Specification for severity levels for discontinuities in steel castings.  Surface discontinuities revealed by magnetic particle flaw detection /  Part 1. 
British Standards Institution 
 - 10 leaves :  illustrations ;  30 cm. 
 - British standard ;  BS 4080 : Part 1 : 1989 .
 - British standard ;  BS 4080 : Part 1 : 1989 .
<br/><br/><label>ISBN: </label>0580172147 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Defects.<br/>Surface defects.<br/>Non-destructive testing.