Training Online Engineering 1 Machinery's Handbook, 18th Edition, 1970, Industrial Press (Color text the same from 5th to 20th Editions with exception of the addition of Light blue at 640°F). Try a higher tempering temp. Heat Treatment Hardness vs Temperature Table Chart. ... this study the effect of quenching and tempering, iso-thermal annealing and continuous cooling It also offers surprisingly good toughness compared to other steels considering its very high carbon content. Read through our steel forging and tempering chart to learn how to properly heat treat a knife blade and build up its hardness to give it a higher sharpness retention. Devin Thomas likes to call it “Spicy White.” They are both very high carbon steels with relatively low alloy. // --> I know its a bit long. ... As quenched hardness of HRC 65-66 from 1095 is not going to happen the way most knife maker's heat treat it. 1095. Excel App. Here I describe a few things I know about tempering steel. Leave some meat on it, at least 0.020" at the edge and grind without heating to final shape after tempering, else you will surely burn the carbon out of the edge. temperature . Applications & Design, Heat Treating Tool Steels Manufacturing Table Chart, © Copyright 2000 - 2021, by Engineers Edge, LLC All rights reserved Alloy Steel Heat Treating. You can read more about simple the toughness specimens we use here. It features a higher carbon content and a polished finish. When the high-temperature heating is carried out in a salt bath, the range of temperatures should be about 15ºC (25ºF) lower than given in this line. Page 1 of 3 1 2 3 Next > Aug 28, 2010 #1. scs.knives. W1, in the annealed state, machines at 100% of a 1095 carbon steel.