Super duplex stainless steel pipe/ tube
Experience the pinnacle of industrial performance with our Super Duplex Stainless Steel Pipes and Tubes, now available across the UAE. Renowned for their superior strength, exceptional corrosion resistance, and long-term durability, these pipes and tubes are engineered to thrive in the most challenging environments.
Whether your project involves oil and gas exploration, chemical processing, or marine engineering, our Super Duplex Stainless Steel products offer the reliability and efficiency you need.
Key Features
- Unrivaled Strength
Super Duplex stainless steel provides nearly twice the strength of standard austenitic and ferritic stainless steels, making it ideal for heavy-duty applications.
- Superior Corrosion Resistance
Enhanced with higher levels of chromium, molybdenum, and nitrogen, our Super Duplex stainless steel offers exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, even in aggressive environments.
- High Durability
The unique microstructure of Super Duplex stainless steel ensures excellent toughness and fatigue resistance, extending the service life of your equipment.
- Efficient Weight Management
The high strength-to-weight ratio allows for the use of thinner materials without sacrificing performance, leading to reduced overall costs.
- Versatile Fabrication
Super Duplex stainless steel can be easily welded and formed, allowing for customized solutions tailored to your specific project needs.
- Cost-Effective Long-Term Investment
With reduced maintenance and replacement costs, Super Duplex stainless steel pipes and tubes offer significant long-term savings.
Specification
| Specification | Details |
|---|---|
| Material Composition | 25% Chromium, 7% Nickel, 3.5% Molybdenum, 0.25% Nitrogen |
| Yield Strength | 550 MPa (min) |
| Tensile Strength | 750 MPa (min) |
| Elongation | 15% (min) |
| Corrosion Resistance | Outstanding, suitable for highly corrosive environments |
| Size Range | OD: 6mm-1200mm, Thickness: 0.5mm-50mm |
| Standards Compliance | ASTM A789, ASTM A790, UNS S32750, S32760 |
| 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 +300°C |
Chemical Composition
| Property | Value |
|---|---|
| Yield Strength | 550 MPa |
| Tensile Strength | 750 MPa |
| Elongation | 20% |
| Hardness (Brinell) | 310 HB |
| Impact Energy (Charpy) | 130 J |
Mechanical Properties
| Element | Composition (%) |
|---|---|
| Chromium | 24-26 |
| Nickel | 6-8 |
| Molybdenum | 3-5 |
| Carbon | ≤ 0.03 |
| Nitrogen | 0.20-0.28 |
| Manganese | ≤ 1.2 |
| Phosphorus | ≤ 0.035 |
| Sulfur | ≤ 0.02 |
| Silicon | ≤ 0.8 |
Applications of Super Duplex Stainless Steel Pipes and Tubes
- Oil & Gas Industry
Ideal for offshore drilling, subsea pipelines, and petrochemical plants due to their resistance to chloride-induced stress corrosion cracking and sour gas environments.
- Chemical Processing Industry
Suitable for handling aggressive chemicals and high-pressure systems, ensuring safe and reliable operation in corrosive conditions.
- Marine Engineering
Perfect for desalination plants, shipbuilding, and coastal infrastructure where exposure to seawater demands top-tier corrosion resistance.
- Power Generation
Used in heat exchangers, condensers, and other critical components where reliability under high temperatures and corrosive conditions is crucial.
- Pharmaceutical and Food Processing
Ensures the integrity and purity of sensitive processes, thanks to its resistance to biofouling and contamination.
FAQs
What is the material composition of Super Duplex Stainless Steel?
Super Duplex stainless steel is typically composed of 25% Chromium, 7% Nickel, 3.5% Molybdenum, and 0.25% Nitrogen. This composition provides its superior strength and exceptional corrosion resistance.
Can Super Duplex Stainless Steel Pipes and Tubes be customized?
Yes, customization options are available. We can tailor the size, length, and finish of the pipes and tubes to meet the specific requirements of your project.
What industries commonly use Super Duplex Stainless Steel Pipes and Tubes?
These pipes and tubes are extensively used in industries such as oil & gas, chemical processing, marine engineering, power generation, and pharmaceutical manufacturing due to their strength, durability, and corrosion resistance.
Are there coating options available for Super Duplex Stainless Steel Pipes and Tubes?
Yes, various coating options like epoxy, polyethylene, and zinc coatings are available to provide additional protection and extend the lifespan of the pipes and tubes in harsh environments.
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