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A193 B8MN Class 1D

America ASTM A193B8MNClass1D 高温或高压设备和其他特殊用途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 A193 B8MN Class 1D ASTM A193/A193M America 高温或高压设备和其他特殊用途用合金钢和不锈钢螺栓材料

Chemical composition(mass fraction)(wt.%) of the A193 B8MN Class 1D

Element Min Max Similar
C - 0.0800 -
Mn - 2.0000 -
P - 0.0450 -
S - 0.0300 -
Si - 1.0000 -
Ni 10.0000 13.0000 -
Cr 16.0000 18.0000 -
Mo 2.0000 3.0000 -
N 0.1000 0.1600 -

Mechanical Properties of steel grade A193 B8MN Class 1D

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)
747 (≥) 381 (≥) 41 21 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade A193 B8MN Class 1D

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 - -     0.32 -  
924 889 - 32.3 144   -  
259 - 22 14.2   233 124

Heat Treatment of steel grade A193 B8MN Class 1D

Heat treated : 1971°C - 1745°C

Technological Curves of steel grade A193 B8MN Class 1D

Cross Reference Table (Equivalent Grade) of A193 B8MN Class 1D

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