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Description

20Mn6 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Alloy Steel: 20Mn6

Chemical composition(mass fraction)(wt.%) of the 20Mn6

C
Si
Mn
P
S
Cr Ni
0.17-0.23  0.30-0.60   1.30-1.60  0.035 0.035     
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade 20Mn6

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)
137 (≥) 425 (≥) 44 41 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade 20Mn6

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
11 - -     0.13 -  
637 353 - 22.3 244   -  
325 - 31 14.2   123 141

Heat Treatment of steel grade 20Mn6

Heat treated : 1714°C - 1343°C

Technological Curves of steel grade 20Mn6


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