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SA-193 Grade B8MN Class 1B

America ASME SA-193GradeB8MNClass1B 高温用合金钢和不锈钢螺栓材料 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals SA-193 Grade B8MN Class 1B ASME SA-193/SA-193M America 高温用合金钢和不锈钢螺栓材料

Chemical composition(mass fraction)(wt.%) of the SA-193 Grade B8MN Class 1B

Element Min Max Similar

Mechanical Properties of steel grade SA-193 Grade B8MN Class 1B

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)
564 (≥) 333 (≥) 12 41 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade SA-193 Grade B8MN Class 1B

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
42 - -     0.11 -  
211 148 - 13.3 242   -  
744 - 14 34.2   431 144

Heat Treatment of steel grade SA-193 Grade B8MN Class 1B

Heat treated : 1194°C - 1639°C

Technological Curves of steel grade SA-193 Grade B8MN Class 1B

Cross Reference Table (Equivalent Grade) of SA-193 Grade B8MN Class 1B

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