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SFVA F 21B

Japan JIS SFVAF21B 高温压力容器用合金钢锻件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SFVAF21B / SFVA F 21B
Category Grade Standard Region/Area Standard Content
Metals SFVA F 21B JIS G3203 Japan 高温压力容器用合金钢锻件

Chemical composition(mass fraction)(wt.%) of the SFVA F 21B

Element Min Max Similar

Mechanical Properties of steel grade SFVA F 21B

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)
531 (≥) 351 (≥) 14 31 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade SFVA F 21B

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 - -     0.43 -  
751 661 - 13.3 322   -  
437 - 23 31.2   231 344

Heat Treatment of steel grade SFVA F 21B

Heat treated : 1711°C - 1857°C

Technological Curves of steel grade SFVA F 21B

Cross Reference Table (Equivalent Grade) of SFVA F 21B

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