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Speed Star High Speed Steel

Global 企业标准 SpeedStarHighSpeedSteel and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals Speed Star High Speed Steel -- Global

Chemical composition(mass fraction)(wt.%) of the Speed Star High Speed Steel

Element Min Max Similar

Mechanical Properties of steel grade Speed Star High Speed Steel

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
825 (≥) 991 (≥) 22 41 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade Speed Star High Speed Steel

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
34 - -     0.13 -  
822 564 - 12.3 331   -  
982 - 23 34.2   144 313

Heat Treatment of steel grade Speed Star High Speed Steel

Heat treated : 1113°C - 1248°C

Technological Curves of steel grade Speed Star High Speed Steel

Cross Reference Table (Equivalent Grade) of Speed Star High Speed Steel

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Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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