Super Duplex Steel S32750/S32760 Flanges Supplier in the US – Nakoda Steel Industry
Nakoda Steel Industry is a premier Super Duplex Steel S32750/S32760 Flanges Manufacturer and Supplier, delivering high-performance solutions to industries requiring unmatched corrosion resistance and mechanical strength. Our flanges, compliant with ASTM A182 and ASME SA182 standards, are engineered for extreme environments, including marine, oil & gas, and chemical processing sectors. With advanced manufacturing techniques and rigorous quality protocols, we ensure precision, durability, and compliance with global standards like ANSI B16.5, DIN, and EN 1092.
Product Range & Key Features
Nakoda Steel Industry offers a versatile selection of Super Duplex Steel Flanges designed for critical applications:
1. Super Duplex S32750 Slip-On Flanges
- Thermal Performance: Low coefficient of thermal expansion and high heat conductivity (suitable for temperatures up to 300°C).
- Corrosion Resistance: Superior to austenitic steels in chloride-rich environments.
2. Super Duplex S32760 Threaded Flanges
- Marine Applications: Ideal for propellers, shafts, rudders, and valves in shipbuilding.
- Material Strength: Outperforms SS 316L and SS 904L in wet phosphoric acid environments.
3. Super Duplex S32750 Weld Neck Flanges
- Design: Customizable sizes and shapes for high-pressure pipelines.
- Intergranular Corrosion Resistance: Low carbon content prevents chromium carbide precipitation.
4. Super Duplex S32760 Blind Flanges
- Durability: Resistant to pitting and crevice corrosion in aggressive media.
Additional Variants:
- Socket Weld Flanges
- Lap Joint Flanges
- Ring Type Joint Flanges
- Nippolet Flanges
Technical Specifications
Our Super Duplex Flanges meet stringent international standards:
- Grades: S32750 (UNS S32750), S32760 (UNS S32760)
- Standards: ANSI B16.5, ASME B16.47, DIN, EN 1092, BS 4504
- Size Range: ½″ (15 NB) to 24″ (1200 NB)
- Pressure Ratings: 150# to 2500#, PN6 to PN64
- Temperature Range: -50°C to 300°C
Industry Applications
Nakoda’s Super Duplex Flanges are pivotal in high-demand sectors:
- 1. Marine & Shipbuilding: Propellers, shafts, and seals in saltwater environments.
- 2. Chemical Processing: Reactors, pumps, and valves handling phosphoric acid.
- 3. Oil & Gas: Subsea equipment, pipelines, and tankers.
- 4. Power Generation: High-temperature steam systems and cooling circuits.
Engineering Advantages
Material Excellence:
- Austenitic-Ferritic Microstructure: Combines high strength with excellent corrosion resistance.
- Low Carbon Content: Minimizes intergranular corrosion risks.
- Molybdenum & Nitrogen Enriched: Enhances pitting and crevice corrosion resistance.
Challenges Addressed:
- Phase Precipitation Prevention: Controlled alloy composition avoids harmful phase formation during welding.
- Chloride Resistance: Withstands pitting in seawater and chlorinated solutions.
Quality Assurance & Certifications
Nakoda Steel Industry adheres to global quality standards through:
- Certifications: EN 10204/3.1B, NACE MR 01075 (sour service compliance).
- Testing Protocols:
- Mechanical Testing: Tensile strength, hardness, flattening, and flaring.
- Chemical Analysis: Spectrographic testing and PMI (Positive Material Identification).
- Corrosion Resistance: Pitting, intergranular corrosion (IGC), and radiography tests.
- Third-Party Inspections: SGS, TÜV, and API audits.
Why Partner with Nakoda Steel Industry?
- 1. US-Based Manufacturing: Fast logistics and reliable delivery across the United States.
- 2. Custom Solutions: Tailored dimensions, pressure ratings, and surface finishes (RTJ, RF).
- 3. Competitive Pricing: Premium quality at industry-leading rates.
- 4. Technical Expertise: Decades of experience in Super Duplex steel fabrication.
Sustainability Commitment
Our flanges reduce lifecycle costs through:
- Longevity: Minimal maintenance and replacements in harsh conditions.
- Recyclability: Supports eco-friendly industrial practices.
Contact Us
As a trusted Super Duplex Steel S32750/S32760 Flanges Supplier in the US, Nakoda Steel Industry combines innovation with unwavering quality. Whether you need Slip-On Flanges for marine applications or Weld Neck Flanges for chemical plants, we deliver precision, compliance, and unmatched service.