HIGH SPEED STEEL T1

T1 is a tungsten alloyed high speed steel for grating wear applications. Tungsten is a decent carbide former utilized as a part of high speed steel and hot shaping instrument steels.

It is a steel gray metal that increases temperature and red hardness, prevents gain growth and improves toughness of steels.Tungsten high speed steel instrument steels or group T steels range from T1 to T15 arrangement.


T1 will concentrate on the compound composition, physical, mechanical and thermal properties and other designations of T1 tool steels.



Chemical Composition


Element
Min
Max
Carbon, C0.70 0.85
Manganese, Mn-.--0.40
Silicon, Si-.-- 0.40
Molybdenum, Mo-- --
Chromium,Cr3.804.50
W17.0019.00
V0.801.20
Co----

Physical Properties


Physical properties
Metric
Imperial
Density8.67 g/cm30.313 lb/in3

Mechanical Properties


Properties
Metric
Imperial
Hardness, Rockwell C63.0 - 65.063.0 - 65.0
Poisson's ratio0.27-0.300.27-0.30
Elastic modulus190-210 GPa27557-30457 ksi

Thermal Properties


Properties
 
Conditions
 
T (ºC)Treatment
Thermal expansion9.7 x 10-6/ºC20-200 more-
Thermal conductivity19.9 x W/m-K100 more-


Features


   Forging

   Tempering

   Annealing

   Preheating

   Hardening

   Stress Relieving

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