Shanxi Zhongcheng Metal Co., Ltd.
| Payment Terms | T/T，D/P，D/A，Western Union，PayPal |
| Supply Ability | 10000tons |
| Delivery Time | 15-25days |
| Packaging Details | Wooden pallets, wooden crates, woven bags, etc. |
| Country of Origin | MADE IN CHAINA |
| Brand | Baosteel，TISCO |
| Certifications | ISO/EN 10204 Type 3.1 / 3.2 available |
| Grade | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH) |
| MOQ | 100kg |
| Packaging | Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag |
| Supply Capacity | 10000tons |
| Brand Name | Baosteel，TISCO |
| Model Number | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 |
| Certification | EN 10204 Type 3.1 / 3.2 available |
| Place of Origin | MADE IN CHAINA |
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Product Specification
| Payment Terms | T/T，D/P，D/A，Western Union，PayPal | Supply Ability | 10000tons |
| Delivery Time | 15-25days | Packaging Details | Wooden pallets, wooden crates, woven bags, etc. |
| Country of Origin | MADE IN CHAINA | Brand | Baosteel，TISCO |
| Certifications | ISO/EN 10204 Type 3.1 / 3.2 available | Grade | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH) |
| MOQ | 100kg | Packaging | Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag |
| Supply Capacity | 10000tons | Brand Name | Baosteel，TISCO |
| Model Number | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 | Certification | EN 10204 Type 3.1 / 3.2 available |
| Place of Origin | MADE IN CHAINA | ||
| High Light | Super Duplex 2507 Pipe ，2507 Duplex Stainless Steel Tube ，Super Duplex Stainless Steel Tube | ||
This grade is the material of choice for offshore platforms, chemical processing, desalination plants, and oil & gas exploration, where chloride pitting, crevice corrosion, and stress corrosion cracking (SCC) are major concerns.
| Feature | Description |
|---|---|
| Standard | ASTM A789 / A790, ASME SA789 / SA790 |
| Grade | Duplex 2507 |
| Type | Seamless pipe/tube |
| Microstructure | 50% austenite / 50% ferrite |
| Yield Strength | ≥550 MPa (≈ 2× 316L) |
| PREN | ≥42 (excellent pitting resistance) |
| Element | Min % | Max % |
|---|---|---|
| Chromium (Cr) | 24.0 | 26.0 |
| Nickel (Ni) | 6.0 | 8.0 |
| Molybdenum (Mo) | 3.0 | 5.0 |
| Nitrogen (N) | 0.24 | 0.32 |
| Carbon (C) | -- | 0.030 |
| Manganese (Mn) | -- | 1.20 |
| Silicon (Si) | -- | 0.80 |
| Phosphorus (P) | -- | 0.035 |
| Sulfur (S) | -- | 0.020 |
| Copper (Cu) | -- | 0.50 |
| Iron (Fe) | Balance | Balance |
| Property | Value |
|---|---|
| Density | 7.80 g/cm³ (0.282 lb/in³) |
| Melting Range | 1350 - 1400 °C (2460 - 2550 °F) |
| Coefficient of Thermal Expansion | 13.0 μm/m*K (7.2 μin/in*°F) |
| Modulus of Elasticity | 200 kN/mm² (29,000 ksi) |
| Property | Value |
|---|---|
| Tensile Strength, min | 800 MPa (116 ksi) |
| Yield Strength (0.2% offset), min | 550 MPa (80 ksi) |
| Elongation, min | 15% |
| Hardness (Brinell), max | 310 HB |
| Parameter | Range |
|---|---|
| Outer Diameter (OD) | 6.0 mm – 610 mm (1/4" – 24") |
| Wall Thickness (WT) | 0.5 mm – 30 mm (SCH 5S – SCH 160) |
| Length | 6.0 m random length; custom lengths available |
| End Finish | Plain ends, beveled ends, threaded |
OD: 25.4 mm × WT: 2.77 mm × L: 6.0 m
OD: 50.8 mm × WT: 3.05 mm × L: 6.0 m
OD: 88.9 mm × WT: 4.0 mm × L: 6.0 m
OD: 168.3 mm × WT: 5.0 mm × L: 6.0 m
Duplex 2507 seamless pipe is widely specified for extremely corrosive environments:
| Industry | Specific Applications |
|---|---|
| Oil & Gas | Subsea pipelines, flow lines, risers, downhole tubing |
| Offshore Platforms | Firewater systems, hydraulic lines, structural components |
| Chemical Processing | Heat exchangers, pressure vessels, reactors |
| Desalination | High-pressure brine piping, evaporators |
| Pulp & Paper | Bleaching plants, digester vessels |
| Marine Engineering | Seawater cooling systems, propeller shafts |
| Flue Gas Desulfurization (FGD) | Absorber towers, ductwork |
| Corrosion Type | Performance |
|---|---|
| Pitting / Crevice | PREN ≥42 → excellent resistance in chloride-rich environments |
| Stress Corrosion Cracking (SCC) | Resistant to SCC in chloride and H₂S environments (NACE MR0175 compliant) |
| General Corrosion | Superior to 316L and 2205 in acids (sulfuric, formic, acetic) |
| Intergranular | Low carbon content prevents sensitization |
Get a fast, accurate quote for Duplex 2507 pipe tailored to your project requirements.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller
Year Established:
2010
Total Annual:
20000000-50000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
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