In steel sheet, strip, and wire technology, the term refers to heat treatment in a reducing atmosphere, to lessen the amount of scale. DISH A concave surface departing from a straight line edge to edge. Indicates transverse or across the width. A hardened and tempered spring steel strip, usually blued, produced from approximately .85 carbon cold rolled spring steel strip specially selected for straightness and good edges. Sometimes hand straightened or straightened by grinding and cut to desired lengths.
Commercial qualities embrace water and oil hardening grades.
A less popular but nevertheless standard grade is a non-deforming quality. Drill Rods are used principally by machinists and tool and die makers for punches, drills, taps, dowel pins, screw machine parts, small tools, etc. In steel, ductility is usually measured by elongation and reduction of area as determined in a tensile test. 2000 Metals Aerospace International - Metalmart. All rights reserved.