Aluminum-based
Aluminum alloy and its composite materials with low density, high specific strength, corrosion resistance and easy surface treatment, etc., is a cost-effective lightweight materials, in recent years, the market demand is strong, the application and development of aluminum alloy powder materials is on the rise.
ZnAl20
Features:
Nitrogen atomization process, high alloying purity, high sphericity rate, controllable particle size distribution, powder particle size siftable
Application:
Packing:
Aluminum foil bag, iron drum, plastic drum, woven bag, pallet, customized packaging
Date of delivery:
Precision grinding, intelligent manufacturing technology, integrated solutions
3-15 days
key word:
Code：ZnAl20
Product mechanism:
Flake zinc-aluminum alloy powder combines the characteristics of flake zinc powder and flake aluminum powder, achieving a balance in material preparation, corrosion resistance and coating appearance. Zinc-aluminum alloy has good ductility
The scale specifications are easy to control and a high specific surface area of scales can be easily obtained: Flake zinc-aluminum alloy powder has the effective anodic protection of pure Zn layer on the steel substrate, and because it contains enough Al, it can form a complete Al2O3 protective film to improve its corrosion resistance. Due to the infiltration of aluminum, the flake zinc-aluminum alloy coating also has excellent metallic luster that pure zinc powder does not have. At the same time, zinc-aluminum alloy powder also avoids the problem of uneven coating liquid caused by different densities of zinc powder and aluminum powder in the coating, and is an ideal anti-corrosion pigment for chromium-free Dacromet coating.
Product use:
Mainly used in GMT and Dacromet coating technology. Widely used in surface treatment of organic and water-based coatings, ships, cars, high-speed railways, power facilities, steel buildings, etc.
Chemical composition（wt%）
|
Code |
Zn |
Al |
|
|
|
|
|
ZnAl20 |
Bal. |
18.0-22.0 |
|
ZnAl5 |
Bal. |
3.0-7.0 |
|
ZnAl10 |
Bal. |
8.0-12.0 |
|
ZnAl15 |
Bal. |
13.0-17.0 |
|
ZnAl30 |
Bal. |
28.0-32.0 |
|
ZnAl40 |
Bal. |
38.0-42.0 |
|
ZnAl50 |
Bal. |
48.0-52.0 |
Physical indicators
【规格Specification（目Mesh）】-100，-200，-300，-400目
（等同于-150，-75，-48，-38μm），（d50）15-20，11-15，6-10，4-6，2-4μm
Application areas
Zincizing Material
Mainly used for steel structure
Brazing
ZnAl5 (melting point 382℃) is a zinc-based eutectic filler metal suitable for brazing pure zinc and zinc alloys. ZnAl15 (425-460℃ solid-liquid phase) is used as a universal brazing filler metal for aluminum-aluminum brazing and aluminum-copper brazing with excellent spreading and mechanical properties
Zinc-Aluminium Coating
Anti-corrosion property on the surface of steel, such as railway systems, steel structure bridges, automobile manufacturing, ships, ports, docks, etc.
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