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Description

Cr.55 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: Cr.55
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel Cr.55
1066
G15660
1572
G15720
Type1
K11510
Type2
K12010
K12810
Cr.50

Chemical composition(mass fraction)(wt.%) of the Cr.55

 

C
Si
Mn
P
S
Cr Ni
0.27 0.1 1.2 0.04 0.05    
Mo Al Cu Nb Ti V Ce
    ≥0.2        
N Co Pb B Other    
             
             

Mechanical Properties of steel grade Cr.55

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)
582 (≥) 392 (≥) 14 22 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade Cr.55

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
42 - -     0.14 -  
517 233 - 32.3 144   -  
633 - 43 44.2   111 433

Heat Treatment of steel grade Cr.55

Heat treated : 1296°C - 1544°C

Technological Curves of steel grade Cr.55


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