HIGH SPEED STEEL T4

Hard Speed steels are principally utilized for assembling devices utilized as a part of machining plastics, metals and woods. However, tool steels must be fabricated into the desired shape before they are able to be used. They have good toughness, wear resistance, machinability and resistance to decarburization.

T4 device steel is a high speed, tungsten sort device steel. It is a profound solidifying compound equipped for Rockwell C 64 hardness.




Chemical Composition


Elements
Min
Max
Carbon, C0.700.85
Manganese, Mn0.000.40
Silicon, Si0.000.40
Molybdenum, Mo0.000.00
Chromium,Cr4.505.50
W17.0019.00
V0.801.20
Co4.505.50

Physical Properties


Properties
Metric
Imperial
Density 8.68 g/cm3 0.313 lb/in3
Melting point 1432°C 2610°F

Mechanical Properties


Properties
Metric
Imperial
Modulus of elasticity190-210 GPa27557-30458 ksi
Poisson’s ratio0.27-0.300.27-0.30

Thermal Properties


Properties
Metric
Imperial
Thermal expansion co-efficient11.9 µm/m°C6.6 µin/in°F-


Features


   Heat Treatment

   Tempering

   Annealing

   Machinability

   Hardening

   Stress Relieving

   Welding

   Forming

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