Galvanized (GP) Sheets & Coils Inventory | IS 277 | Pannani Tubes

Galvanized (GP) Sheets & Coils

Hot-Dip Zinc Coated Steel for Ultimate Corrosion Protection.
IS 277 & ASTM A653 Compliant.

Product Forms & Finishes

GP Coils
Continuous Roll

GP Master Coils

Galvanized Plain coils for continuous roll-forming operations, pipe making, and automated stamping lines. High adherence zinc coating.

GP Flat Sheets
Cut to Length

GP Flat Sheets

De-coiled and precision flattened sheets. Ideal for electrical panels, bus body building, coolers, and general fabrication requiring rust resistance.

Zero Spangle Sheet
Paint Ready

Zero Spangle (Skin Passed)

Lead-free, uniformly smooth finish with invisible spangle. Perfect for HVAC ducting, appliance bodies, and applications requiring high-end painting.

Regular Spangle
Classic Look

Regular / Big Spangle

Features the traditional "star" or "flower" zinc crystal pattern. Cost-effective for general structural use, decking, and unseen industrial parts.

Corrugated Sheets
Roofing

GC Sheets (Corrugated)

Galvanized Corrugated sheets for roofing and cladding. Provides excellent water-shedding properties and high rigidity for factory sheds and warehouses.

High GSM Coating
275+ GSM

High GSM Coated

Heavy zinc coating classes (Z275, Z350, Z450) designed for extreme outdoor exposure, coastal areas, and highly corrosive industrial environments.

IS 277 Coating Classes

Understanding Zinc Coating (GSM - Grams per Square Meter) for durability.

Coating Class (GSM) Spangle Type Corrosion Resistance Typical Applications
90 GSM (Class VIII) Regular / Zero Moderate (Indoor/Painted) Panels, appliances, indoor HVAC ducts.
120 GSM (Class VII) Regular / Zero Standard (General Use) Roofing bases, general outdoor fabrication.
180 GSM (Class V) Regular / Minimum High (Outdoor Use) Premium roofing, silos, agricultural equipment.
275 GSM (Class III) Regular / Minimum Very High (Harsh Weather) Coastal structures, solar structures, heavy decking.

Dimensions & Processing

Thickness Range

0.30 mm to 3.0 mm

Available in thin gauges for roofing and thicker gauges for structural components.

Standard Widths

900, 1000, 1220, 1250 mm

Standard lengths include 2000mm, 2440mm (8ft), and 2500mm.

Processing Services

Slitting, Blanking & Corrugating

We provide slit coils for pipe making and custom-cut blanks to reduce your scrap.

Prime Material from Leading Mills

Sourcing directly from Tata Steel (Galvano), JSW, AM/NS, and SAIL. Original Mill Test Certificates provided.