHIC METHOD USING STANDARDS DIAGRAMS |
| DIN 50602:1985-09 | METALLOGRAPHIC TEST METHODS; MICROSCOPIC EXAMINATION OF SPECIAL STEELS USING STANDARD DIAGRAMS TO ASSESS THE CONTENT OF NON-METALLIC INCLUSIONS |
| ISO 9042:1988 | Steels — Manual point counting method for statistically estimating the volume fraction of a constituent with a point grid |
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