SGCC Laminated Steel Coil
Introduction
SGCC laminated steel coils are a type of laminated metal material made by bonding high-performance PET, PVC, or functional films to SGCC hot-dip galvanized steel sheets as the base material. Compared to traditional painted steel sheets, laminated steel coils combine decorative appeal, corrosion resistance, and processability, and can be used directly in the manufacture of home appliance housings, reducing subsequent processing steps and improving production efficiency.
Table of Contents

Specifications
| Item | Specification |
| Product Name | SGCC Laminated Steel Coil |
| Substrate | SGCC Hot-Dip Galvanized Steel |
| Standard | JIS G3302 |
| Steel Grade | SGCC |
| Zinc Coating | Z30–Z275 g/㎡ |
| Thickness | 0.25–1.20 mm |
| Width | 600–1,250 mm |
| Coil Inner Diameter | 508 mm / 610 mm |
| Coil Weight | 3–8 Tons (Customized) |
| Film Type | PET, PVC, Functional Film |
| Film Thickness | 20–150 μm |
| Surface Finish | High Gloss, Matte, Satin, Embossed,etc |
| Color | White, Black, Silver, RAL Colors, Customizable |
| Protective Film | Optional |
| Processing | Slitting, Cut-to-Length, Profile Forming |
| MOQ | 25 tons |
| Packaging | Standard Export Seaworthy Packing |
Comparison of Different Substrates
| Substrate | Features | Typical Applications |
| SGCC | Commercial-grade hot-dip galvanized steel, JIS G3302 standard | Appliance casings (refrigerators, air conditioners), general stamped parts |
| SGCH | High-strength hot-dip galvanized steel, JIS G3302 standard | Building structures, load-bearing components, pipes and containers |
| DX51D+Z | European standard EN 10346, low-carbon steel | Construction, general manufacturing, also applicable to the home appliance industry |
| GL Substrate | Better heat and corrosion resistance | Premium appliances substrate |
Production Video
Why Are Home Appliance Manufacturers Increasingly Turning to Laminated Steel?
- First, it offers a wide variety of surface finishes—not only in color but also in gloss levels. There are numerous patterns available, such as brushed, stone, wood grain, and mirror finishes, all of which are highly realistic.
- Second, it offers high color consistency; compared to PCM steel, there are no color discrepancies, whether among products from the same batch or different batches.
- Finally, these products have very low VOC emissions, making them more environmentally friendly; moreover, they can be directly stamped into shape, improving production efficiency at home appliance factories.


Why SGCC Is Often Used as the Base Material for Home Appliance Steel
SGCC stands for Hot-dip Galvanized Steel Sheet as defined in the Japanese JIS G3302 standard. Its advantages as a base material for home appliance steel are as follows:
- Since home appliances are often exposed to humid environments, SGCC offers strong corrosion resistance, whereas cold-rolled steel (SPCC) has relatively weak corrosion resistance.
- The manufacturing process for home appliances involves extensive stamping, bending, and other forming operations, and SGCC base sheets offer good ductility.
- SGCC has high surface quality and strong coating adhesion, ensuring a firm bond with the surface film.
- Compared to stainless steel, aluminum sheet, and aluminum-zinc-coated steel sheet, SGCC offers significant cost advantages while meeting both corrosion resistance and processing requirements.


SGCC Laminated Steel Coil Applications
Home Appliance Industry (Primary Applications)
- Refrigerator door panels, side panels, and interior panels;
- Washing machine lids, outer casings, and control panels;
- Indoor and outdoor units of air conditioners, display refrigerators, dishwashers, wine coolers, freezers, etc.
Decorative and Door Applications
- Interior and exterior decoration: kitchen cabinet doors, elevator cabin interiors, bathroom finishes, etc.
- Security and fire-rated doors: Since the surface can be coated with fire-retardant film, these doors offer both fire resistance and decorative appeal.
Other Applications
- Transportation: Interior trim for automobiles, ships, trains, and other vehicles.
- Electrical cabinets and control equipment: Enclosures for power distribution cabinets, control panel fronts, electrical boxes, and housings for automation equipment, etc.


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Why Choose Us
- Supply Chain Maturity: Multi-tiered resource integration, rapid response, and guaranteed delivery.
- Global Experience: We have provided in-depth services to leading international home appliance clients in the Middle East, South America, and other regions, and possess extensive production experience.
- Quality Transparency: We maintain strict quality standards through our in-house laboratory and undergo testing by authoritative organizations such as SGS, ensuring full transparency of our quality (please refer to our SGS test reports).

Wanzhi Steel specializes in the manufacture of steel products for home appliances. The company and its products have obtained numerous certifications, including ISO 9001, ISO 14001, CE, and SGS. If you are a home appliance manufacturer or a purchaser of steel for home appliances, please feel free to contact us at any time to learn more about our products.
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