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Description

1.8912 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 1.8912
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel 1.8912
S380NL
1.8911
EStE 380
S380NL1
1.8902
StE 420
S420N
1.8932
WStE 420
P420NH

Chemical composition(mass fraction)(wt.%) of the 1.8912

 

C
Si
Mn
P
S
Cr Ni
0.20 0.60 1.00-1.70 0.030 0.025 0.30   0.80
Mo Al Cu Nb Ti V Ce
0.10  ≥0.020  0.70  0.05 0.03   0.20  
N Co Pb B Other    
0.025            
             

Mechanical Properties of steel grade 1.8912

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)
577 (≥) 814 (≥) 12 31 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade 1.8912

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
14 - -     0.11 -  
412 148 - 44.3 414   -  
678 - 12 33.2   331 333

Heat Treatment of steel grade 1.8912

Heat treated : 1785°C - 1434°C

Technological Curves of steel grade 1.8912


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