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AISI 8642

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America AISI AISI8642 Estimated mechanical properties and machinability of steel bars and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: AISI8642 / AISI 8642
Category Grade Standard Region/Area Standard Content
Metals AISI 8642 SAE J 1397 America Estimated mechanical properties and machinability of steel bars

Chemical composition(mass fraction)(wt.%) of the AISI 8642

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0400 -
P - 0.0350 -
Ni 0.4000 0.7000 -
Mo 0.1500 0.2500 -
Mn 0.7500 1.0000 -
Cu - 0.3500 -
Cr 0.4000 0.6000 -
C 0.4000 0.4500 -
C 0.4000 0.4500 -
Mn 0.7500 1.0000 -
P - 0.0350 -
S - 0.0400 -
Si 0.1500 0.3500 -
Ni 0.4000 0.7000 -
Cr 0.4000 0.6000 -
Mo 0.1500 0.2500 -
Cu - 0.3500 -
C 0.4000 0.4500 -
Mn 0.7500 1.0000 -
P - 0.0400 -
S - 0.0400 -
Si 0.1500 0.3500 -
Ni 0.4000 0.7000 -
Cr 0.4000 0.6000 -
Mo 0.1500 0.2500 -
Cu - 0.3500 -
C 0.4000 0.4500 -
Mn 0.7500 1.0000 -
P - 0.0250 -
S - 0.0250 -
Si 0.1500 0.3000 -
Ni 0.4000 0.7000 -
Cr 0.4000 0.6000 -
Mo 0.1500 0.2500 -

Mechanical Properties of steel grade AISI 8642

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)
927 (≥) 152 (≥) 24 24 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade AISI 8642

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 - -     0.32 -  
785 931 - 41.3 332   -  
519 - 33 32.2   432 122

Heat Treatment of steel grade AISI 8642

Heat treated : 1676°C - 1819°C

Technological Curves of steel grade AISI 8642

Cross Reference Table (Equivalent Grade) of AISI 8642

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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