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A812 Gr.65

Description

A812 Gr.65 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: A812 Gr.65

Chemical composition(mass fraction)(wt.%) of the A812 Gr.65

C
Si
Mn
P
S
Cr Ni
0.23 0.15-0.5 1.4 0.035 0.04    
Mo Al Cu Nb Ti V Ce
      0.05      
N Co Pb B Other    
        V+Nb 0.02-0.15    
             

Mechanical Properties of steel grade A812 Gr.65

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)
898 (≥) 652 (≥) 43 34 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade A812 Gr.65

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
32 - -     0.12 -  
444 133 - 14.3 144   -  
832 - 22 23.2   113 212

Heat Treatment of steel grade A812 Gr.65

Heat treated : 1325°C - 1127°C

Technological Curves of steel grade A812 Gr.65

Cross Reference Table (Equivalent Grade) of A812 Gr.65

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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