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Delivering excellence in colour coated, corrugated, and custom steel sheets with ISO 9001:2015 certified quality for industrial and residential projects.



National Steel Corporation has been a pioneer in metal roofing and steel solutions for over 20 years. Since our establishment, we have consistently delivered ISO 9001:2015 certified, high-quality steel products for industrial, commercial, and residential projects across India. Our state-of-the-art manufacturing facility, combined with rigorous quality control and customer-centric approach, makes us the preferred choice for over 1000+ successful projects nationwide.
Read About UsState-of-the-art in-house manufacturing facility ensuring precision quality and adherence to international standards with continuous quality monitoring.
Efficient PAN-India logistics network with regional warehousing ensuring timely delivery and reduced transportation costs to every corner of the nation.
Advanced cutting technology for custom sizes and profiles, minimizing material waste while meeting exact project specifications and engineering requirements.
Large inventory of standard materials with bulk dispatch capabilities ensuring immediate availability and seamless fulfillment of large orders.
Proven track record with leading construction companies, contractors, and architects. Our quality and reliability make us the preferred vendor for major projects.
Comprehensive quality testing including corrosion resistance, coating adhesion, and structural integrity tests ensuring products meet or exceed industry standards.
Our comprehensive range of steel and roofing solutions cater to diverse sectors with specialized requirements and quality standards.
| Feature | Colour Coated Sheets | GC Corrugated Sheets | GP Plain Sheets |
|---|---|---|---|
| Corrosion Resistance | Excellent (Multi-layer polymer coating + zinc) | Good (Hot-dip galvanized coating) | Good (Zinc coating) |
| UV Protection | High (UV-resistant topcoat) | Limited (Metallic finish) | None (Raw galvanized finish) |
| Aesthetic Options | Wide range (RAL colors, textures) | Limited (Metallic finish only) | Basic (Zinc-coated appearance) |
| Typical Lifespan | 15-25 years | 10-15 years | 8-12 years |
| Maintenance Requirements | Low (Periodic cleaning) | Moderate (Regular inspection) | Moderate (Rust prevention) |
| Cost Range (₹/sq.ft) | ₹180-320 | ₹120-200 | ₹80-150 |
| Ideal Applications | Premium buildings, Coastal areas, Aesthetic projects | Industrial sheds, Agricultural buildings | General fabrication, Temporary structures |
| Weather Resistance | Excellent (All weather conditions) | Good (Standard weather protection) | Fair (Basic protection) |

**Challenge:** 50,000 sq.ft warehouse facility required rapid installation with aesthetic appeal and long-term durability for e-commerce operations.
**Solution:** Supplied custom-cut colour coated sheets with pre-engineered profiles, ensuring 40% faster installation and 25-year warranty coverage.
"We've trusted Acier for 5+ projects…"

**Challenge:** Legacy factory required roof replacement with improved natural lighting, heat reduction, and better ventilation for worker comfort.
**Solution:** Integrated polycarbonate skylights with colour coated roofing and installed turbo ventilators, achieving 30% temperature reduction.
"We've trusted Acier for 5+ projects…"

**Challenge:** New pharmaceutical cold storage required highly insulated, moisture-resistant roofing with strict temperature control compliance.
**Solution:** Provided PUF insulated panels with vapor barriers and specialized sealants, ensuring -18°C to +8°C temperature maintenance.
"We've trusted Acier for 5+ projects…"
National Steel proudly serves a wide network across India, ensuring fast and reliable delivery to your project site. Our key service regions include:
Express Delivery in 24-48 hoursRegional Warehousing & Stock PointsLocal Technical SupportCustomized Logistics Solutions
We offer a comprehensive range of color coatings including standard RAL colors (RAL 9002, 5010, 6005, etc.), custom tints, and specialized finishes like matt, gloss, and textured surfaces. Our coatings include polyester, SMP (Silicone Modified Polyester), and PVDF options for varying durability requirements.
Our roofing sheets are available in multiple thicknesses: Colour Coated Sheets (0.35mm to 0.8mm), GC Corrugated Sheets (0.4mm to 1.0mm), and GP Sheets (0.3mm to 2.0mm). Thickness selection depends on structural requirements, span length, and load calculations.
Yes, we provide precision cut-to-length services for all our products. Custom lengths from 1 meter to 12 meters are available, helping minimize waste and ensuring perfect fit for your project specifications. We also offer custom profile cutting for special applications.
All our products are manufactured under ISO 9001:2015 quality management system. Our products comply with IS 277 (Galvanized sheets), BIS standards, and international standards like ASTM A653, JIS G3312. We provide test certificates for coating thickness, zinc coating, and mechanical properties.
While we specialize in manufacturing and supply of high-quality materials, we maintain a network of certified installation partners across India. We can connect you with experienced contractors and provide technical support during installation to ensure proper application of our products.
We provide comprehensive warranties: Colour Coated Sheets (15-25 years against coating degradation), GC Corrugated Sheets (10-15 years against perforation), and structural products with manufacturing defect warranties. Warranty terms depend on application, environment, and maintenance compliance.
Tell us your requirements, and our team will provide a tailored solution and pricing.