Alcoa Worldwide Alcoa NAUTICAL
Designed for maritime use
Chemical Composition


Alloy % Si Fe Cu Mn Mg Cr Zn Ti Others (%)
each total
5754 Min.
Max.
-
0.40
-
0.40
-
0.10
-
0.50
2.6
3.6
-
0.30
-
0.20
-
0.15
-
0.05
-
0.15
5154A Min.
Max.
-
0.50
-
0.50
-
0.10
-
0.50
3.1
3.9
-
0.25
-
0.20
-
0.20
-
0.05
-
0.15
5086 Min.
Max.
-
0.40
-
0.50
-
0.10
0.2
0.7
3.5
4.5
0.05
0.25
-
0.25
-
0.15
-
0.05
-
0.15
5083 Min.
Max.
-
0.40
-
0.40
-
0.10
0.4
1.0
4.0
4.9
0.05
0.25
-
0.25
-
0.15
-
0.05
-
0.15
Reference EN 573-3


Rolled Products

Alloy Characteristics Typical Uses Tempers
5754 Superior corrosion resistance at elevated
temperatures, high strength, good
workability and weldability.
Applications with prolonged temperatures
higher than 66°C. Welded structures,
separators.
0
H111
5154A Very good corrosion resistance. Good
weldability and formability. Medium-high
strength (higher than 5754). High fatigue
strength. Good anodizing properties.
Welded structure, storage tanks, pressure
vessels, tanks, ship masts.
0
H111
5086 High strength with excellent resistance
to corrosion in marine environment. Good
workability and weldability.
Shipyard sheet and plate, shipping drums,
support structures, welded structures,
bulkheads, patrol and work boat hulls.
0
H111
H116
H321
5083 Strongest alloy, with excellent resistance to
corrosion, highly suitable for welding.
Shipyard sheet and plate, naval and fast
ship hulls, yacht hulls, LNG storage tanks,
chemical equipment, welded superstructures
(high strength), pressure vessels.
0
H111
H112
H116
H321


Dimensions

Product name Thickness (mm) Width (mm) Length (mm)
Min Max Min Max Min Max
Cold rolled sheets 3,0 8,0 980 2400 800 15000
Hot rolled plates 8,0 40,0 900 2020 1000 12000
The dimensional limits of the products which can be supplied depend upon alloys and tempers. In the following table the absolute limits are given for indication only.




Dimensional Tolerances

The allowed dimensional tolerances are in compliance with the limits provided by the applicable required standards (i.e., EN 485-3, EN 485-4, ANSI H35.2). Tighter tolerances can be agreed with the customer