Product description:
The galvalume steel coil uses the cold-rolled steel sheet as a substrate and is solidified by 55% aluminum, 43.4% zinc, and 1.6% silicon at 600 °C. It combines the physical protection and high durability of aluminum and the electrochemical protection of zinc.
Product description:
Alu-zinc coated coil is based on cold-rolled steel sheet, which is solidified at 600℃ with 55% aluminum, 43.4% zinc, and 1.6% silicon. It combines the physical protection and high durability of aluminum and the electrochemical protection of zinc. It is also called galvanized steel coil.
Characteristics:
1. Strong corrosion resistance
2. Surface quality
3. Conducive to deep processing, such as corrugated steel sheet
4. Economy and practicality
Application:
Roofing and walling, curved profiles, corrugated sheets, foamed sandwich panels roofing and walling, roof tiles, rainwater gutter, metal doors, garage doors, wall panels partitions, ceiling panels, suspended frames, interior metal doors or windows, profiles for exterior cabinets of white appliances, office furniture home appliance.
Product specification:
Standard |
JIS / EN / ASTM Standard |
Grades |
SGLCC / SGL400 / SGL440 / SGL570 / SGLCD |
ASTM A792M CS-A / CS-B / CS-C |
|
SS230 / SS255 / SS275 / SS340 / SS550 |
|
DX51D / DX52D / DX53D |
|
S220GD / S250GD / S280GD / S320GD / S350GD / S550GD |
|
Coating |
AZ40-AZ150 |
Spangle |
Regular Spangle |
Sizes |
Thickness: 0.23mm - 3.0mm Width: 900mm-1250mm,or customer's requirement |
Surface treatment |
Chromate Treatment, Anti-fingerprint |
Chemical composition:
Al |
Zn |
Si |
Fe |
Cu |
Cd |
Pb |
Sn |
Ni |
Ti +Ba+Cr |
55-58 |
41-43 |
1.5-2 |
0.25 |
0.03 |
0.05 |
0.01 |
0.05 |
0.05 |
0.05 |
Mechanical property:
Grade |
Yield Strength MPa≥ |
Tensile Strength MPa≥ |
Elongation A%≥ |
DX51D+Z/ZM/AZ/AM |
240-380 |
270-500 |
22 |
DX52D+Z/ZM/AZ/AM |
140-300 |
270-420 |
26 |
DX53D+Z/ZM/AZ/AM |
140-260 |
270-380 |
30 |
DX54D+Z/ZM/AZ/AM |
120-220 |
260-350 |
36 |
S220GD+Z/ZM/AM |
220 |
300 |
20 |
S250GD+Z/ZM/AZ/AM |
250 |
330 |
19 |
S280GD+Z/ZM/AM |
280 |
360 |
18 |
S300GD+AZ/AM |
300 |
380 |
18 |
S320GD+Z/ZM/AM |
320 |
390 |
17 |
S350GD+Z/ZM/AZ/AM |
350 |
420 |
16 |
S450GD+AZ/AM |
450 |
480 |
15 |
S550GD+Z/ZM/AZ/AM |
550 |
550 |
- |
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Quality inspection process
FAQ:
Q1:Can you send samples?
A:Of course, we can provide customers with free samples.
Q2:What product information do I need to provide?
A:Please kindly provide the grade, width, thickness, surface treatment requirement should you have and quantities you need to purchase.
Q3:It's my first time to import steel products, can you help me with it?
A:Sure,we have agent to arrange the shipment, we will do it together with you.
Q4:What ports of shipment are there?
A:Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you can specify other ports according to your needs.
Q5:Can you accept customize?
A: Yes. It can be customized as per the customers' request.
Q6:What are the certifications for your products?
A:We have ISO 9001, MTC, ISO14001,third parties’ inspections are all available such SGS, BV ect.
Q7:How long does your delivery time take?
A:In general, our delivery time is within 7-15 days, and may be longer if the quantity is extremely large or special circumstances occur.
Q8: How many countries you already exported to?
A:We have exported to Canada, Russia, Belarus, Poland, Brazil, Mexico, Colombia, Ecuador, Peru, Iran, Vietnam, Malaysia, UAE, Nigeria and other countries. Our export experience is rich, we are familiar with different market needs, can help customers avoid a lot of trouble.
Q9:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.
Q10:Does the product have quality inspection before loading?
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed and customers can appoint third parties to inspect the products before loading too.
Q11:How to pack the products?
A: Standard export sea-worthy packaging, the inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet.It can effectively protect products from corrosion and various climate changes during ocean transportation.
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