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Description

P420NH Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

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

Chemical composition(mass fraction)(wt.%) of the P420NH

 

 

 

 

 

 

 

 

 

 

 

 

C
Si
Mn
P
S
Cr Ni
0.20 0.10-0.60 1.00-1.70 0.035 0.030 0.30   1.00
Mo Al Cu Nb Ti V Ce
0.10  ≥0.020  0.70  0.05 0.20   0.20  
N Co Pb B Other    
0.020       Nb+Ti+V ≤0.22    
             

Mechanical Properties of steel grade P420NH

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)
868 (≥) 355 (≥) 13 34 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade P420NH

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
44 - -     0.21 -  
766 315 - 32.3 341   -  
812 - 14 21.2   343 433

Heat Treatment of steel grade P420NH

Heat treated : 1825°C - 1266°C

Technological Curves of steel grade P420NH

Cross Reference Table (Equivalent Grade) of P420NH

Grade Standard Country Application
P420NH Spain structural alloy steel

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