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Japan JIS STKM17A 机械结构用碳素钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: STKM17A / STKM17A
Category Grade Standard Region/Area Standard Content
Metals STKM17A JIS G3445 Japan 机械结构用碳素钢管

Chemical composition(mass fraction)(wt.%) of the STKM17A

Element Min Max Similar

Mechanical Properties of steel grade STKM17A

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)
731 (≥) 186 (≥) 41 33 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade STKM17A

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
24 - -     0.12 -  
556 968 - 12.3 411   -  
312 - 42 14.2   134 121

Heat Treatment of steel grade STKM17A

Heat treated : 1463°C - 1623°C

Technological Curves of steel grade STKM17A

Cross Reference Table (Equivalent Grade) of STKM17A

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