ENGINEERING STEELS + ALLOYS

M2 High Speed Steel

Wolfram (Tungsten) Molybdenum, Vanadium based, well known standard high speed steel with high wear resistance. It shows a high toughness and high hardness.Applications: Cutting tools, twist drills, milling cutters, stamping and cutting tools, broaches, forming tools, woodworking tools, cold extrusion press tools
Colour Code Stocked Sizes
Condition of Delivery Soft Annealed to max 262HB
Related Specifications
Australia
Germany  DIN 1.3343 (S 6-5-2)
Great Britain
International
Japan
USA AISI M2
Chemical Composition
Carbon 0.90
Chromium 4.00
Molybdenum 5.00
Vanadium 1.90
Tungsten 6.40
Physical Properties
Thermal Expansion Co-efficient
Thermal Conductivity
Heat Treatment
Pre Heating Steps Hardening Temp. Quenching Medium Tempering Temp. Hardness after tempering
a)1.step at 850°Cb)1.step at 850°C2.step at 1050°C  1180 - 1230°C a) Hot Bath 550°C+airb) Oilc) Aird) Vacuum 530°C - 570°C at least 3 times  64-66 HRC
Machining
Excellent
Corrosion Resistance
Poor
Soldering
Fair
Welding
Gas/Arc poor. Not recommended
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