Corten Steel is specially designed to eliminate the need for painting by forming a stable, protective oxide layer on its surface when exposed to weather. This unique property enhances corrosion resistance and ensures long-term durability in outdoor environments.
It is widely used in bridges, railway wagons, industrial structures, and architectural applications due to its strength, durability, and distinctive appearance. The material develops a natural rust-like finish over time, which not only adds to its aesthetic appeal but also protects the steel from further degradation.
Sanjay Sales supplies a wide range of Corten Steel grades that comply with international standards, ensuring reliable performance across structural and architectural applications.
Material Specifications:
Mechanical Properties & Applications:
| Grade | Standard | Equivalent Grades | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | Typical Applications |
|---|---|---|---|---|---|---|
| IRSM 41 | IRSM 41 | ASTM A588 | ≥ 340 | 480 – 630 | ≥ 21 | Railway wagons, containers, bridges |
| Corten A | ASTM A242 | EN S355J2W | ≥ 345 | 480 – 630 | ≥ 20 | Architectural structures, bridges, sculptures |
| Corten B | ASTM A588 | EN S355J0WP | ≥ 345 | 485 – 630 | ≥ 21 | Heavy structural components, railway wagons |
| S355J2W | EN 10025-5 | ASTM A588 / Corten B | ≥ 355 | 470 – 630 | ≥ 20 | Bridges, industrial structures, outdoor buildings |
Chemical Composition:
| Grade | C (%) | Mn (%) | Si (%) | P (%) | S (%) | Cu (%) | Cr (%) | Ni (%) |
|---|---|---|---|---|---|---|---|---|
| IRSM 41 | ≤ 0.10 | 0.80 – 1.25 | 0.25 – 0.75 | ≤ 0.030 | ≤ 0.030 | 0.20 – 0.40 | 0.40 – 0.65 | ≤ 0.40 |
| Corten A | ≤ 0.12 | 0.20 – 0.50 | 0.25 – 0.75 | 0.07 – 0.15 | ≤ 0.030 | 0.25 – 0.55 | 0.50 – 1.25 | ≤ 0.65 |
| Corten B | ≤ 0.19 | 0.80 – 1.25 | 0.30 – 0.65 | ≤ 0.040 | ≤ 0.050 | 0.25 – 0.40 | 0.40 – 0.65 | ≤ 0.40 |
| S355J2W | ≤ 0.16 | ≤ 1.50 | ≤ 0.50 | ≤ 0.035 | ≤ 0.035 | 0.20 – 0.55 | 0.30 – 1.25 | ≤ 0.65 |
Key Features:
- Excellent corrosion resistance due to weathering properties
- Forms protective rust layer, eliminating need for painting
- High strength and durability
- Unique aesthetic appearance
- Suitable for outdoor and structural applications
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