Aluminum-zinc alloy coated steel sheet, also known as aluzinc steel, is made of 55% aluminum, 43.4% zinc, and 1.6% silicon solidified at 600℃. Its overall structure is composed of aluminum-iron-silicon-zinc, forming a dense quaternary crystal alloy. The surface of aluminum-zinc coated steel sheet is smooth and flat, with a silver-white base color. The special coating structure makes it have excellent corrosion resistance.
GNEE STEEL can provide aluminum zinc alloy coating weights from 30/30g/m2 to 90/90g/m2.
DC53D+AZ aluminum zinc standard coating weights are 30/30g/m2, 40/40g/m2, 50/50g/m2, 60/60g/m2, 75/75g/m2, 90/90g/m2.
When the coating weight is 50/50g/m2, the coating thickness is 13.3μm.
Common size for DC53D+AZ hot aluminum zinc steel
Thickness of DC53D+AZ hot aluminum zinc steel plate: 0.22 to 1.30mm
Width of DC53D+AZ hot aluminum zinc steel plate:700 to 1250mm
Length of DC53D+AZ hot aluminum zinc steel plate:1000 to 6000mm
Inner diameter of DC53D+AZ steel strip:508mm
Common surface treatment of DC53D+AZ Al-Zn Alloy-Coated Steel:
Los acid passivation:C
Smear oil: O
Los acid passivation and oil: CO
Fingerprint resistant membrane: UF
Un-treatment: U
DC53D+AZ steel coil Chemical composition:
|
|
Chemical composition % |
|||||||
|
C |
Si |
Mn |
P |
S |
Alt |
Ti |
Nb |
|
|
DC53D+AZ |
0.08 |
- |
0.40 |
0.030 |
0.030 |
- |
- |
- |
DC53D+AZ steel mechanical property :
|
|
Tensile Strength |
Yield Strength |
n90 |
r90 |
Elongation% min |
The coating adhesion |
|||
|
min |
min |
<0.7mm |
>0.7mm |
<140/140 |
>140/140-175/175 |
>175/175 |
|||
|
DC53D+AZ |
270-380 |
140-260 |
- |
- |
28 |
30 |
0a |
1a |
2a |
a . means when the thickness is more than 1.5mm, the minimum value r90 can lower 0.2.
b . means when the thickness not more than 0.7mm, the minimum value r90 can lower 0.2, n90 can lower 0.01.
c . means For difference thickness of coating products, thick coating surface as the outer surface of the bending test.
hot aluminum zinc steel show

Application of Al-Zn Alloy-Coated Steel
Construction: Roofs, Walls, Garages, Acoustic Walls, Plumbing and Modular Houses, etc.
Automotive: mufflers, exhaust pipes, wiper attachments, fuel tanks, truck boxes, etc.
Home appliances: refrigerator back panel, gas stove, air conditioner, electronic microwave oven, LCD frame, CRT explosion-proof belt, LED backlight, electrical cabinet, etc. Agricultural use: pig house, chicken house, granary, greenhouse pipes, etc.
Others: Thermal insulation cover, heat exchanger, dryer, water heater, etc.

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FAQ
Q1: Are you a trading company or manufacturer of galvalume steel products?
A: We are a professional steel manufacturer, and our company is also a very professional trading company of galvanized steel products. We can also provide a variety of steel products.
Q2:Can you send samples?
A:Of course, we can provide customers with free samples and express shipping service to all over of the world.
Q3: Can provide OEM/ODM service?
A: Yes. Please feel free to contact us for more details discuss.
Q4:What are the certifications for your products?
A:We have ISO 9001, MTC, third parties' inspections are all available such SGS, COC ,BV,BIS,ABSect.
Q5:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory, and you can also watch the factory live.
Q6: How to ensure the quality?
A:Mill Test Certificate is supplied with shipment. If needed, a Third Party Inspection is acceptable.
Q7: How many countries you already exported to?
A:We have exported to America, Canada, Brazil, Chile, Colombia, Russia,Ukraine, Thailand, Myanmar, Vietnam, India,Kenya,Ghana,somalia and other African countries.Our export experience is rich, we familiar with different market demands, can help customers avoid a lot of trouble.
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