Products Description
EN10155 S235J0W steel plate complies with the EN 10155 standard and is renowned for its excellent atmospheric corrosion resistance. Its typical chemical composition is: Carbon ≤ 0.17%, Manganese 1.40–1.60%, Silicon approximately 0.55%, Phosphorus ≤ 0.025%, Sulfur ≤ 0.025%. This ensures the material possesses good toughness and durability in low-temperature and corrosive environments.
With a minimum yield strength of 235 MPa and a minimum tensile strength of 360–510 MPa, this steel plate exhibits impact toughness exceeding 27 J at −20°C. It is ideally suited for storage tanks, liquid transport vessels, and offshore structures in low-temperature seawater environments.
Due to its naturally formed weathering oxide layer, EN10155 S235J0W steel plate exhibits a low average annual corrosion rate (approximately 0.01–0.03 mm/year). It can be used long-term in most outdoor or marine environments without additional coatings, with a service life of 30–50 years.
Key Features
Corrosion Resistance: S235J0W corten steel plate is resistant to atmospheric corrosion, making it ideal for outdoor applications. The steel develops a protective rust layer (patina) when exposed to weather elements, which prevents further corrosion.
Structural Uses: This weathering steel grade is commonly used in riveted, bolted, or welded construction of bridges, buildings, and other structures. Its robustness makes it suitable for demanding engineering projects.
Applications: S235J0W corten plate is perfect for constructing containers and storage tanks that need to endure harsh marine environments. It is also used in the manufacturing of industrial chimneys, freight cars, and other heavy-duty applications.
S235J0W Steel Specifications
Thickness: 3mm–150mm
Width: 30mm–4000mm
Length: 1000mm–12000mm
Standard: ASTM EN10025 JIS GB
S235J0W Steel Sheet Chemical Compositions
| Grades | C | Si | Mn | P | S | Cu | Cr | Ni |
|---|---|---|---|---|---|---|---|---|
| max | max | max | max | max. | max | max | max | |
| S235 J0W | 0.13 | 0.4 | 0.20-1.66 | 0.035 | 0.035 | 0.25-0.55 | 0.40-0.80 | 0.65 |
S235J0W Steel Mechanical Properties
| GradesS235 JOW | Yield StrengthReH[N/mm2]transv.min | TensileStrengthRm[N/mm2]transv | FractureElongation[%]transv. min. | Notch ImpactEnergy1)Ch Vcomplete samplelongitud. min [J] | |||
|---|---|---|---|---|---|---|---|
| e2) ≤ 16 | e2)> 16 | e2)< 3 | e2)≥3 | e2) ≤ 2 | e2) ≤ 2 | ||
| 235 | 225 | 360 to 510 | 360 to 510 | 19/17 | 20/18 | – | |
Advantages
Durability:
S235J0W weathering steel plates naturally form a stable rust protective layer when exposed to atmospheric conditions. With an average annual corrosion rate of approximately 0.01–0.03 mm/year, they can achieve a service life of 30–50 years under most uncoated conditions, significantly extending the lifespan of the steel.
Low Maintenance:
The naturally formed rust protective layer eliminates the need for additional painting or protective coatings, substantially reducing maintenance costs. Compared to ordinary carbon steel (with an annual corrosion rate of approximately 0.1 mm/year or higher), long-term maintenance and replacement expenses can be reduced by approximately 60–80%.
Versatility:
S235J0W weathering steel plates feature a minimum yield strength of 235 MPa and a minimum tensile strength of 360–510 MPa, with impact toughness exceeding 27 J at −20°C. Widely applied in shipbuilding, construction, storage tanks, bridges, and transportation, it meets diverse load-bearing and weathering requirements while delivering both strength and durability.
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