Product properties
˙ High toughness
˙ High strength
SpecificationBS 9701-1:1996(655M13)
EN36A
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Introduction
Industrial Applications
˙ Aerospace industry
˙ Machine industry
˙ Mainly used for aircraft and vehicle cams, ball and roller bearings, high stress gear, chuck and dowel, link rod, heavy-duty gear, tooth ring, heavy-duty bushing, coupling, and shaft
Specifications
Chemical composition (wt. %)
Element
C
Si
Mn
P
S
Ni
Cr
Mo
Min.
0.12
0.15
0.40
-
-
-
0.75
-
Max.
0.16
0.35
0.60
0.010
0.005
3.50
1.00
0.20
Physical Property
Density (g/cm^3)
7.85
Thermal Expansion Coefficient
Temperature (℃)
10^-6/℃
812
21
Thermal Conductivity
Temperature (℃)
W/m·K
719
12.3
Mechanical Property
Items
Annealed
Hardness
255 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
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