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America SAE 8641 Former SAE Standard and Former SAE Ex-Steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 8641 / 8641
Category Grade Standard Region/Area Standard Content
Metals 8641 SAE J 1249 America Former SAE Standard and Former SAE Ex-Steels

Chemical composition(mass fraction)(wt.%) of the 8641

Element Min Max Similar

Mechanical Properties of steel grade 8641

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)
239 (≥) 264 (≥) 21 11 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade 8641

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
34 - -     0.13 -  
382 857 - 41.3 111   -  
139 - 31 42.2   333 144

Heat Treatment of steel grade 8641

Heat treated : 1997°C - 1284°C

Technological Curves of steel grade 8641

Cross Reference Table (Equivalent Grade) of 8641

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