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Germany DIN 1.6368 Non-alloy and alloy steels with specified properties at moderately elevated and elevated temperatures for pressure vessel purposes; Technical delivery conditions for flat products and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.6368 / 1.6368
Category Grade Standard Region/Area Standard Content
Metals 1.6368 SEW 028 Germany Non-alloy and alloy steels with specified properties at moderately elevated and elevated temperatures for pressure vessel purposes; Technical delivery conditions for flat products

Chemical composition(mass fraction)(wt.%) of the 1.6368

Element Min Max Similar
Si 0.2500 0.5000 -
S - 0.0200 -
P - 0.0250 -
Ni 1.0000 1.3000 -
Nb 0.0150 0.0450 -
Mo 0.2500 0.5000 -
Mn 0.8000 1.2000 -
Cu 0.5000 0.8000 -
Cr - 0.3000 -
C - 0.1700 -
Al - 0.0500 -
Si 0.2500 0.5000 -
S - 0.0250 -
P - 0.0300 -
Ni 1.0000 1.3000 -
Nb 0.0150 0.0450 -
N - 0.0200 -
Mo 0.2500 0.5000 -
Mn 0.8000 1.2000 -
Cu 0.5000 0.8000 -
Cr - 0.3000 -
C - 0.1700 -
Al 0.0150 - -

Mechanical Properties of steel grade 1.6368

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)
792 (≥) 243 (≥) 13 11 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade 1.6368

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
32 - -     0.31 -  
147 764 - 11.3 241   -  
868 - 24 33.2   141 223

Heat Treatment of steel grade 1.6368

Heat treated : 1396°C - 1493°C

Technological Curves of steel grade 1.6368

Cross Reference Table (Equivalent Grade) of 1.6368

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