Heat treating (or heat treatment) is a group of industrial, thermal and metalworking processes used to alter the physical, and sometimes chemical, properties...

Differential heat treatment (also called selective heat treatment or local heat treatment) is a technique used during heat treating of steel to harden...

B209 ASTM B221 ASM Handbook Committee (1991). "Heat Treating of Aluminum Alloys". Volume 4: Heat Treating (PDF). ASM. p. 871. doi:10.1361/asmhba0001205...

be brittle, and not suitable for some game hunting.[citation needed] Heat treating can increase the hardness of commonly used lead alloys. The basic procedure...

in the blade they could affect the finishing and when it came time to heat treat the blade, the hardening and tempering might not be as even. Potentially...

necessary to know what state the metal was in for heat treating it and the only way to do this was to heat it up to a colour which was known to be best for...

minimize the cost of excess sprue, and thus overall melting costs. Heat treating is a group of industrial and metalworking processes used to alter the...

both of which are further subdivided into the categories heat-treatable and non-heat-treatable. About 85% of aluminium is used for wrought products, for...

to become harder and stronger through heat treating; however, it becomes less ductile. Regardless of the heat treatment, a higher carbon content reduces...

the blade). Steel's exact flex and strength vary dramatically with heat treating. If steel cools quickly it becomes martensite, which is very hard but...