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864 Grade 3 Class 3 Type 2

America SAE 864Grade3Class3Type2 Sintered powder metal parts: Ferrous and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals 864 Grade 3 Class 3 Type 2 SAE J 471 America Sintered powder metal parts: Ferrous

Chemical composition(mass fraction)(wt.%) of the 864 Grade 3 Class 3 Type 2

Element Min Max Similar

Mechanical Properties of steel grade 864 Grade 3 Class 3 Type 2

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)
756 (≥) 484 (≥) 23 11 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade 864 Grade 3 Class 3 Type 2

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
21 - -     0.33 -  
198 713 - 12.3 412   -  
586 - 44 11.2   442 342

Heat Treatment of steel grade 864 Grade 3 Class 3 Type 2

Heat treated : 1537°C - 1751°C

Technological Curves of steel grade 864 Grade 3 Class 3 Type 2

Cross Reference Table (Equivalent Grade) of 864 Grade 3 Class 3 Type 2

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