GI Coil Supplier Mumbai | GP Coil, Galvanized Steel Coil IS 277 in Stock – Aero Enterprises, Vasai East

Mill Certified Primary Stock Fast Dispatch
Industrial Coil
High Stock
Galvanized Iron Coil (GI Coil / GP Coil)
Industrial Coil

Technical Profile

Aero Enterprises is a leading GI Coil supplier in Mumbai, providing premium galvanized steel coil (GP Coil) to sheet metal fabricators, electrical panel manufacturers, roofing contractors, and OEM stamping units across Mumbai, Navi Mumbai, Thane, and Vasai. Our GI coils meet IS 277, IS 1079, ASTM A653, and JIS G3302 standards, available in Z120, Z180, and Z275 zinc coating grades. We stock full coil (3MT–8MT) and slit coil in custom widths from 25mm strip to 1250mm full width. Contact us for today's GI coil price per kg.

“Hot-dip galvanized IS 277 coil in Z120/Z180/Z275 coating grades for corrosion-resistant fabrication.”
Market Rate
₹62,000/ Metric Ton
Min Gauge0.2 MM
Max Gauge6 MM
SpecificationsApplicationsGradesDelivery ZonesTechnical Q&A
Material Full Form
GALVANIZED (GI / GP) COIL

GI Coil full form is Galvanized Iron Coil.

HSN Code: Galvanized Iron Coil
7210

Universal GST HSN for Galvanized Iron Coil products in India.

Current Price Index
₹62,000 / MT

Daily revised prices based on TATA/JSW market indices.

What is GI Coil? (GI Coil Full Form and Meaning)

GI Coil full form is Galvanized Iron Coil. It is a cold-rolled steel coil coated with a uniform layer of zinc through a continuous hot-dip galvanizing process — the steel strip is passed through a bath of molten zinc at approximately 450°C. The zinc bonds metallurgically to the steel surface, creating a barrier that prevents oxidation. Even if the surface is scratched, the surrounding zinc oxidises first (sacrificial protection), protecting the base steel underneath. GP Coil full form is Galvanized Plain Coil. In the Indian market, GI Coil and GP Coil refer to the same product — both are zinc-coated flat-rolled steel coils manufactured as per IS 277. Fabricators and traders use GI; pipe manufacturers and roofing contractors use GP.

GI Coil Weight Calculator

To calculate GI coil weight per metre: Weight (kg/m) = Thickness (mm) × Width (mm) × 0.00000785. Example: 0.5mm thick × 1000mm wide = 0.5 × 1000 × 0.00000785 = 3.925 kg per metre. A 1000-metre coil of this size weighs approximately 3,925 kg (3.9MT). Note: Zinc coating adds approximately 0.8–2.2 kg per tonne to the total weight depending on coating grade.

ThicknessWidth 1000mmWidth 1200mmWidth 1250mm
0.30mm2.36 kg/m2.83 kg/m2.95 kg/m
0.40mm3.14 kg/m3.77 kg/m3.93 kg/m
0.50mm3.93 kg/m4.71 kg/m4.91 kg/m
0.60mm4.71 kg/m5.65 kg/m5.89 kg/m
0.80mm6.28 kg/m7.54 kg/m7.85 kg/m
1.00mm7.85 kg/m9.42 kg/m9.81 kg/m

GI Coil Uses and Applications

Sheet metal fabrication — blanking, forming, deep drawing for brackets, enclosures, panels
Electrical panel boards — indoor distribution boxes, switchgear frames, MCB enclosures
Roofing and cladding — corrugated roofing sheets, wall panels, industrial shed roofing
Automotive components — door panels, underbody parts, brackets requiring corrosion resistance
HVAC ducts — rectangular and round ducts, flanges, damper frames
Fencing and mesh — welded mesh sheets, chain link fencing, perforated panels
Furniture manufacturing — metal drawer frames, wardrobe profiles, shelf brackets
Flood light components — mounting brackets, back plates, heat sink covers
Solar mounting structures — module frames, rail brackets, ground mount systems
Agricultural equipment — storage silos, irrigation pipe brackets, shed frameworks

GI Coil Zinc Coating Grades — Z120, Z180, Z275

GradeZinc WeightApplication
Z120120 gsm120 gsm total zinc both sides. Indoor applications: electrical cabinets, false ceiling frames, indoor panels. Corrosion life: 5–10 years indoor.
Z180180 gsm180 gsm total zinc both sides. General fabrication: automotive parts, furniture frames, duct work. Corrosion life: 10–15 years semi-exposed.
Z275275 gsm275 gsm total zinc both sides. Outdoor and coastal: roofing sheets, agricultural sheds, solar structures. Corrosion life: 20–25 years exposed.

GI Coil Zinc Coating Grades — Z120, Z180, Z275

Certified Grade Variations in Stock

Inquire Grade Availability
1

Z120 — 120 gsm total zinc both sides. Indoor applications: electrical cabinets, false ceiling frames, indoor panels. Corrosion life: 5–10 years indoor.

Standard Industrial Grade

2

Z180 — 180 gsm total zinc both sides. General fabrication: automotive parts, furniture frames, duct work. Corrosion life: 10–15 years semi

exposed.

3

Z275 — 275 gsm total zinc both sides. Outdoor and coastal: roofing sheets, agricultural sheds, solar structures. Corrosion life: 20–25 years exposed.

