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Japan JIS STK290 一般结构用碳素钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: STK290 / STK290
Category Grade Standard Region/Area Standard Content
Metals STK290 JIS G3444 Japan 一般结构用碳素钢管

Chemical composition(mass fraction)(wt.%) of the STK290

Element Min Max Similar
S - 0.0500 -
P - 0.0500 -
Other - - -

Mechanical Properties of steel grade STK290

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)
976 (≥) 949 (≥) 31 43 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade STK290

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 - -     0.34 -  
666 947 - 24.3 421   -  
546 - 13 44.2   444 144

Heat Treatment of steel grade STK290

Heat treated : 1425°C - 1895°C

Technological Curves of steel grade STK290

Cross Reference Table (Equivalent Grade) of STK290

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