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AF71

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SA-790 Type 2507 AF 1410
#AF-71

Description

USA UNS SAE J 467 (1968), AF71 Specialsteel Special Purpose Alloys ("Superalloys") and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: AF71
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel AF71 Precipitation-Hardening UNS USA Special Purpose Alloys ("Superalloys")

Chemical composition(mass fraction)(wt.%) of the AF71

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo W V B
≤0.30 ≤0.30 ≤18.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤12.50 ≤ ≥ ≤ ≥ ≤ ≥ ≤remaining ≤0.20 ≤3.00 ≤ ≥ ≤0.90 ≤0.20

Mechanical Properties of steel grade AF71

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)
762 (≥) 735 (≥) 23 34 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade AF71

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 - -     0.44 -  
565 431 - 11.3 232   -  
256 - 12 31.2   423 411

Heat Treatment of steel grade AF71

Heat treated : 1879°C - 1116°C

Technological Curves of steel grade AF71

Cross Reference Table (Equivalent Grade) of AF71

Grade Standard Country Application
AF-71

Relevant standard of AF71

SAE J 467 (1968) Special Purpose Alloys ("Superalloys") SAE-J-467-(1968).pdf
SA-790 Type 2507 AF 1410
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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