GI Galvanized Steel Sheet – Zinc coated sheet for roofing, construction and fabrication.
Galvanised Surface Protection – Better anti-rust performance than ordinary carbon steel sheet.
Custom Size Supply – Thickness, width, length and zinc coating can be customized.
Flexible Price Options – GI sheet price depends on grade, coating, size and quantity.
Export Ready Service – MTC, inspection support, pallet packing, FOB, CIF and CFR available.
GI galvanized steel sheet is a zinc coated flat steel material widely used in construction, roofing, ventilation, home appliances and industrial manufacturing. The zinc coating helps protect the steel substrate from rust, moisture and atmospheric corrosion.
In many markets, this product is also called galvanised steel sheet, galvanized iron sheet, GI sheet or zinc coated steel sheet. It is a practical and cost-effective material for buyers who need steel strength with better anti-corrosion performance.
Henan GDD supplies galvanized steel sheets in different grades, thicknesses, sizes, zinc coating weights, spangle types and surface treatments. We support roofing sheet factories, construction material suppliers, duct manufacturers, appliance factories, stamping factories, steel distributors and global project buyers.
| Item | Specification |
|---|---|
| Product Name | GI Galvanized Steel Sheet / Galvanised Steel Sheet / Zinc Coated Steel Sheet |
| Base Material | Cold Rolled Steel / Hot Rolled Steel |
| Steel Grade | DX51D, DX52D, DX53D, SGCC, SGCH, S280GD, S350GD, Q195, Q235 or Customized |
| Standard | ASTM, JIS, EN, GB or Customized |
| Thickness | 0.12 mm – 6.00 mm or Customized |
| Width | 600 mm – 2000 mm or Customized |
| Length | 1000 mm – 6000 mm or Customized |
| Zinc Coating | Z30 – Z275 or Customized |
| Surface Treatment | Chromated, Passivated, Oiled, Dry, Anti-fingerprint or Customized |
| Spangle Type | Regular Spangle, Minimized Spangle, Zero Spangle, Big Spangle |
| Edge Type | Mill Edge / Slit Edge / Cut Edge |
| Surface | Smooth Galvanized Surface / Spangle Surface |
| Processing Service | Cutting, Slitting, Bending, Forming, Corrugation Support |
| Inspection | MTC, Dimension Inspection, Zinc Coating Check, Surface Inspection, Third-party Inspection |
| Application | Roofing, Wall Panel, Air Duct, Ceiling, Cabinet, Appliance, Stamping, Construction |
| Packing | Wooden Pallet, Waterproof Packing, Standard Export Seaworthy Packing |
| Trade Terms | FOB, CFR, CIF, EXW |
GI galvanized steel sheet is a steel sheet coated with zinc. The zinc layer acts as a protective barrier and helps reduce direct contact between the steel base and external moisture, oxygen and corrosive conditions.
The word GI usually means galvanized iron or galvanized steel in international trade. In British English and many export markets, buyers may also search for galvanised steel sheet. Both galvanized and galvanised refer to zinc coated steel sheet products.
GI sheet can be supplied as flat sheet or further processed into corrugated roofing sheet, wall panel, duct sheet, cabinet panel, stamping part or construction component.
Hot dip galvanized steel sheet is produced by coating steel with zinc through a hot dip galvanizing process. It has good corrosion resistance, stable surface quality and wide application in roofing, construction, ducts and industrial parts.
Regular spangle galvanized sheet has a visible zinc crystal pattern on the surface. It is commonly used in construction materials, roofing sheets, wall panels and general fabrication products.
Zero spangle galvanized sheet has a smoother and more uniform surface appearance. It is suitable for applications requiring better surface quality, painting, appliance panels and precision processing.
DX51D galvanized sheet is widely used for general forming and construction applications. It is suitable for roofing sheets, wall panels, air ducts, ceiling systems and light fabrication.
SGCC galvanized steel sheet is commonly used in Asian and international markets. It is suitable for construction materials, panels, appliances, ducting and industrial products.
Cut-to-size galvanized steel sheet can be supplied according to customer requirements. Width, length, thickness, zinc coating, spangle type and packing method can be customized for different markets.
GI galvanized steel sheet is widely used in building and construction material production. It can be processed into corrugated roofing sheets, wall panels, ceiling panels, partition panels, garage doors, rolling shutter doors and construction accessories.
In HVAC and ventilation systems, galvanized sheet is used for air ducts, duct fittings, ventilation parts and related components. Its zinc coating helps improve durability in indoor and semi-outdoor environments.
In industrial manufacturing, GI sheet is used for electrical cabinets, machinery covers, appliance panels, stamping parts, metal boxes, shelves, cable trays and light steel components.
It is also suitable for agricultural buildings, warehouses, fences, containers, prefabricated houses, workshops and general anti-rust steel products.
The zinc coating helps protect the steel surface from rust and moisture, making GI sheet more durable than ordinary black carbon steel sheet.
Compared with stainless steel, galvanized steel sheet provides a practical balance between price, corrosion resistance and processing performance for many construction and industrial applications.
