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Japan JIS STKM13A 机械结构用碳素钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: STKM13A / STKM13A
Category Grade Standard Region/Area Standard Content
Metals STKM13A JIS G3445 Japan 机械结构用碳素钢管

Chemical composition(mass fraction)(wt.%) of the STKM13A

Element Min Max Similar

Mechanical Properties of steel grade STKM13A

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)
531 (≥) 336 (≥) 33 24 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade STKM13A

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
43 - -     0.41 -  
387 922 - 43.3 132   -  
324 - 43 13.2   124 114

Heat Treatment of steel grade STKM13A

Heat treated : 1344°C - 1393°C

Technological Curves of steel grade STKM13A

Cross Reference Table (Equivalent Grade) of STKM13A

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