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Description

4620 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 4620
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel 4620
4130
4140
4150
5140
5150
6150
440C
440C Mod.
3310
4320

Chemical composition(mass fraction)(wt.%) of the 4620

 

C
Si
Mn
P
S
Cr Ni
0.17-0.22   0.15-0.35 0.45-0.65   0.015 0.015  ≤0.2  1.65-2.0
Mo Al Cu Nb Ti V Ce
 0.2-0.3   ≤0.35         
N Co Pb B Other    
             
             

Mechanical Properties of steel grade 4620

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)
653 (≥) 297 (≥) 32 11 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade 4620

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
33 - -     0.22 -  
537 545 - 24.3 344   -  
522 - 43 14.2   234 232

Heat Treatment of steel grade 4620

Heat treated : 1787°C - 1341°C

Technological Curves of steel grade 4620

Cross Reference Table (Equivalent Grade) of 4620

Grade Standard Country Application
ICI 4620 AISI USA
4620 Australia Structural steel
4620 H Australia Structural steel
4620 USA Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures
4620 USA Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures

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