Corten Steel vs Weathering/S355J2W+N: Decoding The (lack of) Differences 

corten steel

In the world of construction and architectural design, the choice of materials can significantly impact the aesthetics and durability of a project. Among the myriad options available, Corten Steel, a specific brand and specification of Weathering Steel, has emerged as a distinctive and sought-after choice for its unique properties and striking appearance. P&D Northern Steel offers insights into what makes this such a desirable product, and how the real value can be found in its less revered twin, Weathering Steel.

Understanding Corten Steel:

Corten and all weathering steels, are celebrated for their distinctive rust-like appearance and exceptional weather-resistant properties. This type of steel develops a protective layer of rust when exposed to the elements, forming a natural barrier against further corrosion. Beyond its aesthetic appeal, weathering steel’s durability and low-maintenance characteristics make it a popular choice in various applications.

Architectural, Landscaping and Aesthetic Appeal:

One of the prime reasons people choose Corten steel is its striking visual impact, which is similarly seen across all weathering steels. The rusty effect that develops on the surface of the steel creates a warm and earthy appearance, making it favoured among architects and designers seeking to add character to structures. P&D Northern Steel provides a diverse range of weathering steel options across all grades and specifications, allowing for total creative freedom in architectural expressions, whether for façades, sculptures, or landscape features.

Outdoor Structures:

Weathering steel contains elements such as copper, chromium, nickel, and phosphorus, which contribute to its ability to form a protective rust-like patina when exposed to the elements. This patina helps protect the steel from further corrosion and gives it a distinctive appearance and this is why weathering steel is used in many types of construction projects.

When comparing the various grades, it’s important to recognise that they are essentially very similar. The choice between different types of weathering steel may depend on specific alloy compositions, manufacturing processes, or supplier specifications. Always refer to the specific properties and characteristics of the steel alloy in question to determine its suitability for a particular application.

Structural Strength and Longevity:

The fascination with these grades isn’t just about looks; it’s about substance. When structural strength and longevity are paramount, P&D Northern Steel recommends weathering steel. The protective layer that forms on its surface acts as a shield, enhancing its resistance to atmospheric corrosion. This makes weathering steel particularly suitable for bridges, building facades, and other structural components where durability is a must.

Low-Maintenance Excellence:

In an era where ease of maintenance is a significant consideration, our selection of weathering steel shines. Its self-protecting rust layer eliminates the need for costly and time-consuming processes such as blasting and painting, making it an excellent choice for projects where minimising long-term upkeep is a priority. P&D Northern Steel’s range of weathering steel products aligns with the demand for materials that offer both durability and ease of care.

Industrial and Shipping Containers:

These hard-wearing materials like weathering and Corten steel have long been a staple in the construction of industrial structures and shipping containers. Their ability to withstand the rigours of shipping, exposure to varied weather conditions, and resistance to atmospheric corrosion make them a preferred material for containers. 

Weathering Steel from P&D Northern Steel

Choosing weathering steel from P&D Northern Steel is not just a matter of aesthetics; it’s a strategic decision that balances visual appeal with durability and practicality. Whether it’s for architectural statements, outdoor installations, structural or industrial applications, weathering steel proves its mettle in diverse settings. P&D Northern Steel’s commitment to providing a comprehensive range of weathering steel products underscores its dedication to offering materials that stand the test of time, both functionally and visually. When the goal is to infuse resilience, character, and longevity into construction projects, weathering steel from P&D Northern Steel emerges as a natural and reliable choice.

Contact us today

If you are interested in weathering steel, please use the contact form, or give us a call on 01706848811 or email With over 50 years of experience, we also offer a full range of steel products and steel stockholder services to satisfy any requirements you might have. To find out more, please get in touch.

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