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Japan JIS STB340 锅炉和热交换器用碳钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: STB340 / STB 340
Category Grade Standard Region/Area Standard Content
Metals STB 340 JIS G3461 Japan 锅炉和热交换器用碳钢管

Chemical composition(mass fraction)(wt.%) of the STB 340

Element Min Max Similar

Mechanical Properties of steel grade STB 340

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)
745 (≥) 611 (≥) 11 32 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade STB 340

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
31 - -     0.24 -  
617 153 - 13.3 223   -  
734 - 32 23.2   223 341

Heat Treatment of steel grade STB 340

Heat treated : 1162°C - 1964°C

Technological Curves of steel grade STB 340

Cross Reference Table (Equivalent Grade) of STB 340

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