Secondary GI Sheet Supplier Mumbai | Budget Galvanized or GP Sheets at 15% to 20% Discount | Aero Enterprises
Aero Enterprises supplies secondary GI sheets across India for roofing, sheds, fencing, storage structures, and general fabrication work. These sheets are used where rust protection matters and small surface marks are acceptable for budget projects.
Details of Secondary Galvanized Iron Sheets
Aero Enterprises supplies secondary GI sheets (second quality galvanized iron sheets) in Mumbai at 15 to 20% discount versus prime material. Secondary galvanized sheets have minor imperfections like slight coating variations, small surface marks, edge irregularities but provide the same zinc coating corrosion protection with a typical 10 to 12 year lifespan. We stock thicknesses from 0.5mm to 6mm in secondary size with 80 to 120 GSM zinc coating. They are widely used as sheet input for heavy-duty Sheet Metal Bending and structural Welding operations. Ideal for warehouse sheds, industrial roofing, agricultural buildings, temporary structures, storage facilities, poultry sheds, and applications where surface appearance is secondary to rust protection and cost savings. Same day dispatch for Mumbai contractors with transparent quality disclosure.
“Secondary GI sheets are a budget-friendly choice for roofing, sheds, fencing, and general outdoor use.”
What are Secondary GI Sheets?
Secondary GI sheets (also called second quality, off-grade, or commercial seconds) are galvanized iron sheets that do not meet prime quality visual standards due to minor defects from the galvanizing process or handling. Common imperfections include: uneven zinc spangle distribution, slight coating thickness variations, small bare spots or thin coating areas (still above minimum standard), surface marks or scratches, edge irregularities, slight discoloration, or storage marks. Importantly, secondary GI sheets maintain adequate zinc coating typically 80 to 120 GSM total coating providing 10 to 12 year rust free life in normal environments. The base steel structural strength and load-bearing capacity remain equivalent to prime material. Not recommended for: premium residential roofing visible from street, coastal areas requiring 180 to 275 GSM, architectural cladding, export projects requiring strict No TC, or high-end commercial buildings. For warehouse roofing, sheds, agricultural buildings, fencing, and budget construction, secondary GI sheets offer 15 to 20% cost savings with no compromise on functional rust protection.
Secondary Galvanized Iron Sheets Weight Calculator
Verified sheet thickness and estimated mass data for procurement billing calculations.
Best Applications for Secondary GI Sheets
Recommended industrial use cases and fabrication applications for Secondary Galvanized Iron Sheets.
Secondary vs Prime GI Sheet What is the Difference?
Secondary GI sheets are 15 to 20% cheaper than prime with 80 to 120 GSM zinc coating versus prime's consistent 120 to 275 GSM. The base steel strength and functional corrosion protection are fully intact secondary GI gives 10 to 12 years rust-free life vs 12 to 15 years for prime 120 GSM. The difference is cosmetic uneven spangle, small surface marks, slight coating variations. Choose secondary for warehouse roofing, sheds, agricultural buildings, fencing, and budget construction where appearance is not critical. Choose prime for coastal areas, visible residential roofing, architectural cladding, and projects requiring specifications.
HSN Code of Secondary Galvanized Iron Sheets
HSN code for Secondary GI Sheet (off-grade galvanized iron plain sheet) is 72104900 flat-rolled products of iron or non-alloy steel, width 600mm or more, plated or coated with zinc, not corrugated. GST rate is 18%. Secondary material carries the same HSN classification as prime GI sheet. All Aero Enterprises invoices include HSN code, GST breakup, and quality grade disclosure.
FAQ of
Secondary Galvanized Iron Sheets
Aero Enterprises believe in keeping things clear and simple. Read through our common questions to understand our supply capabilities, standards, and procurement processes for Secondary Galvanized Iron Sheets.