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Description

AMS 6408 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: AMS 6408
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel AMS 6408
AMS 6381D
AMS 6382J
AMS 6385D
AMS 6386
AMS 6386B
AMS 6390B
AMS 6395C
AMS 6396B
AMS 6406C
AMS 6407D

Chemical composition(mass fraction)(wt.%) of the AMS 6408

 

 

 

C
Si
Mn
P
S
Cr Ni
 0.35-0.45         5.2  
Mo Al Cu Nb Te V Ce
1.5          1.0  
N Co Pb B Other    
       

UNS  T20813

   
             

Mechanical Properties of steel grade AMS 6408

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)
638 (≥) 625 (≥) 13 21 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade AMS 6408

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
44 - -     0.32 -  
147 359 - 23.3 122   -  
567 - 42 12.2   223 311

Heat Treatment of steel grade AMS 6408

Heat treated : 1474°C - 1791°C

Technological Curves of steel grade AMS 6408

Cross Reference Table (Equivalent Grade) of AMS 6408

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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