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Germany DIN ASt35.8 Seamless steel tubes for elevated temperatures; Technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ASt35.8 / ASt 35.8
Category Grade Standard Region/Area Standard Content
Metals ASt 35.8 DIN 17175-1 Germany Seamless steel tubes for elevated temperatures; Technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the ASt 35.8

Element Min Max Similar
Si - 0.3500 -
S - 0.0500 -
P - 0.0500 -
Mn 0.4000 - -
C - 0.1700 -

Mechanical Properties of steel grade ASt 35.8

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)
238 (≥) 728 (≥) 22 34 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade ASt 35.8

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 - -     0.14 -  
598 947 - 34.3 232   -  
348 - 43 32.2   431 411

Heat Treatment of steel grade ASt 35.8

Heat treated : 1832°C - 1285°C

Technological Curves of steel grade ASt 35.8

Cross Reference Table (Equivalent Grade) of ASt 35.8

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