What is ASTM 648?

What is ASTM 648? ASTM D648 determines the temperature at which an arbitrary deformation occurs when specimens are subjected to an arbitrary set of testing conditions. ASTM D648 applies to molded and sheet materials available in thicknesses of 3 mm (0.125 in) or greater which are rigid or semirigid at Read more…

What is the workable Gage?

What is the workable Gage? “Workable gages are derived from past recommendations from fabricators that effectively fulfilled two purposes. The first was to satisfy minimum edge distance and spacing requirements, as well as providing for entering/tightening clearances. What is workable flat HSS? The term workable flat refers to a reasonable Read more…