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Hot Dipped Gi Steel Coil ASTM A653M
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Super strong weather resistance
The hot-dip plating process forms a dense zinc-iron alloy layer, and the salt spray test reaches 1000 hours without red rust, which is particularly suitable for coastal high humidity environment.
Precision size control
The thickness tolerance is ±0.03mm, and the width tolerance is ±1mm, ensuring that the stamping forming pass rate is increased by more than 15%.
Surface treatment process
Provide post-treatment solutions such as finishing/chromic acid passivation/oiling, with a surface roughness of Ra≤1.0μm, meeting high-end spraying requirements.
Full-process quality traceability
Each coil of steel is equipped with an independent QR code, which can trace 18 key data such as smelting batches and process parameters.
Application
ASTM A653M hot-dipped galvanized steel coil is widely used in various fields, including but not limited to:
Construction: Hot dipped GI steel coil used as covering materials for roofs and walls.
Automobile manufacturing: Hot dip GI steel coil as materials for body parts.
Electrical equipment: Hot dipped galvanized steel coil as materials for conductive parts.
Furniture manufacturing: Hot dip galvanized steel coil used to make corrosion-resistant furniture parts.
These application fields require steel to have good corrosion resistance and mechanical strength, and the ASTM A653M hot dip galvanized steel coil just meets these needs.
Buying Technology Guide
1. Coating selection
Indoor dry environment: Z60-Z120
Industrial atmosphere environment: Z180-Z275
Marine climate environment: Z350+
2. Processing performance matching
| Processing method | Recommended brand | Notes |
|---|---|---|
| Deep stamping | SS Grade33 | Recommended r value ≥1.8 |
| Laser cutting | SS Grade40 | Nitrogen assisted anti-oxidation |
| Bending | CS Type B | Minimum bending radius = 2t |
Why Choose ASTM A653M Coils?
Opting for hot dipped galvanized steel coil ASTM A653M means investing in a product that combines superior quality, durability, and adaptability. With their exceptional corrosion resistance, high strength, and cost-effective benefits, these steel coils are the ideal choice for a wide range of applications.
For more information on how ASTM A653M hot dipped Gi steel coil can enhance your next project, contact us today. Our team of experts is ready to help you find the perfect steel solution tailored to your unique requirements.
About us
We are mainly engaged in steel export trade of the following steel products：HRC/HRS,CRC/CRS,GI,GL,PPGI,PPGL,ROOFING SHEETS,TINPLATE,TFS,STEEL PIPES/TUBES,WIRE RODS,REBAR,ROUND BAR,BEAM AND CHANNEL,FLAT BAR ETC. Our Products are widely used in: hardware, machinery, electrical appliances, vehicle parts, construction and other industries.
We mainly export to South America (35%), Africa (25%), the Middle East (20%), Southeast Asia (20%). Good corporate reputation, won the trust of our customers. In these areas we have established stable and long-lasting relationships with many customers based on our honesty, high quality product, reasonable price, and sincere service.
Tianjin Lishengda Steel Group has always followed international trade practices, adhering to the business philosophy of abiding by contracts, keeping promises, quality service, and mutual benefit. We are willing to sincerely cooperate with friends at home and abroad to develop together.
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