1.7321 1.7321 Datasheet
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel 1.7321
20CrMoB3-3
1.7271
20CrMoS2
20CrMo2
1.7311
20CrMo3
1.7320
20CrMoS3
1.7319
20CrMo4
Datasheet for:Steel Grades:Carbon Steel:1.7321

Chemical composition(mass fraction)(wt.%) of the 1.7321

 

C
Si
Mn
P
S
Cr Ni
0.17-0.23  0.40  0.70-1.00  0.035  0.035  0.30-0.60   
Mo Al Cu Nb Ti V Ce
0.40-0.50             
N Co Pb B Other    
             
             

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade 1.7321

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)
736 (≥) 947 (≥) 43 32 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 442
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 - -     0.44 -  
968 462 - 44.3 123   -  
857 - 43 43.2   432 332
Heat treated : 1941°C - 1448°C
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
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