Burst, Chain Porosity, Chafing, Chatter Marks, Clearly separated, Cluster, Cold Shut

Tabel 2.1 e

DEFFECT	DESCRIPTION
Burst	Crack caused by rupture extending out ward for a central point.
Chain Porosity	Porosity in linear alignment.
Chafing	A rubbing action between parts having limited relative motion. To be interpreted as an action which produces a surface condition rather than as a description of a damage. See also “gall” or “scratch”.
Chatter Marks	Waves or ripples on a machined surface, in the direction of the cut. Caused by a loose or dull cutting tool, or a tool that is not rigidly supported.
Clearly separated	Imperfections which are not touching when viewed with the unaided eye
Cluster	Two or more imperfections, clearly separated which can be contained within a circle of the maximum diameter allowed circle shall be counted as one imperfection
Cold Shut	Intermittent of continuous lines caused by unfused material.