Top Manufacturer and Supplier of Weathering Steel Sheets in India

SMA400AW Weather Resistant Steel

Corten Steel Tube is a leading manufacturer and supplier of weathering steel sheets in India. These sheets are strong, durable, and resistant to corrosion. When exposed to outdoor conditions like rain and humidity, they develop a protective rust layer called patina, which prevents further rusting. This makes them low-maintenance and eliminates the need for painting or coatings.

Our weathering steel sheets are available in different sizes, thicknesses, and grades to suit various needs. They are widely used in bridges, building facades, sculptures, and other outdoor structures due to their long-lasting performance and unique rustic look.

At Corten Steel Tube, we focus on providing high-quality products and customized solutions for every project. Choose us for reliable, affordable, and durable weathering steel sheets that meet your requirements.

Difference Between Weathering Steel and Normal Steel?

Weathering steel and normal steel differ in composition and properties. Normal steel is primarily made of iron and carbon, making it susceptible to rust in outdoor conditions. It requires painting or coatings for protection. In contrast, weathering steel contains alloying elements like copper, chromium, nickel, and phosphorus, which allow it to develop a protective rust layer called patina when exposed to weather. This natural patina acts as a barrier, reducing further corrosion and eliminating the need for coatings. Weathering steel is a low-maintenance, durable solution for applications exposed to harsh atmospheric conditions.

Trust Corten Steel Tube for high-quality, standards-compliant weather-resistant steel sheets in Mumbai. Durable solutions for all your structural needs.

How Durable is Weathering Steel Sheets? What Are Its Other Properties?

Weathering steel sheets are highly durable and offer several advantageous properties, making them an excellent choice for various applications. Their unique rust-like patina forms naturally when exposed to weather, providing enhanced resistance to atmospheric corrosion. This protective layer eliminates the need for frequent painting or coatings, significantly reducing maintenance costs and efforts. Additionally, weathering steel sheets  are known for their high tensile strength and can be welded using conventional methods, making them versatile for construction and industrial uses. Their rustic appearance adds aesthetic appeal, making them popular for architectural and decorative projects.

Weathering Steel Sheet Specification

Corten Steel Tube offers high-quality weathering steel sheets with 1/4″ to 1/2″ thickness, ideal for facades, roofs, and easy welding applications. Durable and reliable solutions.

Specification Details
Thickness 1/4″ to 1/2″
Width 48″
Length 120″
Grades Corten A & Corten B
Applications Building facades, roof construction
Weldability Manual welding, submerged arc welding

Most Frequently Used Types of Weathering Steel Sheets

1. Atmospheric Corrosion Resistant Steel Sheet

  • Width: 48 to 60 inches
  • Thickness: 3/8 to 1/2 inch
  • Length: 120 inches
  • Used in outdoor structures like facades, roofing, and bridges for enhanced corrosion resistance.

2. Weathering Steel Coil

  • Applications:
    • Sculptures
    • Bridge structures
    • Construction materials

3. Weather Resistant Steel Strip

  • Cutting Methods:
      • Laser cutting
      • Plasma cutting
      • Waterjet cutting
  • Ideal for precise industrial and decorative applications.

Weathering steel sheets are known for their strength, durability, and ability to withstand harsh weather conditions, making them a preferred choice for structural and aesthetic projects.

Size Range of Weathered Steel Sheet

Thickness Length Width Weight (lbs/ft)
1/2″ 120.00″ 48.00″ 20.420
1/4″ 120.00″ 60.00″ 10.210
1/4″ 120.00″ 48.00″ 10.210
3/8″ 120.00″ 48.00″ 15.315

Atmospheric Corrosion Resistant Steel Sheet Equivalent

Material # ASTM SEW 087 EN 10155 UNI NFA 35-502 BS 4360 JIS G3114
1.8967     S355K2G2W        
1.8945   E 36 WA 3 S355J0WP WR 50 A Fe 510 C1K1    
1.8961   WTSt 37-3 S235J2W Fe 360 DK 1 E 24 W 4    
1.8959 A 588 – A 242 Gr. 1   S355J0W Fe 510 C2K1 E 36 WB 3 WR 50 B SMA 50 AW
1.8946 A 242 Type 1   S355J2WP Fe 510 D1K1 E 36 WA 4    
1.8965     S355J2G2W       SMA 50 CP
1.8963 A 588 Gr. A WTSt 52-3 S355J2G1W Fe 510 D2K1   WR 50 C to
1.8966 A 709 Gr. 50 W   S355K2G1W   E 36 WB 4  

