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Japan JIS STH11 高压气瓶用无缝钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: STH11 / STH 11
Category Grade Standard Region/Area Standard Content
Metals STH 11 JIS G3429 Japan 高压气瓶用无缝钢管

Chemical composition(mass fraction)(wt.%) of the STH 11

Element Min Max Similar
Mo - - -
Cr - - -
Ni - - -
S - 0.0350 -
P - 0.0350 -
Mn - 1.8000 -
Si 0.1000 0.3500 -
C - 0.5000 -

Mechanical Properties of steel grade STH 11

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)
634 (≥) 586 (≥) 32 22 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade STH 11

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
14 - -     0.24 -  
891 121 - 32.3 244   -  
557 - 13 11.2   244 332

Heat Treatment of steel grade STH 11

Heat treated : 1537°C - 1337°C

Technological Curves of steel grade STH 11

Cross Reference Table (Equivalent Grade) of STH 11

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