Available 24/7 at contact@steel-grades.com

Japan JIS SK90 碳工具鋼鋼料 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SK90 / SK 90
Category Grade Standard Region/Area Standard Content
Metals SK 90 JIS G4401 Japan 碳工具鋼鋼料

Chemical composition(mass fraction)(wt.%) of the SK 90

Element Min Max Similar
Si 0.1000 0.3500 -
S - 0.0300 -
P - 0.0300 -
Ni - 0.2500 -
Mn 0.1000 0.5000 -
Cu - 0.2500 -
Cr - 0.3000 -
C 0.8500 0.9500 -

Mechanical Properties of steel grade SK 90

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)
628 (≥) 597 (≥) 21 33 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade SK 90

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
11 - -     0.23 -  
673 634 - 44.3 241   -  
172 - 24 13.2   111 412

Heat Treatment of steel grade SK 90

Heat treated : 1412°C - 1595°C

Technological Curves of steel grade SK 90

Cross Reference Table (Equivalent Grade) of SK 90

Available Suppliers

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...

Rfq.: sales@longhaisteel.com
  • Do you supply this SK 90?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top