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Super Duplex Steel 2507 (UNS S32750) Angle Channel is a premium duplex stainless steel product designed to deliver exceptional performance in the most aggressive environments. It combines excellent mechanical strength with outstanding resistance to pitting, crevice, and general corrosion. With a balanced microstructure of austenite and ferrite, it ensures enhanced toughness and superior load-bearing capacity. This makes it a preferred choice for structural applications in chemical, marine, and offshore industries where strength and corrosion resistance are crucial for long-term reliability.
The Super Duplex 2507 Angle Channel offers twice the strength of conventional austenitic stainless steels such as 316L and 904L, reducing weight and material costs in fabrication. Its high chromium, molybdenum, and nitrogen content provide resistance to chloride-induced corrosion and stress cracking. The product is available in a wide range of sizes and thicknesses, ensuring flexibility for various engineering requirements. Whether used in pressure vessels, marine frameworks, or desalination plants, this alloy provides an unmatched combination of performance and economy.
The 2507 Angle Channel is widely used in industries that require excellent durability under high pressure and temperature conditions. Its superior mechanical properties ensure reduced risk of deformation and fatigue failure. The alloy’s low thermal expansion rate and high thermal conductivity make it suitable for high-temperature operations. Engineers prefer this material for offshore oil platforms, heat exchangers, and structural supports exposed to seawater or chemical process streams. Each channel is produced under strict quality control to meet international standards like ASTM A276 and ASME SA276.
Super Duplex Steel 2507 (UNS S32750) exhibits superior resistance to corrosion in both oxidizing and reducing media. Its microstructure offers high resistance to stress corrosion cracking, a common issue in standard stainless steels. The alloy’s high PREN (Pitting Resistance Equivalent Number) ensures exceptional protection against localized corrosion. It performs efficiently in environments containing chlorides and hydrogen sulfide. Due to its durability, the material reduces maintenance costs and downtime, enhancing productivity in critical plant operations.
Fabrication and welding of Super Duplex 2507 require controlled heat input and proper filler metals to maintain the duplex balance. It can be readily machined, formed, and welded using conventional techniques, provided temperature and cooling rates are properly managed. The channels can be supplied in solution-annealed and pickled condition to ensure optimal corrosion resistance. With the right fabrication practices, 2507 maintains its superior strength, ductility, and corrosion resistance even after welding or forming operations, ensuring long-term service performance.
The mechanical strength of 2507 channels makes them ideal for high-load structural and industrial applications. These include chemical storage tanks, seawater equipment, flue gas scrubbers, and pulp and paper processing systems. Its excellent fatigue strength allows it to withstand cyclic loads and harsh working conditions. The channels are precision-finished for consistent dimensions and can be customized according to customer specifications. Mill test certificates and third-party inspection reports are available for complete traceability and compliance.
Super Duplex Steel 2507 (UNS S32750) Angle Channel is the perfect solution for applications demanding high strength, exceptional corrosion resistance, and superior weldability. It helps reduce structural weight, increases equipment lifespan, and minimizes downtime in critical operations. With its robust composition and balanced microstructure, it remains one of the most reliable materials for offshore, marine, and industrial environments. For specific project requirements, the angle channels can be provided in various surface finishes, dimensions, and standards to match exact engineering needs.
Specification Table
| Specification | Details |
|---|---|
| Grade | Super Duplex Steel 2507 |
| UNS Number | S32750 |
| EN Designation | 1.4410 |
| Standards | ASTM A276, ASTM A479, ASME SA276, ASME SA479 |
| Form | Angle, Channel, Flat Bar, Round Bar |
| Size Range | 25 mm × 25 mm to 200 mm × 200 mm (Legs) | Thickness: 3 mm to 20 mm |
| Length | 3000 mm, 6000 mm, or custom cut lengths as per requirement |
| Finish | Hot Rolled, Cold Drawn, Bright, Polished, Pickled |
| Condition | Solution Annealed and Descaled |
| Manufacturing Process | Hot Rolled / Cold Worked |
| Certification | EN 10204 3.1 / 3.2, NACE MR0175 / MR0103, ISO, PED |
| Applications | Marine, Chemical Processing, Desalination Plants, Offshore Platforms, Heat Exchangers |
Chemical Composition (Typical ranges for SSIS)
Note: Values are typical ranges. Final composition will be confirmed on MTC provided per lot.
