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8622 RH

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America SAE 8622RH Restricted hardenability bands for selected alloy steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 8622RH / 8622 RH
Category Grade Standard Region/Area Standard Content
Metals 8622 RH SAE J 1868 America Restricted hardenability bands for selected alloy steels

Chemical composition(mass fraction)(wt.%) of the 8622 RH

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0400 -
P - 0.0250 -
Ni 0.4000 0.7000 -
Mo 0.1500 0.2500 -
Mn 0.7000 0.9000 -
Cu - 0.3500 -
Cr 0.4000 0.6000 -
C 0.2000 0.2500 -

Mechanical Properties of steel grade 8622 RH

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)
963 (≥) 738 (≥) 24 31 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade 8622 RH

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
22 - -     0.42 -  
429 648 - 22.3 231   -  
565 - 12 42.2   214 322

Heat Treatment of steel grade 8622 RH

Heat treated : 1712°C - 1716°C

Technological Curves of steel grade 8622 RH

Cross Reference Table (Equivalent Grade) of 8622 RH

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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