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SA-739 Grade B 22

America ASME SA-739GradeB22 高温或受压件、或高温并受压件用热加工合金钢棒材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SA-739GradeB22 / SA-739 Grade B 22
Category Grade Standard Region/Area Standard Content
Metals SA-739 Grade B 22 ASME SA-739 America 高温或受压件、或高温并受压件用热加工合金钢棒材

Chemical composition(mass fraction)(wt.%) of the SA-739 Grade B 22

Element Min Max Similar

Mechanical Properties of steel grade SA-739 Grade B 22

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)
673 (≥) 149 (≥) 24 33 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade SA-739 Grade B 22

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
22 - -     0.31 -  
163 242 - 32.3 341   -  
491 - 12 12.2   123 244

Heat Treatment of steel grade SA-739 Grade B 22

Heat treated : 1313°C - 1434°C

Technological Curves of steel grade SA-739 Grade B 22

Cross Reference Table (Equivalent Grade) of SA-739 Grade B 22

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