Product properties
˙ High strength
SpecificationAMS 6431
D6AC
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Introduction
Industrial Applications
˙ Aerospace industry
˙ Mainly used for the landing gear, shaft, and wheel as well as axle
Specifications
Chemical composition (wt. %)
Element
C
Si
Mn
P
S
Ni
Cr
Mo
Cu
V
Min.
0.45
0.15
0.60
-
-
0.40
0.90
0.90
-
0.08
Max.
0.50
0.30
0.90
0.010
0.010
0.70
1.20
1.10
0.35
0.15
Physical Property
Density (g/cm^3)
7.8
Thermal Expansion Coefficient
Temperature (℃)
10^-6/℃
163
41
Thermal Conductivity
Temperature (℃)
W/m·K
797
11.3
Mechanical Property
Items
Annealed
Hardness
265 HBW max.
Size Ranges
Products
Diameter (mm)
Length (mm)
Rolled bar
10~95
3,000~5,700
Forged bar
95.2-600
3,000~5,700
Billet
130x130, 140x140, 150x150, 160x160
7,000 max
Flat bar
80x80 (min.)
Based on the customer needs
Related Application
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