Duplex Stainless Steel pipe/tube
Discover the exceptional performance and reliability of our Duplex Stainless Steel Pipes and Tubes, now available in the UAE. Engineered for optimal strength and corrosion resistance, these high-quality products offer unmatched durability across various industrial sectors.
Whether you are in the oil and gas industry, chemical processing, or construction, our Duplex Stainless Steel Pipes and Tubes are designed to meet your exacting demands with precision and efficiency.
Key Features
- Enhanced Strength and Durability
Duplex stainless steel combines the best properties of austenitic and ferritic stainless steels, offering superior strength and toughness, making it ideal for demanding applications.
- Outstanding Corrosion Resistance
With excellent resistance to stress corrosion cracking, pitting, and crevice corrosion, these pipes and tubes are perfect for harsh environments, including marine and coastal applications.
- Cost Efficiency
The high strength-to-weight ratio of Duplex stainless steel allows for the use of thinner material, reducing overall weight and cost without compromising performance.
- Excellent Weldability and Formability
Duplex stainless steel can be easily welded and formed into complex shapes, enabling versatile usage across different projects.
- Long Lifespan
The durability and corrosion resistance of Duplex stainless steel ensure a long service life, minimizing maintenance and replacement costs.
Specification
| Attribute | Details |
|---|---|
| Material Composition | 22% Chromium, 5-6.5% Nickel, 3-3.5% Molybdenum |
| Yield Strength | 450 MPa (min) |
| Tensile Strength | 620 MPa (min) |
| Elongation | 25% (min) |
| Corrosion Resistance | Excellent, suitable for chloride environments |
| Size Range | OD: 6mm-1200mm, Thickness: 0.5mm-50mm |
| Standards Compliance | ASTM A789, ASTM A790, UNS S31803, S32205 |
| Available Finishes | Annealed, Pickled, Polished, Brushed, Sandblasted |
| Custom Lengths Available | Yes, up to 12 meters |
| Welding Compatibility | Excellent (GTAW, GMAW, SMAW, FCAW) |
| Operating Temperature Range | -50°C to +250°C |
Chemical Composition
| Property | Value |
|---|---|
| Yield Strength | 450 MPa |
| Tensile Strength | 620 MPa |
| Elongation | 25% |
| Hardness (Brinell) | 293 HB |
| Impact Energy (Charpy) | 100 J |
Mechanical Properties
| Element | Composition (%) |
|---|---|
| Chromium | 21-23 |
| Nickel | 4.5-6.5 |
| Molybdenum | 2.5-3.5 |
| Carbon | ≤ 0.03 |
| Nitrogen | 0.14-0.20 |
| Manganese | ≤ 2.0 |
| Phosphorus | ≤ 0.03 |
| Sulfur | ≤ 0.02 |
| Silicon | ≤ 1.0 |
Applications of Duplex Stainless Steel Pipes and Tubes
- Oil & Gas Industry
Utilized in offshore platforms, refineries, and pipelines due to their high resistance to chloride stress corrosion cracking and sulfide stress corrosion.
- Chemical Processing Industry
Ideal for handling corrosive chemicals and high-temperature processes, ensuring longevity and safety.
- Marine Industry
Perfect for shipbuilding, desalination plants, and coastal structures where exposure to saltwater demands robust corrosion resistance.
- Construction Industry
Used in structural components, bridges, and facades due to their aesthetic appeal and structural integrity.
- Pulp & Paper Industry
Effective in environments with high acidity and bleaching processes, providing reliability in processing equipment.
FAQs
Can Duplex Stainless Steel Pipes and Tubes be customized?
Yes, customization options are available, including varying sizes, lengths, finishes, and coating options to suit specific project requirements.
What industries commonly use Duplex Stainless Steel Pipes and Tubes?
These pipes and tubes are widely used in the oil & gas, chemical processing, marine, construction, and pulp & paper industries, thanks to their versatility and durability.
Are there coating options available for Duplex Stainless Steel Pipes and Tubes?
Yes, we offer a variety of coating options, including epoxy, zinc, and polyethylene coatings, to enhance corrosion resistance and provide additional protection in harsh environments.
Do Duplex Stainless Steel Pipes and Tubes comply with international standards?
Absolutely, our Duplex Stainless Steel Pipes and Tubes comply with major international standards such as ASTM A789, ASTM A790, and UNS S31803/S32205, ensuring they meet the highest quality benchmarks.
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