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Steloc Cr.55

Description

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

Datasheet for: Steel Grades:Carbon Steel: Steloc Cr.55

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

C
Si
Mn
P
S
Cr Ni
0.25   0.3        1.35  
Mo Al Cu Nb Ti V Ce
      0.005-0.05    0.01-0.15   
N Co Pb B Other    
             
             

Mechanical Properties of steel grade Steloc 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)
775 (≥) 434 (≥) 44 24 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade Steloc 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
22 - -     0.13 -  
599 319 - 21.3 243   -  
226 - 44 14.2   111 334

Heat Treatment of steel grade Steloc Cr.55

Heat treated : 1558°C - 1778°C

Technological Curves of steel grade Steloc Cr.55

Cross Reference Table (Equivalent Grade) of Steloc Cr.55

Grade Standard Country Application
Q195 China Engineering and welding
Q215 China Engineering and welding
Q215 B China Engineering and welding
Q235 China Engineering and welding
Q235 B China Engineering and welding
Q235 C China Engineering and welding
Q235 D China Engineering and welding
Q255 A China Engineering and welding
Q255 B China Engineering and welding
Q275 China Engineering and welding
Q235q C China Bridge structure with steel
Q235q D China Bridge structure with steel
Q345q E China Bridge structure with steel
Q345q C China Bridge structure with steel
ASTM 1030 ASTM USA General use carbon steel bar
UNS G10300 UNS USA General use carbon steel bar
ASTM 1005 ASTM USA General use carbon steel bar
UNS G10050 UNS USA General use carbon steel bar
ASTM 1006 ASTM USA General use carbon steel bar
UNS G10060 UNS USA General use carbon steel bar

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