ASTM A653 Galvanized Steel Coil 0.6mm 0.8mm 1.0mm 1.2mm 1.5mm 2.0mm GI

ASTM A653 Galvanized Steel Coil Thickness 0.6mm 0.8mm 1.0mm 1.2mm 1.5mm 2.0mm GI Coils

We are one of the best galvanized steel coils suppliers and manufacturers in China, Our galvanized steel coil production line has an annual production capacity of 300,000 tons and a manufacturing speed of 150m/min. We can manufacture and sell galvanized steel coils with a width of 800-1250mm and a coating weight of 60-300g/m3. We manufacture galvanized steel coils according to EN 10346, ASTM A653 standard. We have sufficient galvanized steel coil stock for fast delivery.

Galvanized Steel Coil is used cold rolled steel coil as substrates by a continuous hot-dip process. This method tightly adheres the coating to the steel with an iron-zinc alloy bonding layer formed by a diffusion process while the heated steel strip is in contact with the molten zinc. One of the drawbacks of Galvanized is that if the Zinc coating is scratched off the steel, the Steel is left unprotected, and is subject to failure. It has excellent corrosion resistance, paintability, and workability due to zinc’s characteristics.

Surface treatment of galvanized steel coil

Chromate treatment of galvanized steel coils is also called passivation treatment. Through passivation treatment, the surface structure and gloss of the galvanized layer can be improved, the corrosion resistance and service life of the galvanized layer can be improved, and the bonding force of the coating and the base metal can be improved.

The purpose of oiling galvanized steel coils is a protective layer is formed on the surface of the steel coil to prevent the surface from rusting.

American ASTM A653 standard Galvanized Steel Sheet & Coil

• Commercial Steel (CS Types A, B, and C)

Commercial Steel is a low-carbon cold-formed steel, such as galvanized steel roof forming

• Forming Steel (FS Types A and B)

Requires higher drawability than Commercial Steel, such as for lamp cover forming

• Deep Drawing Steel (DDS)
• Extra Deep Drawing Steel (EDDS)
• Structural Steel (SS) – (33,37,40,50,80)
• High Strength Low Alloy Steel (HSLAS)

European EN 10346 standard galvanized steel coil

Low carbon steel for cold forming (DX51D – DX54D)

• DX51D is equivalent to Commercial Steel, curved and profiled
• DX52D is equivalent to Forming Steel
• DX53D is equivalent to Deep Drawing Steel
• DX54D is equivalent to Extra Deep Drawing Steel

Structural Steels (S220GD – S350GD)

S220GD,S250GD,S280GD,S320GD,S350GD

Use structural steel for high load-bearing capacity, with a yield strength of 220-350

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