Duplex & Super Duplex Pipes & Tubes Supplier in the US – Nakoda Steel Industry
Nakoda Steel Industry is a premier Duplex & Super Duplex Pipes & Tubes Supplier in the United States, offering high-performance solutions engineered for extreme environments. Our products, compliant with ASTM A790 and ASME SA790 standards, are designed to deliver unmatched strength, corrosion resistance, and cost-efficiency for industries such as oil & gas, chemical processing, marine engineering, and power generation.
Product Range & Key Features
Nakoda Steel Industry provides a comprehensive range of Duplex and Super Duplex Pipes & Tubes tailored for demanding applications:
1. Duplex 31803 & S32205 Pipes & Tubes
- Microstructure: Balanced 50/50 austenitic-ferritic phase for enhanced strength and corrosion resistance.
- Applications: Ideal for chloride-rich environments, offshore platforms, and chemical reactors.
2. Super Duplex S32750 & S32760 Pipes & Tubes
- Enhanced Alloying: Higher chromium (25%), molybdenum (4%), and nickel (7%) content for superior pitting and crevice corrosion resistance.
- Cost-Efficiency: Reduced material thickness without compromising performance, lowering overall project costs.
3. Seamless, Welded, ERW, and EFW Variants
- Seamless Pipes: Perfect for high-pressure systems requiring leak-proof performance.
- Welded/ERW/EFW Tubes: Economical solutions for structural and fluid transport applications.
Grades Offered:
- Duplex 31803 (UNS S31803)
- Duplex S32205 (UNS S32205)
- Super Duplex S32750 (UNS S32750)
- Super Duplex S32760 (UNS S32760)
Technical Specifications
Our Duplex & Super Duplex Pipes & Tubes adhere to stringent global standards:
- Standards: ASTM A790, ASME SA790, API, EN, DIN
- Sizes: ½″ NB to 12″ NB
- Schedules: SCH20, SCH30, SCH40, SCH80, STD
- Forms: Round, Rectangular, Square, Hydraulic
- Ends: Plain, Beveled, Threaded
- Lengths: Single/Double Random, Custom Cut
Applications Across Industries
Nakoda’s Duplex & Super Duplex Pipes & Tubes excel in critical sectors:
- 1. Oil & Gas: Subsea pipelines, risers, and pressure vessels resistant to H₂S and CO₂.
- 2. Chemical Processing: Heat exchangers, reactors, and storage tanks handling acidic media.
- 3. Marine Engineering: Desalination plants, shipbuilding components, and seawater cooling systems.
- 4. Power Generation: High-temperature steam lines and cooling circuits.
Material Advantages
- Corrosion Resistance: Superior performance in chloride and acidic environments compared to standard stainless steels.
- High Strength: Yield and tensile strength exceed conventional austenitic and ferritic grades.
- Cost Savings: Lower alloying costs and reduced material thickness without sacrificing durability.
- Thermal Stability: Maintains integrity in temperatures ranging from -50°C to 300°C.
Quality Assurance & Certifications
Nakoda Steel Industry ensures excellence through rigorous testing and certifications:
- Certifications: EN 10204/3.1B, NACE MR 01075 (for sour service).
- Testing Protocols:
- Mechanical: Tensile strength, hardness, flattening, and flaring tests.
- Chemical : Spectro analysis and PMI (Positive Material Identification).
- Corrosion Resistance: Pitting, intergranular corrosion (IGC), and radiography testing.
- Third-Party Inspections: SGS, TÜV, and API audits.
Why Choose Nakoda Steel Industry?
- 1. US-Based Manufacturing & Logistics: Rapid delivery and local inventory to minimize lead times.
- 2. Custom Solutions: Tailored dimensions, schedules, and finishes to meet project specifications.
- 3. Competitive Pricing: High-quality products at cost-effective rates due to optimized material use.
- 4. Technical Expertise: Decades of experience in advanced alloy fabrication and testing.
Sustainability & Cost Efficiency
- Reduced Waste: Thinner materials lower raw material consumption.
- Longevity: Resists degradation, reducing replacement frequency.
- Recyclability: Supports eco-friendly industrial practices.
Partner with a Trusted US Supplier
As a leading Duplex & Super Duplex Pipes & Tubes Supplier in the US, Nakoda Steel Industry combines cutting-edge technology with unwavering quality standards. Whether you need Super Duplex S32760 Tubes for marine applications or Duplex S32205 Pipes for chemical plants, we deliver precision-engineered solutions that exceed expectations.