Marine grade aluminium 6061 is the main alloying elements of magnesium and silicon, with moderate strength, good corrosion resistance, weldability, oxidation better.
 
Our marine grade aluminium 6061 has excellent processing performance, good corrosion resistance, high toughness, no deformation after processing, easy to color film and excellent oxidation effect.
use:
Requires a certain strength, weldability and high corrosion resistance of various industrial structures, such as ships, buildings, trucks, industrial materials, machinery parts.
 
chemical composition：
Silicon Si: 0.40-0.8
Fe Fe: 0.7
Copper Cu: 0.15-0.40
Manganese Mn: 0.15
Magnesium Mg: 0.8-1.2
Chromium Cr: 0.04-0.35
Zinc Zn: 0.25
Titanium Ti: 0.15
Aluminum Al: balance
other:
Single: 0.05 Total: 0.15
 
Mechanical properties：
Tensile strength σb (MPa): ≥ 180
Yield strength σ0.2 (MPa): ≥110
Elongation δ5 (%): ≥14
Note: Bar longitudinal mechanical properties at room temperature
Sample size: diameter ≤ 150
Brinell hardness HB: 95-100