Shandong Dingcheng Liye Materials Co., Ltd
                                                                                                           
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15 Years
Since 2011
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SGCC DX51D S350GD S550GD Galvanized Steel Coil 0.12-6.0mm Thickness 30-275g/m² Zinc Coating

Price Negotiable
Price: Negotiable
MOQ: 1 Ton
Delivery Time: 10-30 Days
Brand: Baosteel
Product Description
Product Overview
Prime quality hot-dip galvanized steel coils featuring SGCC, DX51D, S350GD, and S550GD steel grades with zinc coating ranging from 30-275g/m². These coils offer excellent corrosion resistance and durability for various industrial applications.
Galvanized steel coil product display Close-up view of galvanized steel surface Galvanized steel coil in warehouse Steel coil packaging and handling Quality inspection of galvanized steel
Hot-Dip Galvanizing Process
Our hot-dip galvanizing process involves reacting molten zinc with the iron substrate to create a durable alloy layer. The process includes pickling to remove surface oxides, followed by cleaning in specialized solutions before immersion in the galvanizing bath. This ensures uniform coating, strong adhesion, and extended service life.
Technical Specifications
Parameter Specifications
Technical Standard EN10147/EN10142/DIN 17162/JIS G3302/ASTM A653
Steel Grade DX51D, DX52D, DX53D, DX54D, S220GD, S250GD, S280GD, S350GD, S550GD; SGCC, SGHC, SGCH, SGH340, SGH400, SGH440, SGH490, SGH540, SGCD1, SGCD2, SGCD3, 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 0.12-6.0mm or customer's requirement
Width 600-1500mm 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 Certification Approved by SGS, ISO
Inner Diameter 508mm/610mm
Coil Weight 3-20 metric tons per coil
Key Advantages
Our galvanized steel combines physical protection with electrochemical zinc properties for superior performance:
  • Machinability: Excellent performance in rolling, coiling, and similar processing operations
  • Thermal Resistance: Sustains environments up to 315°C for extended periods
  • High Reflectivity: Reflects heat and light twice as effectively as standard zinc steel sheets, with reflectivity exceeding 0.70
  • Corrosion Resistance: Zinc coating provides both barrier and sacrificial protection
  • Energy Efficiency: Ideal construction material for energy-saving applications
Packaging & Shipping
Coils are protected with waterproof paper inner packing and galvanized steel outer packing, secured with side guard plates and seven steel bands. Custom packaging available upon request.
Steel coil packaging with waterproof protection Steel band securing for shipping Coil loading and transportation Warehouse storage of galvanized coils Quality control inspection process International shipping preparation
Company Profile
Shandong Dingcheng Liye Material Company, founded in 2015, is a modern iron and steel enterprise specializing in carbon steel, alloy steel, galvanized steel pipes, tubes, plates, coils, and profiles. Located in Shandong Province near Qingdao Seaport for efficient logistics.
Shandong Dingcheng Liye Material Company facility Modern steel manufacturing equipment Quality control laboratory
Quality Certifications
SGS quality certification for steel products
ISO quality management certification
Industry compliance certification
Global Export Markets
We export to Europe, Africa, Central Asia, Southeast Asia, Middle East, South America, and North America, maintaining standing inventory of over 15,000 tons to ensure consistent supply for large-scale engineering projects.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shandong Dingcheng Liye Materials Co., Ltd
Location Building 107, Demai International Information Industry Park, Meilihu Street, Huaiyin District, Jinan City, Shandong Province
Contact Person Sun

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