Super duplex stainless steel round bar/ rod
Our Super Duplex Stainless Steel Round Bars and Rods, designed to deliver superior performance and reliability across various demanding industries in the UAE. These high-strength, corrosion-resistant bars and rods are the ideal choice for projects that require exceptional durability and long-term value.
Engineered from premium-grade Super Duplex stainless steel, these products offer a unique combination of mechanical properties and corrosion resistance, making them the preferred choice for critical applications.
Key Features
- Exceptional Strength and Toughness
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
With outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, our Super Duplex round bars and rods are well-suited for aggressive environments, including chloride and acidic conditions.
- Excellent Weldability
These bars and rods offer excellent weldability, ensuring ease of fabrication and installation in complex assemblies.
- Cost-Effective Solution
The high strength-to-weight ratio of Super Duplex stainless steel allows for the use of thinner, lighter sections, reducing material costs without compromising structural integrity.
- Long Service Life
The combination of high strength, toughness, and corrosion resistance ensures that these round bars and rods offer a long-lasting solution, minimizing maintenance and replacement costs.
Specification
| Specification | Details |
|---|---|
| Material Composition | 25% Chromium, 7% Nickel, 4% Molybdenum, 0.25% Nitrogen |
| Yield Strength | 550 MPa (min) |
| Tensile Strength | 750 MPa (min) |
| Elongation | 20% (min) |
| Corrosion Resistance | Exceptional, especially in chloride environments |
| Size Range | Diameter: 6mm-250mm, Length: Customizable |
| Standards Compliance | ASTM A276, ASTM A479, UNS S32750, S32760 |
| Available Finishes | Bright, Black, Rough Turned, Polished |
| Custom Lengths Available | Yes, up to 6 meters or as required |
| Welding Compatibility | Excellent (GTAW, 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) | 110 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 Round Bars and Rods:
- Oil & Gas Industry
Ideal for use in offshore platforms, subsea systems, and pipelines, where high strength and resistance to seawater corrosion are critical.
- Chemical Processing Industry
Perfect for environments involving harsh chemicals and extreme temperatures, ensuring reliability in reactors, heat exchangers, and storage tanks.
- Marine Engineering
Commonly used in shipbuilding and marine hardware due to their excellent performance in salty, corrosive environments.
- Power Generation
Suitable for applications in power plants, especially in high-pressure and high-temperature environments, such as boilers and turbines.
- Pulp & Paper Industry
Used in equipment that handles acidic or chloride-rich environments, ensuring long-lasting performance in demanding processing conditions.
FAQs
What is the material composition of Super Duplex Stainless Steel?
Super Duplex stainless steel typically consists of 25% Chromium, 7% Nickel, 4% Molybdenum, and 0.25% Nitrogen, along with other trace elements. This composition gives it its high strength and superior corrosion resistance.
Can these round bars and rods be customized?
Yes, we offer customization options, including specific sizes, lengths, and finishes to meet your project’s unique requirements.
Which industries commonly use Super Duplex Stainless Steel Round Bars and Rods?
These bars and rods are widely used in the oil & gas, chemical processing, marine, power generation, and pulp & paper industries due to their exceptional strength and corrosion resistance.
Are there coating options available for Super Duplex Stainless Steel Round Bars and Rods?
While Super Duplex stainless steel itself provides excellent corrosion resistance, additional coatings such as epoxy or zinc can be applied for enhanced protection in extremely harsh conditions.
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