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A567 Grade 8

America ASTM A567Grade8 在高温下高强度的铁基,钴基和镍基合金铸件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A567Grade8 / A567 Grade 8
Category Grade Standard Region/Area Standard Content
Metals A567 Grade 8 ASTM A567/A567M America 在高温下高强度的铁基,钴基和镍基合金铸件

Chemical composition(mass fraction)(wt.%) of the A567 Grade 8

Element Min Max Similar
Ti 1.5000 2.5000 -
Si - 0.6000 -
S - 0.0400 -
Ni - - -
Mo 4.5000 6.0000 -
Mn - 0.2500 -
Fe 8.0000 12.0000 -
Cr 14.0000 17.0000 -
C 0.1000 0.2000 -
B 0.0250 0.0700 -
Al 2.5000 3.5000 -

Mechanical Properties of steel grade A567 Grade 8

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)
741 (≥) 684 (≥) 41 23 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade A567 Grade 8

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
31 - -     0.14 -  
551 768 - 12.3 224   -  
971 - 24 43.2   342 133

Heat Treatment of steel grade A567 Grade 8

Heat treated : 1332°C - 1896°C

Technological Curves of steel grade A567 Grade 8

Cross Reference Table (Equivalent Grade) of A567 Grade 8

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