| Element | Percentage (%) |
|---|---|
| Chromium (Cr) | 24.0 – 26.0 |
| Nickel (Ni) | 6.0 – 8.0 |
| Molybdenum (Mo) | 3.0 – 5.0 |
| Nitrogen (N) | 0.24 – 0.32 |
| Manganese (Mn) | ≤ 1.20 |
| Silicon (Si) | ≤ 0.80 |
| Carbon (C) | ≤ 0.030 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.020 |
| Iron (Fe) | Balance |
Mechanical Properties (Typical)
| Property | Metric | Imperial |
|---|---|---|
| Tensile Strength | 795 MPa (min) | 115,000 psi (min) |
| Yield Strength (0.2% Offset) | 550 MPa (min) | 80,000 psi (min) |
| Elongation | 25% (min) | 25% (min) |
| Hardness (Brinell) | ≤ 310 HB | ≤ 310 HB |
| Impact Energy (Charpy V-Notch) | ≥ 45 J at –46°C | ≥ 33 ft-lb at –50°F |
| Modulus of Elasticity | 200 GPa | 29,000 ksi |
| Density | 7.8 g/cm³ | 0.282 lb/in³ |
| Melting Range | 1350 – 1450°C | 2460 – 2640°F |
Equivalent Grades
| Standard | Grade | Description |
|---|---|---|
| UNS | S32750 | Unified Numbering System designation for Super Duplex 2507 |
| EN / DIN | 1.4410 | European grade designation for Super Duplex Stainless Steel |
| ASTM / ASME | ASTM A182 F53 / ASTM A276 Type 2507 | Standard specification for forged and rolled products |
| AFNOR | Z3CN25.06Az | French equivalent grade for Duplex 2507 |
| BS | 2507 | British Standard designation for Super Duplex Stainless Steel |
| GOST | 08Х25Н6М2Т | Russian equivalent grade for Duplex Stainless Steel |
| JIS | SUS 2507 | Japanese Industrial Standard designation |
Dimension & Weight Chart (Selected common sizes)
Below is a representative chart showing outside diameter, wall thickness, inside diameter, cross-sectional area of metal and calculated weight per metre (kg/m). Values are calculated using density = 7.93 g/cm³ and are for guidance — use actual MTC values for procurement & engineering.
| Size (Leg x Leg x Thickness) mm | Approx. Weight (kg/m) | Approx. Weight (lb/ft) |
|---|---|---|
| 25 x 25 x 3 | 1.12 | 0.75 |
| 30 x 30 x 3 | 1.36 | 0.91 |
| 40 x 40 x 4 | 2.42 | 1.63 |
| 50 x 50 x 5 | 3.77 | 2.53 |
| 65 x 65 x 6 | 6.00 | 4.03 |
| 75 x 75 x 6 | 6.98 | 4.69 |
| 90 x 90 x 8 | 10.60 | 7.12 |
| 100 x 100 x 8 | 11.80 | 7.93 |
| 125 x 125 x 10 | 18.20 | 12.23 |
| 150 x 150 x 12 | 26.20 | 17.59 |
| 200 x 200 x 15 | 45.20 | 30.37 |
Types Of Super Duplex Steel S32750 Angal channel
Stainless Steel Angal & channel
Monel 400 Angal & channel
Inconel 600 Angal & channel
Hastelloy Angal & channel
Super Duplex Angal & channel
Duplex Angal & channel
Nickel Angal & channel
Monel K500 Angal & channel
Frequently Asked Questions (FAQ)
What is Super Duplex Steel 2507 (UNS S32750) Angle Channel?
Super Duplex Steel 2507 (UNS S32750) Angle Channel is a high-performance duplex stainless steel product designed for applications requiring exceptional strength and corrosion resistance. It features a mixed microstructure of austenite and ferrite, providing twice the strength of standard austenitic stainless steels such as 316L and 904L. This makes it ideal for use in marine, offshore, and chemical processing environments.
What are the key benefits of using Super Duplex 2507 Angle Channels?
The key benefits include outstanding resistance to pitting, crevice, and chloride stress corrosion, high tensile and yield strength, and excellent weldability when fabricated with proper procedures. Its high chromium, molybdenum, and nitrogen content ensure long-term durability in harsh conditions, reducing maintenance costs and increasing service life for critical industrial structures.
Where are Super Duplex 2507 Angle Channels commonly used?
These angle channels are widely used in offshore oil and gas platforms, desalination plants, marine structures, chemical process equipment, and heat exchangers. Their excellent mechanical and corrosion-resistant properties make them ideal for industries where reliability and performance are essential, especially in chloride-rich environments.
How does Super Duplex 2507 compare to Duplex 2205?
Super Duplex 2507 offers higher strength and improved corrosion resistance compared to Duplex 2205, especially in aggressive chloride-bearing environments. Its higher chromium and molybdenum content make it more resistant to localized corrosion and stress cracking, making it suitable for more demanding marine and offshore applications.
Is Super Duplex 2507 Angle Channel suitable for welding and fabrication?
Yes, Super Duplex 2507 can be welded using standard stainless steel techniques, provided that heat input and cooling rates are properly controlled. Using suitable filler metals helps maintain the duplex balance and prevents loss of corrosion resistance. It can also be formed, machined, and cut to custom sizes with precision.
Angle Channels Supplier
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