Premium Galvalume Steel Coil DC51D+Az with 55% Aluminum Coating, Corrosion Resistant and 600°C High Temperature for Global Buyers
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Brand:
GNEE
Product Description
Premium Galvalume Steel Coil DC51D+Az Aluzinc for Global Buyers
After the hot-dip galvanized steel sheet is pulled out of the zinc pot, the appearance of the crystal grains formed as the zinc layer cools and solidifies is called spangles. The size, brightness and surface morphology of spangles depend on a series of factors, but they are mainly related to the composition of the zinc layer and the cooling method. Galvanized steel coil has the advantages of uniform coating, strong adhesion and long service life.
Galvanized Steel Specifications
| Technical Standard | EN10147, EN10142, DIN 17162, JIS G3302, ASTM A653 |
|---|---|
| Steel Grade | Dx51D, Dx52D, Dx53D, DX54D, S220GD, S250GD, S280GD, S350GD, S350GD, S550GD; SGCC, SGHC, SGCH, SGH340, SGH400, SGH440, SGH490, SGH540, SGCD1, SGCD2, SGCD3, SGC340, SGC340 , SGC490, SGC570; SQ CR22 (230), SQ CR22 (255), SQ CR40 (275), SQ CR50 (340), SQ CR80(550), CQ, FS, DDS, EDDS, SQ CR33 (230), SQ CR37 (255), SQCR40 (275), SQ CR50 (340), SQ CR80 (550); or Customer's Requirement |
| Type | Coil/Sheet/Plate/Strip |
| Thickness | 0.12-6.00mm, or customer's requirement |
| Width | 600mm-1500mm, according to customer's requirement |
| Type of Coating | Hot Dipped Galvanized Steel (HDGI) |
| Zinc Coating | 30-275g/m² |
| Surface Treatment | Passivation(C), Oiling(O), Lacquer sealing(L), Phosphating(P), Untreated(U) |
| Surface Structure | Normal spangle coating(NS), minimized spangle coating(MS), spangle-free(FS) |
| Quality | Approved by SGS, ISO |
| ID | 508mm/610mm |
| Coil Weight | 3-20 metric ton per coil |
| Package | Water proof paper is inner packing, galvanized steel or coated steel sheet is outer packing, side guard plate, then wrapped by seven steel belt, or according to customer's requirement |
| Export Market | Europe, Africa, Central Asia, Southeast Asia, Middle East, South America, North America, etc |
Galvalume Steel
Galvalume Coil composition by weight ratio of 55% aluminum, 43.4% zinc, 1.6% silicon, at high temperature 600 high temperature solidification and aluminized zinc plate surface is a unique smooth flat gorgeous starflower, the base color is silver white special coating structure makes it has excellent corrosion resistance.
Galvalume Coil/Sheet is mainly used in the construction of household appliances, automobile containers, especially steel structure building, automobile parts, steel plate warehouse manufacturing and other industries. Their characteristics are mainly: strong corrosion resistance, good surface quality, economic and practical.
Frequently Asked Questions
What is Galvalume Steel?
Galvalume is a steel substrate coated with an alloy consisting of 55% aluminum, 43.4% zinc, and 1.6% silicon by weight. It combines the barrier protection of aluminum with the sacrificial protection of zinc.
What is the difference between Galvanized and Galvalume steel?
Galvanized steel is coated with 100% zinc. Galvalume uses an Al-Zn alloy. Galvalume typically offers 2 to 4 times the corrosion resistance of galvanized steel in most environments.
What do the coating designations like AZ50 or AZ150 mean?
These refer to the coating weight. AZ50 (US system) means 0.50 ounces per square foot, while AZ150 (Metric system) means 150 grams per square meter. Higher numbers indicate a thicker coating and longer service life.
How long does Galvalume steel last?
In appropriate environments, Galvalume can last 40 to 60 years. Many manufacturers offer warranties ranging from 20 to 25 years against perforation.
Is Galvalume steel fire-resistant?
Yes, Galvalume is a non-combustible material and typically carries a Class A fire rating, making it ideal for roofing and industrial structures.
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Company
Gnee Steel (tianjin) Co., Ltd.
Location
FLAT/RM 1512 15/F LUCKY CENTRE NO.165-171 WAN CHAI ROAD WAN CHAI HK
Contact Person
Kelly Zhang