Standard Industrial Grade

Difference Between GI Coil and CR Coil

GI Coil (Galvanized Iron) is a CR coil with a zinc coating applied via hot-dip galvanizing. The base material is the same — cold-rolled steel — but GI carries a zinc layer (Z120/Z180/Z275) for corrosion protection. CR Coil (Cold Rolled) has no coating — it is bare steel with a smooth, bright surface. Choose GI for outdoor, humid, or corrosive environments where rust resistance is required. Choose CR for indoor precision parts, deep drawing applications, and components that will receive their own surface treatment (paint, powder coat, plating) post-fabrication. GI costs 8–12% more than equivalent CR due to the zinc coating.

Get Material Grade Advice

GI Coil Price in India and Mumbai

GI Coil price in Mumbai depends on four factors: thickness (thinner gauges carry a premium), coating grade (Z275 is priced ₹3–6/kg higher than Z120), brand (JSW GI Coil and TATA Galvano carry a ₹2–4/kg premium over secondary grade), and quantity (full coil lots are priced lower than slit or cut-length). As of May 2026, the approximate GI coil price is ₹55–₹78 per kg for IS 277 grade in Mumbai. For today's GI coil price per kg in Mumbai, Navi Mumbai, Thane, or pan-India delivery rates, contact us at +91 8459121717. We offer bulk discounts and competitive rates for regular customers.

GI Coil Price Today and Market Trends

GI coil prices fluctuate based on global zinc LME rates, HR coil base prices, and domestic steel demand. Major manufacturers like JSW Steel (JSW GI Coil), Tata Steel (TATA Galvano), and SAIL revise galvanized coil prices monthly. Current market trends show GI coil prices closely tracking zinc LME movements — a 10% rise in zinc prices adds approximately ₹1.5–2/kg to GI coil cost. For real-time GI coil price today, including JSW GI Coil price and TATA Galvano price, contact our sales team for instant quotes.

GI Coil HSN Code

The HSN code for GI Coil (Galvanized Steel Coil) is 72104900 — flat-rolled products of iron or non-alloy steel, of a width of 600mm or more, plated or coated with zinc, not corrugated. GST rate: 18%. For PPGI (Pre-Painted GI Coil), HSN code is 72106100.

Material Integrity

standard
IS 277 / ASTM A653
surface finish
Regular Spangle / Zero Spangle / Skin Passed
edge condition
Mill Edge / Slit Edge
formability
Good for bending and roll forming; not recommended for deep drawing without Z180+ grade

Pan-India Supply

Aero Enterprises delivers mill-certified material from Unit II Dhumal Nagar across Mumbai, Maharashtra, and Pan-India via our logistics network.

View All Delivery Zones & Quotes

Related Products

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GI SHEET
CRC SHEET
CR COIL
HR COIL
MS SHEET
Expert Insights

Technical Procurement Guide: sheet metal for fabrication hr vs cr which to use

Master the procurement variables for Galvanized Iron Coil (GI Coil / GP Coil). Review our engineering team's deep dive into which to use.

Read Technical Guide

Technical Q&A

Verified Procurement Intelligence

What is GI Coil full form?
GI Coil full form is Galvanized Iron Coil — a zinc-coated steel coil manufactured by passing cold-rolled steel through a bath of molten zinc at approximately 450°C. The zinc bonds metallurgically to the steel surface and prevents oxidation and rust.
What is GP Coil full form? Is GP Coil the same as GI Coil?
GP Coil full form is Galvanized Plain Coil. In the Indian market, GP Coil and GI Coil are the same product. Both refer to zinc-coated flat-rolled steel coils manufactured as per IS 277. Fabricators call it GI; roofing contractors and pipe manufacturers call it GP.
What is GI Coil price per kg today in Mumbai?
GI Coil price in Mumbai ranges from ₹55–₹78 per kg depending on thickness, zinc coating grade (Z120/Z180/Z275), and brand (JSW, TATA, SAIL). Contact Aero Enterprises at +91 8459121717 for a same-day quote with current base price.
What is JSW GI Coil price?
JSW GI Coil typically trades at a ₹2–4/kg premium over secondary grade GI coil in Mumbai. JSW GI Coil is available in Z120, Z180, and Z275 grades. Call Aero Enterprises for today's JSW GI Coil rate.
What is the HSN code for GI Coil?
HSN code for GI Coil 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%.
What thickness of GI Coil is available in Mumbai?
We supply GI Coil in thickness 0.20mm to 2.0mm. Common fabrication thicknesses are 0.40mm, 0.50mm, 0.63mm, 0.80mm, and 1.0mm. Thinner gauges (0.20mm–0.30mm) are available for electrical enclosure and false ceiling applications.
What is the difference between GI Coil and CR Coil?
GI Coil is CR steel with a zinc coating for corrosion protection. CR Coil is bare cold-rolled steel without coating. Choose GI for outdoor or humid environments; choose CR for indoor precision parts or components receiving post-fabrication surface treatment.
What is GI Coil used for in sheet metal fabrication?
GI Coil is fed directly into power press machines for blanking, piercing, and forming. Used for electrical enclosures, panel doors, roofing accessories, HVAC ducts, brackets, flood light housings, and automotive components where built-in corrosion resistance is required.
Do you provide GI coil slitting and cutting services?
Yes. We supply custom slit coil in widths from 25mm strip to 1250mm full width, with slitting tolerance ±0.5mm. Cut-to-length sheets also available in required dimensions.
What is the minimum order quantity for GI Coil?
Minimum order is 100kg for slit coil. Full coil lots start from 3MT. We supply from 100kg trial orders to bulk tonnage orders — no upper limit.

Procure Galvanized Iron Coil (GI Coil / GP Coil)

Access mill-direct rates for Galvanized Iron Coil (GI Coil / GP Coil) from Unit II Dhumal Nagar. Bulk tonnage discounts and fabrication at Unit I Vasai Phata available under one commercial agreement.

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Mill Test Certificates (MTC) Available Upon Request