Thép chịu thời tiết
High durability, low maintenance, weather-resistant, cost-effective.
Introduction to Weathering Steel
Weathering Steel, also known as atmospheric corrosion-resistant steel, includes grades like A588, A242, 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:
- Bảo trì thấp: Forms a stable rust layer, reducing the need for painting or frequent upkeep.
- Hiệu quả về chi phí: Cuts down on maintenance and repainting, saving costs over the structure’s lifespan.
- Chống ăn mòn: Withstands harsh outdoor environments, enhancing durability and structural integrity.
- Enhanced Aesthetic Appeal: Develops a natural patina that blends well in architectural designs.
- Độ bền cao: Provides solid tensile strength suitable for heavy load-bearing applications.
- Thân thiện với môi trường: 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
- Các lớp phổ biến: A588, A242
- Thuận lợi: High tensile strength, excellent corrosion resistance, suitable for structural applications in bridges and buildings.
Structural Weathering Steel
- Các lớp phổ biến: S235J0W, S355J2W
- Thuận lợi: Good weldability, stable patina for reduced maintenance, commonly used in architectural facades and public structures.
Carbon-Manganese Weathering Steel
- Các lớp phổ biến: JIS G3125 SPA-H, SPA-C
- Thuận lợi: 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
- Đĩa: Used in bridges, building facades, and large structural surfaces.
- Tấm trải giường: Ideal for roofing, cladding, and decorative architectural panels.
- Thanh: Commonly used in structural supports, railings, and framework.
- Ống: Suitable for exposed piping systems and structural columns.
- Ống: Applied in outdoor railings, supports, and framework elements.
- Góc: Used in reinforcement for frames, corners, and edges.
- Kênh: Ideal for structural beams, supports, and guiding tracks.
- Dầm: Essential for load-bearing structures like bridges and large buildings.
Ngành công nghiệp & Ứng dụng
Một số ngành công nghiệp và ứng dụng phổ biến bao gồm:
Ngành kiến trúc
Xây dựng cầu
Vận tải
Cơ sở hạ tầng năng lượng
Public Art Installations
Nông nghiệp
Cấu trúc biển
Thiết bị công nghiệp
Weathering Steel Mechanical Properties
Weathering Steel is recognized for its exceptional mechanical properties, making it vital in engineering applications.
| Tính chất cơ học | Weathering Steel (Metric) | Weathering Steel (Imperial) |
|---|---|---|
| Độ bền kéo | 450 - 600 MPa | 65,267 - 87,022 psi |
| Sức chịu lực | 315 - 460 MPa | 45,679 - 66,717 psi |
| Độ cứng Brinell | 130 - 180 HB | 130 - 180 HB |
| Độ cứng Rockwell | 70 - 85 HRB | 70 - 85 HRB |
| Độ cứng Vickers | 130 - 180 HV | 130 - 180 HV |
| Độ giãn dài | 18% - 25% | 18% - 25% |
| Mô đun đàn hồi | 210 GPa | 30.458 kilômét |
Weathering Steel Specifications
| Các loại | Cấp | Thông số kỹ thuật (mm) | Tiêu chuẩn | ||
| Độ dày | Chiều rộng | Chiều dài | |||
| Thép chịu thời tiết | A242 | 6～100 | 900～4800 | 3000～25000 | Tiêu chuẩn ASTM A242/A242M |
| Thép chịu thời tiết | A588 Gr.A/B/C/K | Tiêu chuẩn ASTM A588/A588M | |||
| Thép chịu thời tiết | S235J0W/J2W | 6～150 | EN 10025-5 | ||
Các lớp liên quan
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
Tại SteelPRO Group, bạn nhận được nhiều hơn là thép chất lượng. Với nhiều cơ sở trên khắp cả nước có khả năng cung cấp thép cường độ cao, chúng tôi cũng có thể làm việc với bạn để quản lý hàng tồn kho của bạn, đảm bảo bạn nhận được sản phẩm khi nào và ở đâu bạn cần để duy trì hoạt động sản xuất.
Khám phá các sản phẩm và loại thép có sẵn của chúng tôi
Kiến thức và kinh nghiệm của chúng tôi giúp cung cấp gần 100% sản phẩm thép không gỉ có hàm lượng cacbon cao, hàm lượng cacbon thấp được xử lý và đóng gói chính xác theo thông số kỹ thuật của bạn.
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.
