Super Duplex 2507 Stainless Steel Plate Manufacturer & Supplier
Super duplex 2507 carries 25% chromium, 7% nickel and 4% molybdenum for a PREN above 42. It is the standard answer for hot, high-chloride and sour service where both strength and pitting resistance are critical. Supplied with ASTM A923 intermetallic phase testing on request.
UNS: S32750 | Category: Duplex & Super Duplex Stainless Steel
Size Range
Outer Diameter: Thickness 3 - 80 mm · Width 1000-3000 mm · Length 2000-12000 mm
Wall Thickness: 3 - 80 mm
Chemical Composition (%)
| C | Si | Mn | P | S | Cr | Ni | Mo | N |
|---|---|---|---|---|---|---|---|---|
| 0.030 max | 0.80 max | 1.20 max | 0.035 max | 0.020 max | 24.00-26.00 | 6.00-8.00 | 3.00-5.00 | 0.24-0.32 |
Mechanical Properties
- Yield Strength Rp0.2
- 550 MPa min
- Tensile Strength Rm
- 795-1000 MPa
- Elongation A5
- 15% min
- Hardness
- 310 HB max / 32 HRC max
- Impact KV -46 °C
- 45 J min
- Ferrite content
- 35-55%
Applicable Standards
- ASTM A240 / ASME SA240
- ASTM A923 (intermetallic phase test)
- EN 10088-2
- EN 10028-7
- NACE MR0175 / ISO 15156 (on request)
- EN 10204 3.1 certification
Applications
- Offshore and subsea process equipment
- Seawater cooling systems
- Sour service pressure vessels
- Desalination high pressure equipment
- Firewater and ballast systems
- Cargo tanks for chemical carriers
Industries Served
- Oil & Gas
- Marine & Shipbuilding
- Water & Desalination
- Chemical & Petrochemical
Equivalent Grades
- EN
- 1.4410 / X2CrNiMoN25-7-4
- UNS
- S32750
- Trade
- SAF 2507