Quarter Hard (No. 3 Temper)
(A) In low carbon cold rolled strip steel, a medium soft temper produced by a limited amount of cold rolling after annealing. (B) In brass mill terminology. Quarter hard is one B and S number hard or 10.95% reduction. (C) In stainless steel terminology tempers are based on minimum tensile, or yield strength. For Chromium Nickel grades Quarter Hard Temper is 125,000 T. S., 75,000 Y.S. min.
