Used for  Ship body

5052

O
H14
H34

 Al ：remainder  Si： ≤0.25
Cu ：≤0.10 Mg：2.2~2.8
Zn：≤0.10  Mn：≤0.10
Cr：0.15～0.35 Fe：≤0.40

 moderate strength, with good corrosion resistance and formability

 upper structure, subsidiary component, boat body

5083

O
H32

 Al ：remainder  Si ：≤0.40
Cu：≤0.10  Mg：4.0～4.9
Zn：≤0.25 Mn：0.40～1.0 Ti：≤0.15 Cr：0.05～0.25Fe：0～ 0.400

 typical welding aluminium alloy, with the highest strength in nonheat treated alloy, with good weldability, good corrosion resistance and good low temperature performance

 main structure of ship body

5086

H32
H34

Al：remainder   Si ：≤0.40
Cu：≤0.10 Mg：3.5～4.5
Zn：≤0.25 Mn：0.20～0.7 Ti：≤0.15  Cr：0.05～0.25; Fe：0～ 0.500

。With good weldability and corrosion resistance as alloy 5083, lower strength than 5083, with better extrusion

main structure of ship body

5454

H32
H34

Al：remainder   Si ：≤0.25
Cu：≤0.10 Mg：2.4～3.0
Zn：≤0.25 Mn：0.50～1.0
Ti：≤0.20  Cr：0.05～0.20
Fe：0.000～ 0.400

Tensile strength is 22% higher than 5052, with good corrosion resistance and good weldability, but common formability

 ship structure, pressure vessel, pipeline etc.

6061

T4
T6

Cu :0.15～0.4  Mn :0.15
Mg :0.8～1.2  Zn :0.25
Cr :0.04～0.35 Ti :0.15
Si :0.4～0.8   Fe :0.7   Al :remainder

Heat treating corrosion resistant alloy, with high tensile strength but low welded joint strength, mainly used for screw joint and riveted structure which no contacting with seawater

 Upper structure, clapboard structure, frame etc.

Used for outfitting

1050

1200

H112  O
H12
H24

 Al ：remainder   Si： ≤0.25
Fe：0.40    Cu ：≤0.50
Mn：≤0.50  Mg：≤0.50
Zn：≤0.15  Ti ：≤0.03

with low tensile strength, good processability, good weldability, good corrosion resistance, high surface processability

interior finish

 Cu ：≤0.50  Mn：≤0.50
Zn：≤0.15  Ti ：≤0.03
Fe+Si：≤1.0

3003

H112  O
H12

 Al ：remainder   Si： ≤0.60
Fe：≤0.70   Cu ：≤0.50
Mn：1.0~1.5  Zn：≤0.10
（3202）

Tensile strength is 10% higher than 1100, good formability, good weldability, good corrosion resistance

interior finish, top plate and side plate of LPG tanks