| Material | 2507 Duplex Stainless Steel |
| Standard | ASTM A789 / A790 |
| Grade | UNS S32750 |
| OD Size Range | 6mm – 609.6mm |
| Wall Thickness Range | 0.5mm – 50mm |
| Length | Single Random Length (SRL): 5-7 meters
Double Random Length (DRL): 10-14 meters |
| Surface Finish | Annealed and Pickled (AP), Polished, Bright Annealed,
Cold Drawn, Sand Blasting, Hairline, etc. |
| Delivery Condition | Solution Annealed & Pickled (SA & P), Annealed and Pickled,
Bright Annealed, Cold Drawn, or as per customers’ requirements |
| Application | Chemical Process Industries, Heat Exchangers,
Oil and Gas Industry, Desalination Plants, Pulp and Paper Industry, Marine Applications, etc. |
2507 stainless steel pipe is a type of duplex stainless steel tube that contains high levels of chromium, nickel, and molybdenum. It offers excellent resistance to pitting, crevice corrosion, and stress corrosion cracking in chloride-containing environments, making it ideal for use in harsh industrial and marine applications.
2507 stainless steel tube is commonly used in chemical process industries, heat exchangers, desalination plants, oil and gas industry, pulp and paper industry, and marine applications. It is also popular in offshore and subsea equipment, as well as in high-pressure and high-temperature applications.
This type of stainless steel tube is available in various surface finishes such as annealed and pickled, polished, bright annealed, cold drawn, sandblasting, hairline, and more. It can be delivered in different conditions such as solution annealed and pickled, annealed and pickled, bright annealed, cold drawn, or as per customer requirements.
Overall, 2507 stainless steel tube is a versatile and durable material with excellent mechanical properties and corrosion resistance, making it a reliable and cost-effective solution for many applications.
| Property | Specification |
| Material | 2507 Duplex Stainless Steel |
| Standard | ASTM A789 / A790 |
| Grade | UNS S32750 |
| OD Size Range | 6mm – 609.6mm |
| Wall Thickness Range | 0.5mm – 50mm |
| Length | Single Random Length (SRL): 5-7 meters<br>Double Random Length (DRL): 10-14 meters |
| Surface Finish | Annealed and Pickled (AP), Polished, Bright Annealed, Cold Drawn, Sand Blasting, Hairline, etc. |
| Delivery Condition | Solution Annealed & Pickled (SA & P), Annealed and Pickled, Bright Annealed, Cold Drawn, or as per customers’ requirements |
| Application | Chemical Process Industries, Heat Exchangers, Oil and Gas Industry, Desalination Plants, Pulp and Paper Industry, Marine Applications, etc. |
| Chemical Composition | |
| C: | 0.03% max |
| Cr: | 24.0 – 26.0% |
| Ni: | 6.0 – 8.0% |
| Mo: | 3.0 – 5.0% |
| Mn: | 1.20% max. |
| Si: | 0.80% max. |
| P: | 0.035% max. |
| S: | 0.020% max. |
| N: | 0.24 – 0.32% |
| Mechanical Properties | |
| Tensile Strength: | ≥ 800 MPa (116 ksi) |
| Yield Strength: | ≥ 550 MPa (79 ksi) |
| Elongation: | ≥15% |
| Hardness: | ≥310 HB |
| Welding Characteristics | Can be welded using all conventional welding methods, but preheating and post-weld heat treatment are recommended to prevent stress corrosion cracking. |
| Heat Treatment | Solution Annealing at 1020-1100°C, followed by quenching in water or oil. |
| Corrosion Resistance | Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking in chloride-containing environments. Also exhibits good resistance to general corrosion in acidic and alkaline solutions. |
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