An indentation hardness test using calibrated machines to force a square-based pyramidal diamond indenter having specified face angles, under a predetermined load, into the surface of the material under test and to measure the diagonals of the resulting impression after removal of the load.
Hypertherm ‘Cut with Confidence’ 60 Seconds Video Contest
Here's Jim Colt telling us about a new video contest anyone with a Hypertherm product can easily enter. T-shirts for just entering and nice prizes, too. Check it out!
From the Web: Remembering Rosie; GM invests; new jobs; subpar growth; and Uber’s economic role - by Vicki Bell Web articles for fabricators—A tale of two Rosies; GM to invest billions; new jobs in Chattanooga; and the current and future economy.
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