T1 is belong to tungsten high speed steel,T1 is a good carbide former used in high speed steels and hot forming tool steels. It is a steel gray metal that increases temperature and red hardness, prevents gain growth and improves toughness of steels.
Chemical Composition Table (%)
Thermal Conductivity at °C
Heat Treatment Instruction
Cool slowly in dry sand or in other insulating media.
Cool slowly at a rate of 35° F per hour to 1000° F.
For best results, insulating media is desirable. Hold at temperature for 2 hours.
Stress relieve after rough machining
Preheat time in furnace is ¾ Hr. per inch of thickness. Heating up to temperature as slow as possible.
2325-2375° F (furnace) 2275-2350° F (salt bath)
Quench in air or warm oil. To minimize quenching strains, quench in salt at 1000° F
For maximum wear resistance, harden at 2375° F. For maximum toughness and high hardness, harden at 2275° F.
Double tempering is recommended. The usual tempering time is 2+2 hours. Recommended temperature is 1000-1075° F for cutting tools. 1100-1200° F for shock tools
T1 tool steel is usually used in the manufacture of all kinds of cutting tools,such as turning tool,milling cutter,cutter,reamer
,drill bit,saw blade,tap,etc. The T1 steel can also be used for high temperature wear resistance parts and cold work tool steel.
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