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864 Grade 1 Class 3 Type 3

America SAE 864Grade1Class3Type3 Sintered powder metal parts: Ferrous and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals 864 Grade 1 Class 3 Type 3 SAE J 471 America Sintered powder metal parts: Ferrous

Chemical composition(mass fraction)(wt.%) of the 864 Grade 1 Class 3 Type 3

Element Min Max Similar
Other - 2.0000 -
Cu 1.0000 3.0000 -
C 0.6000 0.9000 -

Mechanical Properties of steel grade 864 Grade 1 Class 3 Type 3

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)
673 (≥) 586 (≥) 31 31 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade 864 Grade 1 Class 3 Type 3

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
24 - -     0.24 -  
683 829 - 24.3 244   -  
145 - 44 43.2   434 414

Heat Treatment of steel grade 864 Grade 1 Class 3 Type 3

Heat treated : 1615°C - 1872°C

Technological Curves of steel grade 864 Grade 1 Class 3 Type 3

Cross Reference Table (Equivalent Grade) of 864 Grade 1 Class 3 Type 3

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