Product Description
Acid-Resistant Weathering Steel, also known as acid-resistant steel or sulfuric acid dew point corrosion-resistant steel, is a special type of low-alloy structural steel enhanced with appropriate alloying elements such as Cu, Cr, Ni, and Sb.
We have Q315NS, Q355NS and 09CrCuSb etc. Corten Plate, which is widely recognized for its excellent performance against sulfuric acid dew point corrosion.
These additions significantly improve the steel's corrosion resistance in acidic environments.
Chemical Properties
|
Grade |
Chemical Properties / % |
|||||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Cu |
Ni |
Ti |
Sb |
|
|
09CrCuSb |
≤0.1 |
≤0.40 |
0.4-1.0 |
≤0.025 |
≤0.015 |
0.5-1.0 |
0.2-0.5 |
0.1-0.3 |
0.01-0.04 |
0.04-0.15 |
|
Q315NS / G440NS |
≤0.15 |
≤0.55 |
≤1.2 |
≤0.035 |
≤0.035 |
0.3-1.20 |
0.2-0.5 |
- |
- |
≤0.015 |
|
Q355NS / AG470NS |
≤0.15 |
≤0.55 |
≤1.2 |
≤0.035 |
≤0.035 |
0.3-1.20 |
0.2-0.5 |
- |
- |
≤0.015 |
Product Advantages
Corrosion Resistant: Specially designed to resist sulfuric acid dew point corrosion, ideal for chimneys, flue gas systems, and heat exchangers.
Low Maintenance: Naturally forms a protective rust layer - no painting required, reducing long-term maintenance costs.
Strong & Durable: Offers high strength and good formability, suitable for welding, cutting, and forming.
Long Service Life: Extended lifespan in harsh acidic environments compared to standard carbon steel.
Eco-Friendly: Paint-free and low maintenance, making it a sustainable choice for industrial use.
Prodcut Detail
About Us
Gnee Corten Steel is a professional manufacturer specializing in weathering steel materials and fabricated components since 2008.
With over 200 employees across production, procurement, operations, sales, and management teams, the company operates a manufacturing facility covering more than 35,000 square meters. Gnee's steel products have been exported to over 200 countries and regions worldwide, and are widely used in construction, bridges, ships, and vehicles.
If you would like to learn more about seawater corrosion resistant hot-rolled weathering steel, please feel free to contact us at [email address].
Product Example
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