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

Japan JIS STK490 一般结构用碳素钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: STK490 / STK490
Category Grade Standard Region/Area Standard Content
Metals STK490 JIS G3444 Japan 一般结构用碳素钢管

Chemical composition(mass fraction)(wt.%) of the STK490

Element Min Max Similar
Si - 0.5500 -
S - 0.0350 -
P - 0.0350 -
Other - - -
Mn - 1.6500 -
C - 0.1800 -

Mechanical Properties of steel grade STK490

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)
768 (≥) 898 (≥) 24 41 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade STK490

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
41 - -     0.21 -  
841 383 - 11.3 311   -  
635 - 33 11.2   443 221

Heat Treatment of steel grade STK490

Heat treated : 1631°C - 1276°C

Technological Curves of steel grade STK490

Cross Reference Table (Equivalent Grade) of STK490

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 STK490?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top