فولاذ مقاوم للعوامل الجوية
High durability, low maintenance, weather-resistant, cost-effective.
Introduction to Weathering Steel
Weathering Steel, also known as atmospheric corrosion-resistant steel, includes grades like أ588, أ242, S355J2W, and S235J0W, designed for outdoor use. It forms a protective rust layer, offering strong corrosion resistance and durability, making it ideal for exposed structures.
Weathering Steel has high tensile strength, good weldability, and toughness. Key benefits include reduced painting, lower maintenance costs, and a natural patina over time. Processing methods like hot rolling, controlled cooling, and surface treatments like shot blasting enhance its durability.
Weathering Steel is widely used in construction, bridges, sculptures, rail vehicles, and facades, where corrosion resistance and low upkeep are essential.
Benefits of Weathering Steel
Weathering Steel offers unique benefits, making it a preferred choice for exposed structures and long-term projects. Here’s why it stands out:
- صيانة منخفضة: Forms a stable rust layer, reducing the need for painting or frequent upkeep.
- فعالة من حيث التكلفة: Cuts down on maintenance and repainting, saving costs over the structure’s lifespan.
- مقاومة التآكل: Withstands harsh outdoor environments, enhancing durability and structural integrity.
- Enhanced Aesthetic Appeal: Develops a natural patina that blends well in architectural designs.
- قوة عالية: Provides solid tensile strength suitable for heavy load-bearing applications.
- صديق للبيئة: Less need for paint reduces chemical use, making it a sustainable choice.
- Versatile Application: Used in bridges, buildings, and public sculptures, fitting diverse project needs.
Types of Weathering Steel
Here are the main types of Weathering Steel, with popular grades and their advantages:
High-Strength Low-Alloy (HSLA) Weathering Steel
- الدرجات الشعبية: A588, A242
- المزايا: High tensile strength, excellent corrosion resistance, suitable for structural applications in bridges and buildings.
Structural Weathering Steel
- الدرجات الشعبية: S235J0W, S355J2W
- المزايا: Good weldability, stable patina for reduced maintenance, commonly used in architectural facades and public structures.
Carbon-Manganese Weathering Steel
- الدرجات الشعبية: JIS G3125 SPA-H, SPA-C
- المزايا: Enhanced machinability, high impact resistance, ideal for rail cars and industrial applications needing high toughness.
These types offer flexibility for various applications while providing long-term durability and aesthetic appeal.
Shapes of Weathering Steel
- أطباق: Used in bridges, building facades, and large structural surfaces.
- أوراق: Ideal for roofing, cladding, and decorative architectural panels.
- الحانات: Commonly used in structural supports, railings, and framework.
- الأنابيب: Suitable for exposed piping systems and structural columns.
- أنابيب: Applied in outdoor railings, supports, and framework elements.
- الزوايا: Used in reinforcement for frames, corners, and edges.
- القنوات: Ideal for structural beams, supports, and guiding tracks.
- العوارض: Essential for load-bearing structures like bridges and large buildings.
الصناعات والتطبيقات
تتضمن بعض الصناعات والتطبيقات الشائعة ما يلي:
بنيان
بناء الجسور
مواصلات
البنية التحتية للطاقة
Public Art Installations
زراعة
الهياكل البحرية
المعدات الصناعية
Weathering Steel Mechanical Properties
Weathering Steel is recognized for its exceptional mechanical properties, making it vital in engineering applications.
| الخواص الميكانيكية | Weathering Steel (Metric) | Weathering Steel (Imperial) |
|---|---|---|
| قوة الشد | 450 - 600 MPa | 65,267 - 87,022 psi |
| قوة الخضوع | 315 - 460 MPa | 45,679 - 66,717 psi |
| صلابة برينيل | 130 - 180 HB | 130 - 180 HB |
| صلابة روكويل | 70 - 85 HRB | 70 - 85 HRB |
| صلابة فيكرز | 130 - 180 HV | 130 - 180 HV |
| استطالة | 18% - 25% | 18% - 25% |
| معامل المرونة | 210 جيجاباسكال | 30,458 كيلو بايت في البوصة المربعة |
Weathering Steel Specifications
| أصناف | درجة | المواصفات(مم) | معيار | ||
| سماكة | عرض | طول | |||
| فولاذ مقاوم للعوامل الجوية | أ242 | 6～100 | 900～4800 | 3000～25000 | معايير ASTM A242/A242M |
| فولاذ مقاوم للعوامل الجوية | A588 Gr.A/B/C/K | معايير ASTM A588/A588M | |||
| فولاذ مقاوم للعوامل الجوية | S235J0W/J2W | 6～150 | EN 10025-5 | ||
الدرجات ذات الصلة
Find More Weathering Steel Grades at SteelPRO Group!
A high-strength, low-alloy weathering steel designed for outdoor applications. It forms a protective rust layer that improves with exposure, reducing maintenance needs in structural applications like bridges and facades.
Known for excellent corrosion resistance and durability, A588 is ideal for heavy-duty outdoor structures. It combines strength with weldability, making it a popular choice for bridges, buildings, and industrial frameworks.
A versatile structural steel with moderate strength and good weldability, S235 is suitable for construction and engineering applications. Its weathering properties allow it to withstand outdoor environments with minimal upkeep.
Weathering Steels When & Where You Need It
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اكتشف منتجات ودرجات الفولاذ المتوفرة لدينا
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Can You Provide Bulk Pricing for Large Orders?
Yes, we offer tiered pricing based on order volume. Bulk orders benefit from competitive rates and additional discounts tailored to project requirements.
Is Custom Sizing Available for Weathering Steel Sheets and Plates?
We provide custom dimensions to meet project specifications, including precise cutting, bending, and finishing options.
What Surface Treatments Are Available to Enhance Durability?
Available treatments include shot blasting, primer coating, and anti-rust oiling, all designed to increase corrosion resistance and facilitate further processing.
How Does the Pricing of Weathering Steel Compare to Standard Structural Steel?
Weathering Steel typically has a higher initial cost due to its specialized composition, but it offers long-term savings in maintenance and durability, making it cost-effective over time.
Can Weathering Steel Be Shipped Internationally, and What Are the Packaging Standards?
Yes, we ship globally with secure, weather-resistant packaging that ensures safe transit. Packaging adheres to export standards to protect against corrosion and handling damage.
