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Japan JIS SUH21 耐热钢板,薄板和带钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SUH21 / SUH 21
Category Grade Standard Region/Area Standard Content
Metals SUH 21 JIS G4312 Japan 耐热钢板,薄板和带钢

Chemical composition(mass fraction)(wt.%) of the SUH 21

Element Min Max Similar
Si - 1.5000 -
S - 0.0300 -
P - 0.0400 -
Other - - -
Ni - 0.6000 -
Mn - 1.0000 -
Cr 17.0000 21.0000 -
C - 0.1000 -
Al 2.0000 4.0000 -

Mechanical Properties of steel grade SUH 21

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)
398 (≥) 528 (≥) 12 43 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade SUH 21

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
43 - -     0.21 -  
284 184 - 24.3 112   -  
578 - 14 24.2   143 331

Heat Treatment of steel grade SUH 21

Heat treated : 1564°C - 1326°C

Technological Curves of steel grade SUH 21

Cross Reference Table (Equivalent Grade) of SUH 21

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