Acro News

Archive | February, 2016

Understanding Material Temper

Most of us are familiar with the old hardness call outs: Full Hard, Half Hard, Etc.  But some of the numbering systems can be confusing.  As the temper number goes up for steel the material get softer, but as the number goes up for copper it gets harder.  Many of these numeric or descriptive tempers […]

Continue Reading 0