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Description

E255 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: E255
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel E255
1.7216
30CrMo4
1.6563
41NiCr
1.6563
Mo7-3-2
C15R
1.1140
E215
1.0212

Chemical composition(mass fraction)(wt.%) of the E255

C
Si
Mn
P
S
Cr Ni
0.21  0.35  0.40-1.10  0.025  0.025     
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade E255

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)
773 (≥) 171 (≥) 14 11 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade E255

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
22 - -     0.23 -  
333 376 - 14.3 441   -  
163 - 24 32.2   334 323

Heat Treatment of steel grade E255

Heat treated : 1169°C - 1182°C

Technological Curves of steel grade E255


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