HIGH SPEED STEEL T42

High Speed Steel, T42, has been utilized as high-performance cutting and moving instruments. Its primary applications involve a combination of high strength, wear resistance, high hardness, durability, fatigue resistance, and thermal resistance. This advanced material offers superior cutting performance, hot hardness, and an excellent degree of toughness, making it ideal for demanding machining environments. Additionally, T42 is known for its ability to retain cutting edges even under extreme temperatures, ensuring long-lasting efficiency and precision.

Chemical Composition

Chemical Element Mix Min
Carbon, C 1.15 1.30
Manganese (Mn) 0.40
Silicon (Si) 0.40
Molybdenum, Mo 3.00 4.00
Chromium (Cr) 3.80 4.50
W 9.00 11.00
V 3.00 3.70
Co 9.00 11.00

PHYSICAL PROPERTIES

Physical Property Value
Density 2.79 g/cm³
Melting Point 640 °C
Thermal Expansion 73 GPa
Molybdenum, Mo 3.00
Thermal Conductivity 121-193 W/m.K

Mechanical PROPERTIES

Mechanical Property Value
Proof Stress 270 MPa
Tensile Strength 405 Min MPa
Elongation A5 12 Min %

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