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SA-193 Grade B8M Class 1

America ASME SA-193GradeB8MClass1 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 B8M Class 1 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 B8M Class 1

Element Min Max Similar
Si - 1.0000 -
S - 0.0300 -
P - 0.0450 -
Ni 10.0000 14.0000 -
Mo 2.0000 3.0000 -
Mn - 2.0000 -
Cr 16.0000 18.0000 -
C - 0.0800 -

Mechanical Properties of steel grade SA-193 Grade B8M Class 1

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)
621 (≥) 759 (≥) 33 43 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade SA-193 Grade B8M Class 1

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
33 - -     0.41 -  
275 578 - 34.3 442   -  
416 - 32 34.2   322 211

Heat Treatment of steel grade SA-193 Grade B8M Class 1

Heat treated : 1733°C - 1794°C

Technological Curves of steel grade SA-193 Grade B8M Class 1

Cross Reference Table (Equivalent Grade) of SA-193 Grade B8M Class 1

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