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Description

8620H Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 8620H
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel 8620H
B32
16NiCrMo16-5
4118H
4320H
4620H
4720H
4817H
4820H
5120H
8617H

Chemical composition(mass fraction)(wt.%) of the 8620H

C
Si
Mn
P
S
Cr Ni
 0.17-0.23 0.15-0.35   0.6-0.95  0.025 0.015   0.35-0.65 0.35-0.75
Mo Al Cu Nb Ti V Ce
 0.15-0.25 ≤ 0.05 ≤0.3     +    
N O2 Pb B Other    
  ≤0.002           
             

Mechanical Properties of steel grade 8620H

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)
765 (≥) 659 (≥) 33 33 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade 8620H

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 - -     0.32 -  
238 489 - 41.3 221   -  
826 - 22 12.2   232 313

Heat Treatment of steel grade 8620H

Heat treated : 1884°C - 1369°C

Technological Curves of steel grade 8620H

Cross Reference Table (Equivalent Grade) of 8620H

Grade Standard Country Application
8620H Australia Structural steel

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