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Japan JIS STB52 锅炉和热交换器用碳钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: STB52 / STB 52
Category Grade Standard Region/Area Standard Content
Metals STB 52 JIS G3461 Japan 锅炉和热交换器用碳钢管

Chemical composition(mass fraction)(wt.%) of the STB 52

Element Min Max Similar
Si - 0.3500 -
S - 0.0350 -
P - 0.0350 -
Mn 1.0000 1.5000 -
C - 0.2500 -

Mechanical Properties of steel grade STB 52

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)
275 (≥) 748 (≥) 41 23 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade STB 52

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 - -     0.43 -  
128 241 - 43.3 132   -  
721 - 22 34.2   144 421

Heat Treatment of steel grade STB 52

Heat treated : 1597°C - 1431°C

Technological Curves of steel grade STB 52

Cross Reference Table (Equivalent Grade) of STB 52

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