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Description

P250GH Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: P250GH
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel P250GH
26CrMo7
1.7259
17CrMoV10
1.7766
25CrMo4
1.7218
20CrMoV13-5
1.7779
P235GH
1.0345

Chemical composition(mass fraction)(wt.%) of the P250GH

C
Si
Mn
P
S
Cr Ni
0.18-0.23  0.40  0.30-0.90  0.025  0.015   0.30 ≤0.30
Mo Al Cu Nb Ti V Ce
 ≤0.08  0.020  0.30  0.02  0.03 ≤0.02  
N Co Pb B Other    
 0.012            
             

Mechanical Properties of steel grade P250GH

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)
826 (≥) 825 (≥) 14 14 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade P250GH

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
34 - -     0.23 -  
835 296 - 14.3 443   -  
437 - 43 34.2   244 424

Heat Treatment of steel grade P250GH

Heat treated : 1618°C - 1136°C

Technological Curves of steel grade P250GH

Cross Reference Table (Equivalent Grade) of P250GH

Grade Standard Country Application
EN P250GH EN Euronorm Structural steel

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