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AMS 6550H

Description

AMS 6550H Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: AMS 6550H
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel AMS 6550H
AMS 6471C
AMS 6472B
AMS 6475E
AMS 6485
AMS 6487
AMS 6488D
AMS 6490D
AMS 6491A
AMS 6512B
AMS 6546C

Chemical composition(mass fraction)(wt.%) of the AMS 6550H

 

 

C
Si
Mn
P
S
Cr Ni
0.28-0.33         0.55 0.5 
Mo Al Cu Nb Te V Ce
0.2            
N Co Pb B Other    
       

AISI/SAF  8630
UNS  G86300

   
             

Mechanical Properties of steel grade AMS 6550H

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)
512 (≥) 236 (≥) 31 11 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade AMS 6550H

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
24 - -     0.34 -  
845 956 - 31.3 414   -  
275 - 14 24.2   232 322

Heat Treatment of steel grade AMS 6550H

Heat treated : 1262°C - 1615°C

Technological Curves of steel grade AMS 6550H

Cross Reference Table (Equivalent Grade) of AMS 6550H

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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