HIGH SPEED STEEL M35

M35 contains cobalt for expanded hot hardness. The creation of M35 offers a decent mix of durability and hardness.

M35 has a good machinability.Appropriate for warmth treatment up to 66 HRc M35 high speed steel offers superb cutting performance.


They have high heat and abrasion resistant properties and are best used when making heavy cuts, at high speeds and feeds, or where high heat is a factor.



Chemical Composition


Element
Min
Max
Carbon, C0.800.90
Manganese, Mn -.--0.40
Silicon, Si-.--0.40
Molybdenum, Mo4.806.20
Chromium,Cr3.804.50
V1.702.30
W5.506.70
Co4.505.50

Physical Properties


 
 
TEMPERATURE °C / °F
 
 
20 / 70400 / 750600 / 1110
DENSITYKg/m3, lbs/in38150.2948050.297990.228
MODULUS OF ELASTICITYkN/mm32, psi65.265.2
COEFFICIENT OF THERMAL EXPANSION FROM 20°C / 70°Fper °C-11.6 x 10^-611.9 x 10^-6
per °F-6.4 x 10^-66.6 x 10^-6
THERMAL CONDUCTIVITYW/m °C242827
Btu/sq. ft. h °F/in.166194187
SPECIFIC HEATJ/kg °C420510600
Btu/lb °F0.10.120.14

Mechanical Properties


Mechanical properties
Metric
Imperial
Hardness, Rockwell C (oil quenched from 1232°C, 5 mins)64.864.8
Hardness, Rockwell C (oil quenched from 1177°C, 5 mins)65.265.2
Hardness, Rockwell C (oil quenched from 1204°C, 5 mins)65.265.2
Modulus of elasticity207 GPa30000 ksi
Machinability (1% carbon steel)45.0 - 50.0%45.0 - 50.0%

Thermal Properties


Thermal properties
Metric
Imperial
CTE, linear (@21 - 399°C / 69.8 - 750°F)11.4 μm/m°C6.33 μin/in°F
CTE, linear (@21 - 593°C /69.8 - 1100°F)11.5 μm/m°C6.39 μin/in°F


Features


   Heat Treatment

   Tempering

   Annealing

   Hardening

   Stress Relieving

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