914mm width galvanized steel coil is manufactured through a hot-dip galvanizing process using cold-rolled or hot-rolled steel substrates. This width is suitable for roofing sheets, wall panels, and profile manufacturing. Wanzhi Group supplies GI coils in 600mm–1,500mm widths with customized thickness, zinc coating, and surface treatment options to meet different requirements.
- Thickness: 0.12mm – 4.0mm
- Zinc Coating Weight: Z30 – Z275 g/㎡
- Standard: ASTM, EN, JIS, GB

Specification
| Product Name | 914mm GI Coil / Galvanized Steel Coil |
|---|---|
| Grade | DX51D+Z, DX52D+Z, DX53D+Z, DX54D+Z, DX55D+Z, DX56D+Z, S320GD+Z, S350GD+Z, SGCC |
| Width | 914 mm |
| Thickness | 0.12mm – 4.0mm |
| Zinc Coating Weight | Z30 – Z275 g/m² |
| Substrate | Cold-rolled or hot-rolled steel |
| Surface Finish | Zero spangle, Small spangle, Regular spangle, Large spangle |
| Surface Treatment | Passivation, Oiling/Unoiling, Phosphating, etc. |
| Coil Weight | 3 – 8 tons (custom available) |
| Coil ID | 508 mm / 610 mm |
| Standard | ASTM / EN / JIS / GB |
| Quality Certificate | SGS, ISO, BV, CE etc. |
| MOQ | 10 tons |
| Package | Standard export packaging or as per your requirements |
Common Widths of Galvanized Steel Coil
Galvanized steel coils are available in various widths for roofing, construction, fabrication, and industrial applications. The suitable width depends on the finished product, forming equipment, and processing requirements. 914mm provides an option for applications requiring a narrower coil than wider common sizes such as 1000–1250mm.
- 600–800 mm: Suitable for narrow roofing sheets, wall panels, and profiles.
- 850–914 mm: Available for roofing sheets, wall panels, and other roll-formed products.
- 1000 mm: Used for roofing, wall panels, and general fabrication.
- 1219–1220 mm: Suitable for roofing, cladding, panels, and metal fabrication.
- 1250 mm: A widely available width for construction and general fabrication.
- 1500 mm: Suitable for wider panels and industrial applications.


Advantages of 914mm GI Coil
- Excellent Corrosion Resistance: Zinc coating protects the steel substrate from moisture and atmospheric corrosion.
- Good Strength and Durability: Provides reliable mechanical strength and long-term performance.
- Good Formability: Suitable for bending, roll forming, cutting, and fabrication, depending on the steel grade.
- Suitable Width for Fabrication: The 914mm width suits specific roofing sheet, wall panel, and profile production requirements.
- Good Surface Protection: The zinc coating provides uniform coverage and helps protect exposed steel during service.
914mm GI Steel Coil Applications
914mm GI coil can be processed into various products for construction, fabrication, and industrial applications. Typical uses include:
- Roofing Sheets: Used for corrugated and other roll-formed roofing sheets.
- Wall Panels: Processed into metal wall panels and cladding.
- Steel Profiles: Used for roll-formed profiles, purlins, and studs.
- HVAC Components: Used for ducts, vents, and related components.
- General Fabrication: Used for gutters, enclosures, and other formed metal products.
914mm GI Coil Manufacturing Process
914mm GI coils are manufactured using a continuous hot-dip galvanizing process. The main stages include steel strip preparation, annealing, zinc coating, cooling, surface finishing, inspection, and coiling to produce galvanized coils with the required coating and dimensions.
Steel Strip Preparation → Cleaning & Pickling → Annealing → Hot-Dip Galvanizing → Air Knife Coating Control → Cooling → Skin Pass & Leveling → Surface Treatment → Inspection → Coiling
914mm GI Coil Surface Finish and Treatment
The surface finish affects the appearance of the galvanized coating, while surface treatment helps improve corrosion protection, surface condition, or suitability for subsequent processing.
Surface Finish
- Zero Spangle: Smooth, uniform surface with minimal visible zinc crystals.
- Small Spangle: Fine zinc crystals with a subtle surface pattern.
- Regular Spangle: Visible zinc crystals with a typical galvanized appearance.
- Large Spangle: Larger, more visible zinc crystals on the surface.




Surface Treatment
- Passivation: Helps reduce surface oxidation and white rust during storage and transport.
- Oiling: Provides temporary protection against moisture and corrosion.
- Unoiling: Leaves the surface free of oil for applications requiring a clean surface.
- Phosphating: Improves surface condition and coating adhesion for subsequent painting.
How to Choose a Suitable 914mm GI Coil?
To select the right 914mm GI coil for your project, consider the product requirements, processing conditions, and service environment. The following specifications help determine the most suitable coil for your application:
- Thickness: Choose according to the finished product and forming process.
- Zinc Coating: Select based on the service environment and required corrosion protection.
- Steel Grade: Choose according to strength, formability, and application requirements.
- Surface Finish: Select based on appearance and subsequent processing needs.
- Coil Weight & ID: Match the coil weight and inner diameter to the processing equipment and handling requirements.


914mm Galvanized Steel Coil Manufacturer | Wanzhi Group
Wanzhi Steel Factory & Production
Wanzhi Group operates a steel production base in Binzhou, Shandong Province, China. The factory has 2 galvanized steel production lines, 3 modern prepainted steel lines, and 1 zinc-aluminum-magnesium production line, with an annual production capacity of 600,000 tons. Standard specifications are available from stock, while customized orders can generally be delivered within 5–45 working days.




Quality Control & Standards
Quality control covers the entire production process. The factory is certified to ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018, and products comply with ASTM, GB, JIS, and EN standards. Original MTCs are available, with SGS and BV third-party inspections supported.

Global Supply & Services
Wanzhi Group supplies galvanized steel coils, sheets, wires and tubes, galvalume steel coils and sheets, prepainted steel coils, ZAM steel, PPAL, metal corrugated sheets, and stainless steel products to customers in 120+ countries and regions. With access to major ports including Qingdao and Tianjin, Wanzhi Group supports stable export logistics and offers FOB, CIF, and EXW terms. Customs declaration, commodity inspection, vessel booking, and free samples are also available upon request.


Packaging and Delivery
Most steel coils and sheets are packed using standard export packaging, including plastic film, moisture-resistant paper, galvanized steel sheets, edge protectors, and wooden pallets. These materials help prevent moisture, rust, scratches, and impact damage during handling and transportation. Packaging can be customized according to customer requirements, including vertical or horizontal packing, labeling, etc.

Global Cases
Wanzhi Group supplies GI, GL, PPGI, PPGL steel and other steel products to customers worldwide. Our products serve steel processors, roofing manufacturers, construction companies, appliance manufacturers, and other industrial businesses, supporting projects across different industries and markets.
Wanzhi Steel – Agricultural Greenhouse Project in Turkmenistan
550 tons PPGI Steel Coil to Azerbaijan
100 tons of Galvanized Coils to Saudi Arabia
144 ton Steel Wire to Spanish
Project of PPGI Roofing en Libya
100 tons of GL and PPGL in Solomon Islands
Customer Feedback
Customer feedback is essential to Wanzhi Group and helps us continually improve our products and services. Customers appreciate our consistent product quality, responsive service, efficient production, and reliable delivery, reflecting our commitment to long-term cooperation.
Looking for GI sheets, coils, or strips in 914mm or other widths? Contact Wanzhi Group with your required specifications and quantity for a tailored quotation and solution.






