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Description

AF-71 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: AF-71
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy AF-71
439 UF
440-XH
654-SMO
744X
2205(C)
2507
4565 S
AERMET100
AerMet 310 Alloy
AF2-1DA

Chemical composition(mass fraction)(wt.%) of the AF-71

C
Si
Mn
P
S
Cr Ni
0.30 0.30 18.0     12.5  
Mo Al Cu Nb Ti V Ce
3.00         0.90  
N Co Pb B Other    
0.20     0.20 Fe...    
             

Mechanical Properties of steel grade AF-71

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)
579 (≥) 218 (≥) 34 33 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade AF-71

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
44 - -     0.33 -  
919 343 - 41.3 414   -  
239 - 21 42.2   132 132

Heat Treatment of steel grade AF-71

Heat treated : 1715°C - 1317°C

Technological Curves of steel grade AF-71


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