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Galvalume Steel Coil
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| Place of Origin | China |
| Brand Name | Decho Steel |
| Certification | ISO9001 |
| Model Number | ASTM A792M CS-B |
S350GD DX51D Galvalume Steel Azulejos metálicos AZ100 AFP
Corrugated Sheet Panels Roof Tiles GL 55% Aluzinc Steel Coil
Hot-dip aluminum-zinc coated steel plate is a pre-coated steel sheet created by hot-dip plating a layer of Al-Zn coating on both sides of a cold-rolled steel plate of varying strengths and thicknesses. The coating layer consists of 55% aluminum, 43.5% zinc, and 1.5% silicon by mass. This combination offers the physical protection and high durability of aluminum along with the electrochemical protection of zinc. The material retains the strength and plasticity of the base steel while providing excellent corrosion resistance from the coating. Additionally, the surface features a highly decorative bright silver-grey color with a regular embossed pattern.
1) Standard: ASTM A792M, AS1397, EN10346/ EN10143 all according to the customer's request
2) Grade: SGCC, CS-Type B, Grade 350, G550, Grade 50, Grade 80, SS550GD, all according to the customer's request
3) Capacity: about 20000 tons per month
4) Thickness: from 0.13mm to 2mm, all available
5) Width: from 600mm to 1250mm, regular size:750-762mm,900-914mm,1000mm,1200mm,1219-1250mm all available
6) Coil ID: 508mm
7) Coil weight: from 2-10MT, according to the customer's request
8) Zinc coating weight: AZ30~AZ165g/m2
9) Spangle: regular spangle,big spangle, small spangle
10) Surface treatment: Anti-finger print (Green, Blue, Golden, No color) Chemical passivating, oils, passivating oils,skin passed
11) Edge: mill edge, cut edge
12) Min trial order 25 ton each thickness
Coating content classification
| SURFACE TREATMENT | DESCRIPTION OF USE |
| CHROMATE PASSIVATION(C) | Surface treatment for high-strength steel plates after hot-dip plating to reduce white rust during transport and storage |
| Chrome-free passivation(C5) | Surface treatments that require limiting the amount of hexavalent chromium, etc. in passivation solutions that are harmful to the environment and humans |
| Anti-finger print(N) | Surface treatment after the passivation process, which acts as a lubricant during processing, prevents fingerprints from staining during operation, and prevents premature blackening of the surface during use. |
| Chrome-free and fingerprint resistant(N5) | Surface treatment after the passivation process, in the process of lubrication, to prevent the operation of the fingerprint staining, to prevent the use of the surface of the process of premature blackening, and at the same time, the requirement to limit the fingerprint-resistant film harmful to the environment and human body, such as hexavalent chromium content |
| Oiled(O) | Surface treatment added after the passivation process to further reduce rusting during long-distance transport and long-term storage |
Aluminium-zinc-steel plated light steel has quite a few excellent characteristics: Strong corrosion resistance, 3 times that of pure galvanising; beautiful zinc flowers on the surface, can be used as building roof exterior panels. Abbreviation AZ150, aluminium-zinc-steel plates keel for a long time without colour change on the bare surface, such as chemical corrosion, the surface of the physical reaction occurs, the formation of aluminium protective film on the surface of the keel, so that the outside world of chemical substances and the keel separated from the separation of the keel, to protect the keel of the main body of the material, to prevent rusting.
Application:
Detailed Parameters:
| Usage | Steel Grade | Yield Strength(MPa) | Tensile Strength(MPa) |
Elongation at break A80mm % ≥ |
| Generally used | DC51D+AZ | 190～360 | 270～500 | 22 |
| stamping | DC52D+AZ | 140～300 | 270～420 | 26 |
| deep drawing | DC53D+AZ | 140～260 | 270～380 | 30 |
| extra-deep washout | DC54D+AZ | 120～220 | 260～350 | 36 |
| Environment | Zinc Weight/ G/sqm |
| indoor environment | AZ70 or AZ100 |
| Suburban environment | AZ150 or AZ100 + painting |
| Urban or industrial areas | AZ150+ pre painted paint coating |
| Coastal Areas | AZ180+ thick paint coating |
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