Available 24/7 at sales@steel-grades.com

Description

4320H Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 4320H
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel 4320H
B29
20NiCrMo7
20NiCrMo7
B30
18CrNiMo7-6
B31
18NiCrMo14-6
B32
16NiCrMo16-5
4118H

Chemical composition(mass fraction)(wt.%) of the 4320H

C
Si
Mn
P
S
Cr Ni
 0.17-0.23 0.15-0.35   0.4-0.7  0.025 0.015  0.35-0.65 1.55-2.0 
Mo Al Cu Nb Ti V Ce
 0.2-0.3 ≤ 0.05 ≤0.3     +    
N O2 Pb B Other    
  ≤0.002           
             

Mechanical Properties of steel grade 4320H

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)
548 (≥) 697 (≥) 13 12 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade 4320H

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
23 - -     0.12 -  
691 974 - 21.3 141   -  
954 - 14 31.2   142 223

Heat Treatment of steel grade 4320H

Heat treated : 1757°C - 1362°C

Technological Curves of steel grade 4320H


Available Suppliers

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com
  • Do you supply this 4320H?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top