GI galvanized sheet can be cut, bent, punched, stamped, roll-formed, corrugated and fabricated into many finished products.
Zinc coating can be selected according to service environment, product use and budget. Common coating options include Z30, Z60, Z80, Z100, Z120, Z180 and Z275.
Regular spangle, minimized spangle, zero spangle and anti-fingerprint surfaces can meet different appearance, painting and processing requirements.
GI sheet is widely recognized in global markets and suitable for construction material importers, roofing factories, distributors and industrial buyers.
GI galvanized steel sheet price is affected by several key factors, including raw material cost, steel grade, sheet thickness, width, length, zinc coating weight, surface treatment, order quantity, packing requirement and shipping destination.
Higher zinc coating usually means higher material cost but better corrosion resistance. Thicker sheets and special sizes may also affect the final price. For export orders, freight cost, port charges and trade terms such as FOB, CFR or CIF will also influence the total purchasing cost.
To provide an accurate GI sheet price, Henan GDD recommends buyers send the required thickness, width, length, zinc coating, grade, quantity and destination port.
Galvanized steel sheet and galvanised steel sheet refer to the same product. “Galvanized” is commonly used in American English, while “galvanised” is widely used in British English and many international markets.
Both terms describe steel sheet coated with zinc for corrosion protection. When uploading products to an international website, using both galvanized and galvanised keywords can help cover more buyer search habits.
Henan GDD supplies both standard GI sheets and customized galvanised steel sheets according to customer specifications.
Galvanized steel coil is supplied in coil form and is suitable for factories with slitting, cutting, roll forming or continuous production equipment.
Galvanized steel sheet is already cut into flat sheet form, making it convenient for buyers who need direct use, sheet processing, stamping, panel making or small-batch fabrication.
For roofing sheet factories, galvanized coil may be more efficient. For distributors, panel makers and fabrication workshops, galvanized sheet can be easier to handle and sell.
Henan GDD can supply galvanized steel sheets with chromated, passivated, oiled, dry and anti-fingerprint surface treatments. The proper surface treatment helps improve storage performance, processing quality and corrosion resistance.
Oiled surface can help reduce temporary rust during storage and transportation. Dry surface is suitable for some processing and painting requirements. Anti-fingerprint surface is often used for panels, appliances and products requiring a cleaner appearance.
Henan GDD is a reliable steel material supplier with experience in galvanized steel coil and sheet supply, cutting, processing, inspection, packing and export service. We provide GI galvanized sheet solutions for roofing sheet factories, construction material suppliers, HVAC duct manufacturers, appliance producers, stamping factories, steel distributors and global project buyers.
We support custom thickness, width, length, zinc coating, spangle type, surface treatment, cutting service, inspection documents and international shipment. From quotation to production, inspection, packing and loading, our team can provide one-stop export support for your galvanized steel sheet orders.
Before shipment, Henan GDD can arrange inspection according to customer requirements. Inspection items may include steel grade, thickness, width, length, zinc coating, spangle type, surface condition, flatness, edge quality, sheet quantity, pallet weight and packing condition.
For project or factory orders, chemical composition, mechanical properties, zinc coating test, bending performance, surface defects and third-party inspection can also be arranged according to customer specifications.
MTC, quality documents, inspection photos, packing photos, loading photos and third-party inspection reports can be provided according to order requirements.
GI galvanized steel sheets are usually packed with waterproof paper, protective film, wooden pallets, steel strips and export labels. Proper packing helps protect sheets from moisture, scratches and deformation during ocean transportation.
Sheet size, pallet weight, packing method and shipping marks can be customized according to buyer requirements. Shipment can be arranged by container or other suitable logistics method depending on order quantity and destination port.
Export documents such as commercial invoice, packing list, bill of lading, MTC and certificate of origin can be provided according to buyer requirements.
GI sheet usually means galvanized iron sheet or galvanized steel sheet. It is a steel sheet coated with zinc for better corrosion resistance.
Yes. Galvanised is the British spelling, while galvanized is the American spelling. Both refer to zinc coated steel sheet.
GI sheet is used for roofing, wall panels, air ducts, ceiling systems, cabinets, appliances, stamping parts, construction components and industrial fabrication.
Common zinc coating options include Z30, Z60, Z80, Z100, Z120, Z180 and Z275. Customized zinc coating can also be supplied according to order requirements.
Please provide thickness, width, length, zinc coating, grade, quantity, packing requirement, destination port and trade terms. We will calculate a suitable GI sheet price based on your specifications.
Yes. Width, length, thickness, zinc coating, spangle type and packing method can be customized according to customer requirements.
Yes. MTC, quality documents, inspection photos, packing photos, loading photos and third-party inspection can be provided according to order requirements.
Looking for GI galvanized steel sheets for roofing, ducts, panels or industrial fabrication?
Send us your required grade, thickness, sheet size, zinc coating, quantity and destination port. Henan GDD will provide a competitive galvanized steel sheet price and a suitable shipping solution.
