HIGH SPEED STEEL T42

High Speed Steel, T42 have been utilized as high performance cutting and moving instruments.

Devices basic application is a blend of high quality, wear resistance, high hardness together with durability, weakness resistance and warm resistance.


It is a high performance high speed steel with optimum cutting performance and also has a hot hardness with a good degree of toughness.



Chemical Composition


Chemical Element
Min
Max
Carbon, C1.15 1.30
Manganese (Mn)-.-- 0.40
Silicon (Si)-.-- 0.40
Molybdenum, Mo3.00 4.00
Chromium (Cr)3.80 4.50
W9.00 11.00
V3.00 3.70
Co9.00 11.00

Physical Properties


Physical Property
Value
Density 2.79 g/cm³
Melting Point640 °C
Thermal Expansion23.10 x10^-6 /K
Modulus of Elasticity73 GPa
Thermal Conductivity121-193 W/m.K

Mechanical Properties


Mechanical Property
Value
Proof Stress270 MPa
Tensile Strength405 Min MPa
Elongation A512 Min %


Features


   Heat Treatment

   Tempering

   Soft Annealing

   Hardening

   Stress Relieving

   Forging

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