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A567 Grade 7V

America ASTM A567Grade7V 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: A567Grade7V / A567 Grade 7V
Category Grade Standard Region/Area Standard Content
Metals A567 Grade 7V 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 7V

Element Min Max Similar
Zr 0.0500 0.1500 -
Ti 0.5000 1.0000 -
Si - 0.5000 -
S - 0.0150 -
Ni - - -
Mo 3.8000 5.2000 -
Mn - 0.2500 -
Fe - 2.5000 -
Cr 12.0000 14.0000 -
Cb+Ta 1.8000 2.8000 -
C 0.0800 0.2000 -
B 0.0050 0.0150 -
Al 5.5000 6.5000 -

Mechanical Properties of steel grade A567 Grade 7V

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)
795 (≥) 712 (≥) 32 32 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade A567 Grade 7V

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
43 - -     0.11 -  
581 485 - 44.3 144   -  
559 - 22 22.2   311 314

Heat Treatment of steel grade A567 Grade 7V

Heat treated : 1612°C - 1912°C

Technological Curves of steel grade A567 Grade 7V

Cross Reference Table (Equivalent Grade) of A567 Grade 7V

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