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A567 Grade 12

America ASTM A567Grade12 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: A567Grade12 / A567 Grade 12
Category Grade Standard Region/Area Standard Content
Metals A567 Grade 12 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 12

Element Min Max Similar
W 6.5000 7.5000 -
Si 0.7500 1.0000 -
S - 0.0400 -
P - 0.0400 -
Ni 9.5000 11.5000 -
Mn 0.4000 0.6000 -
Fe - 2.0000 -
Cr 28.5000 30.5000 -
Co - - -
C 0.2000 0.3000 -
B 0.0050 0.0150 -

Mechanical Properties of steel grade A567 Grade 12

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)
313 (≥) 717 (≥) 13 43 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade A567 Grade 12

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 - -     0.13 -  
358 427 - 44.3 342   -  
626 - 32 24.2   423 122

Heat Treatment of steel grade A567 Grade 12

Heat treated : 1836°C - 1558°C

Technological Curves of steel grade A567 Grade 12

Cross Reference Table (Equivalent Grade) of A567 Grade 12

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