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AMS 6312E

Description

AMS 6312E Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: AMS 6312E

Chemical composition(mass fraction)(wt.%) of the AMS 6312E

 

C
Si
Mn
P
S
Cr Ni
 0.38-0.43           1.8 
Mo Al Cu Nb Ti V Ce
 0.25            
N Co Pb B Other    
       

AISI/SAF   4640
UNS   K22440

   
             

Mechanical Properties of steel grade AMS 6312E

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)
842 (≥) 181 (≥) 44 33 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade AMS 6312E

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
13 - -     0.13 -  
993 842 - 44.3 322   -  
171 - 23 14.2   341 413

Heat Treatment of steel grade AMS 6312E

Heat treated : 1512°C - 1325°C

Technological Curves of steel grade AMS 6312E

Cross Reference Table (Equivalent Grade) of AMS 6312E

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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