Weather Resistant Steel Sheet Mechanical Properties

Element Weathering Steel B Weathering Steel A
Tensile strength Rm MPa 485 485
Minimum yield point ReH Mpa *) 345 345
Minimum elongation A (Lo=5.65 vSo) % 19 20

Weathering Steel Sheet Chemical Properties

 Si % max.  C % max.  Mn % Z%  S % max.  P %  N % max.  Cr % V%  Cu % Ni% Mo%
According to EN 10027-1 & CR 10260
S235J2W 0.40 0.13 0.20-0.60 0.03 0.04 0.40-0.80 0.25-0.55 0.65
S235J0W 0.40 0.13 0.20-0.60 0.04 0.04 0.01 0.40-0.80 0.25-0.55 0.65
S355J2WP 0.75 0.12 1.00 0.03 0.06-0.15 0.30-1.25 0.25-0.55 0.65
S355J0W 0.75 0.12 1.00 0.04 0.06-0.15 0.01 0.30-1.25 0.25-0.55 0.65
S355J2W 0.50 0.16 0.50-1.50 0.15 0.03 0.03 0.40-0.80 0.25-0.55 0.65 0.30
S355J0W 0.50 0.16 0.50-1.50 0.15 0.04 0.04 0.01 0.40-0.80 0.25-0.55 0.65 0.30
S355K2W 0.50 0.16 0.50-1.50 0.15 0.03 0.03 0.40-0.80 0.25-0.55 0.65 0.30
According to ASTM & ASME Specn.
A 588 Gr. B 0.15- 0.50 0.20 0.75-1.35 0.05 0.04 0.40-0.70 0.01- 0.10 0.20-0.40
A 588 Gr. A 0.3- 0.65 0.19 0.80-1.25 0.05 0.04 0.40-0.65 0.02- 0.10 0.25-0.40
A 588 Gr. C 0.15- 0.40 0.15 0.80-1.35 0.05 0.04 0.30-0.50 0.01- 0.10 0.20-0.50
A 242 Type-1 0.15 1.00 0.05 0.15 0.20 min.
A 588 Gr. K 0.25- 0.50 0.17 0.50-1.20 Cb-0.005 -0.05 0.05 0.04 0.40-0.70 0.30-0.50
A 242 Type-2  0.20 1.50 0.05 0.04 0.20 min.
According to IS STD.
IRSM-41 0.30- 0.50 0.10 0.25-0.45 0.03 0.075-0.14 0.35-0.49 0.05 0.30-0.60 0.28- 0.49 0.05

Typical Applications of Weathering Steel Sheet

  1. Architectural Applications: Used for building facades, cladding, and roofing due to its aesthetic, rustic appearance, and durability.
  2. Rail: Ideal for railway wagons and tracks, offering resistance to weathering and low maintenance needs.
  3. Offshore Structures: Perfect for marine environments, providing long-term corrosion resistance against saltwater and humidity.
  4. Bridges: Widely used in bridge construction for its strength, low maintenance, and ability to withstand harsh weather conditions.
  5. Sculptures: Popular for creating decorative and functional outdoor sculptures, thanks to its unique patina and durability.

Weathering steel sheets are versatile and widely used in both structural and decorative applications.

Availability Chart of Weather Resistant Steel Sheet

Dimension 60″ x CTL 72″ x 240″ 60″ x 240″ 96″ x 240″ 96″ x CTL 72″ x CTL
Thickness            
1/4″ ✓ ✓ ✓ ✓ ✓ ✓
3/16″ ✓ ✓ ✓ ✓ ✓ ✓
5/16″ ✓ ✓ ✓ ✓ ✓ ✓
1/2″ ✓ ✓ ✓ ✓ ✓ ✓
3/8″ ✓ ✓ ✓ ✓ ✓ ✓
5/8″       ✓    
7/8″       ✓    
3/4″       ✓    
1″       ✓    
1-1/4″       ✓    
1-1/8″       ✓    
1-3/8″       ✓    
1-3/4″       ✓    
1-1/2″       ✓    
2″       ✓    
>2″ – 5″       ✓  

Why Choose Corten Steel Tube for Weathering Steel Sheets?

