Super duplex stainless steel pipes are high-performance alloys with a dual-phase microstructure of austenite and ferrite, offering exceptional strength, superior corrosion resistance, and excellent performance in harsh environments. They are widely used in offshore, marine, chemical, and desalination industries. Understanding the price range of super duplex stainless steel pipes helps buyers plan procurement efficiently and cost-effectively.
Current Super Duplex Stainless Steel Pipe Price Range (2025)
The table below shows the estimated market price per kilogram based on pipe size and schedule:
Pipe Size | Schedule | Price per Kg (USD) | Common Standards |
---|---|---|---|
1″ – 2″ | Sch 40 | $9.80 – $11.50 | ASTM A790 / ASTM A928 |
3″ – 4″ | Sch 40 | $10.00 – $11.80 | ASTM A790 / ASTM A928 |
6″ – 8″ | Sch 40 | $10.20 – $12.00 | ASTM A790 / ASTM A928 |
10″ – 12″ | Sch 40 | $10.50 – $12.30 | ASTM A790 / ASTM A928 |
Popular Grades of Super Duplex Stainless Steel
The most commonly used super duplex grades include:
- UNS S32750 (2507): High strength, excellent resistance to chloride stress corrosion cracking.
- UNS S32760: Known for outstanding pitting resistance and mechanical performance.
Factors Influencing Super Duplex Pipe Price
The price of super duplex stainless steel pipes depends on multiple factors:
- Raw Material Costs: Nickel, chromium, and molybdenum prices heavily influence the market rate.
- Size and Thickness: Larger diameters and thicker walls increase weight and cost per kg.
- Surface Finish: Pickling, polishing, and passivation add extra costs.
- Origin of Manufacture: Pipes from premium brands or certain countries often carry higher prices.
- Order Quantity: Bulk orders typically result in discounted rates.
Specifications for Super Duplex Stainless Steel Pipes
Typical specifications include:
- Outer Diameter: 6 mm – 610 mm
- Wall Thickness: 0.5 mm – 50 mm
- Length: 6 m, 12 m, or custom sizes
- Standards: ASTM A790, ASTM A928, EN 10216-5
- Surface Finish: Annealed, Pickled, Polished
Applications of Super Duplex Stainless Steel Pipes
These pipes are widely used in demanding environments such as:
- Offshore oil and gas production
- Desalination plants
- Chemical and petrochemical processing
- Marine construction
- Pulp and paper industries
Buying Tips for Super Duplex Stainless Steel Pipes
To ensure quality and value:
- Request mill test certificates (MTC) for chemical and mechanical properties.
- Verify compliance with ASTM and EN standards.
- Compare prices from multiple reputable suppliers.
- Ask for non-destructive testing (NDT) reports for quality assurance.
Frequently Asked Questions
What is the current price of super duplex stainless steel pipe per kg?
In 2025, prices generally range between $9.80/kg and $12.30/kg depending on size, grade, and finish.
Is super duplex stainless steel more expensive than duplex 2205?
Yes, super duplex stainless steel has higher alloy content, better performance, and is typically more expensive than duplex 2205.
Who are the leading suppliers of super duplex stainless steel pipes?
Top suppliers include Sandvik, Outokumpu, Jindal Stainless, Alleima, and several specialized regional distributors.