  1. Custom Profiling Services: Get weathering steel sheets cut and shaped to your exact specifications for any project.
  2. Extensive Range of Thicknesses: A wide selection of thicknesses ensures suitability for all applications, from facades to industrial use.
  3. Global Shipping: We deliver weathering steel sheets quickly and reliably to locations worldwide.
  4. Major Stockholding: Our large inventory ensures immediate availability for both small and bulk orders.
  5. Variety of Sheet Sizes: Multiple size options to meet diverse project needs with flexibility.
  6. Accurate In-House Cutting: Advanced cutting technology guarantees precision, reducing material waste.
  7. Quick Turnaround: Fast order processing and delivery to keep your projects on schedule.
Choose Corten Steel Tube for premium weathering steel sheets, made to your needs with unmatched quality and service.

Weight Chart of Weathered Steel Sheet

Thickness Weight / Ft.
1/4 10.21 lb
3/16 7.66 lb
1/2 20.42 lb
3/8 15.31 lb
1 40.84 lb
3/4 30.63 lb
1-1/2 61.26 lb

Benefits of Weathering Steel Sheets

  1. Very Low Maintenance: The protective patina eliminates the need for painting or coatings, reducing maintenance costs and efforts.
  2. Extensive Appeal: Offers a unique, rustic appearance that enhances the aesthetics of architectural and decorative projects.
  3. Initial Cost Benefits: Lower initial expenses due to the elimination of additional surface treatments like painting or galvanizing.
  4. Speed of Construction: Easily adaptable for various applications, reducing project timelines and labor requirements.
  5. Long-Lasting Material: Highly durable and resistant to weathering, ensuring a longer lifespan even in harsh environments.
Weathering steel sheets are an ideal choice for projects requiring durability, aesthetics, and cost-effectiveness.

FAQs for Weathering Steel Sheet by Corten Steel Tube

Weathering steel, also known as Corten steel, is a corrosion-resistant steel designed to form a protective rust-like patina when exposed to weather elements. This patina acts as a shield, preventing further corrosion and eliminating the need for additional coatings or paint. At Corten Steel Tube, we supply high-quality weathering steel sheets and plates suitable for various applications like bridges, facades, and sculptures.

Yes, weathering steel and Corten steel refer to the same type of steel. Corten is a brand name for weathering steel, recognized for its unique rust-like patina and corrosion resistance. Corten Steel Tube offers premium-grade Corten steel sheets, coils, and plates, ideal for architectural and industrial uses.

The lifespan of 3mm Corten steel depends on environmental conditions. In normal outdoor settings, it can last 30-50 years or more, thanks to its self-protective patina layer. Proper installation and exposure to weather are crucial for maximizing its durability. At Corten Steel Tube, we ensure our Corten steel products are of the highest quality for long-term performance.

Yes, weather-resistant steel sheets are more expensive than regular carbon steel sheets. This is because they contain specific alloying elements like copper, chromium, nickel, and phosphorus that enhance their corrosion resistance. These elements allow the formation of a protective rust-like patina, which eliminates the need for painting or additional coatings. While the initial cost is higher, the plates are cost-effective in the long run due to their reduced maintenance requirements and extended lifespan.

Weathering steel rusts due to its unique chemical composition, which includes alloying elements that react with weather elements like rain and humidity. This reaction forms a rust-like protective layer, or patina, that prevents further corrosion.

Painting weathering steel is not recommended as it interferes with the formation of this protective layer. The natural patina is a key feature of weathering steel, providing both corrosion resistance and aesthetic appeal, making additional painting unnecessary.

Get in Touch with Our Expert Team

At Corten Steel Tube, we are your trusted supplier of high-quality Corten steel products. With a focus on durability, sustainability, and expert support, we ensure that you get the materials you need, when you need them. Our experienced team is ready to assist you with product selection, customization, and any questions you may have.

Ready to get started? Contact us today for a personalized quote and expert guidance.

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