Description
Super Duplex 2507 Round Bars / UNS S32750 / SAF2507 / 1.4410 Round Bars
Super Duplex 2507, also identified as UNS S32750 Round Bars. Super Duplex UNS S32750 is a high-alloy duplex stainless steel offering an excellent combination of high strength, corrosion resistance and resistance to chloride-induced corrosion.
Super Duplex 2507 Round Bar is widely used in demanding applications involving seawater, chlorides, chemicals and aggressive process environments. It is commonly specified for the oil and gas, offshore, marine, petrochemical, chemical processing, desalination and power industries.
Textron Steel and Alloys is a supplier and stockist of Super Duplex UNS S32750 / 2507 Round Bars.
SAF2507, is a Alleima owned trademark (Formerly Sandvik Materials Technology) for a 25Cr duplex (ferritic-austenitic) stainless steel. The UNS designation for SAF 2507 is S32750 and the EN steel no. is 1.4410. SAF derives from Sandvik Austenite Ferrite.
Super Duplex 2507 Chemical Composition :
| Element | Minimum (%) | Maximum (%) |
| Chromium (Cr) | 24.00 | 26.00 |
| Nickel (Ni) | 6.00 | 8.00 |
| Molybdenum (Mo) | 3.00 | 5.00 |
| Nitrogen (N) | 0.24 | 0.32 |
| Carbon (C) | – | 0.030 |
| Silicon (Si) | – | 0.80 |
| Manganese (Mn) | – | 1.20 |
| Phosphorus (P) | – | 0.035 |
| Sulfur (S) | – | 0.020 |
| Copper (Cu) | – | 0.50 |
| Iron (Fe) | Balance | |
Standard & Designation :
UNS S32750
EN 1.4410
EN Name X2CrNiMoN25-7-4
ASTM F53
Common Name 2507
ASTM A276, A479, A182, A314 / ASME SA276
NACE MR0175, ISO 15156-3 & NACE MR0103 / ISO 17945-1
Features of Super Duplex UNS S32750 / 1.4410 / 2507 Round Bars :
• High mechanical strength
• Excellent chloride corrosion resistance
• Excellent resistance to pitting and crevice corrosion
• Good resistance to stress corrosion cracking
• Excellent seawater resistance
• High resistance to general corrosion
• Suitable for aggressive industrial environments
Applications of Super Duplex Round Bars :
Super Duplex 2507 Round Bars are commonly used for manufacturing:
• Shafts
• Fasteners
• Valves
• Pumps
• Bushes
• Fittings
• Flanges
• Bolts and studs
• Marine components
• Oil & gas equipment
• Offshore equipment
Super Duplex is widely used in the following sectors:
• Power
• Marine
• Chemical
• Pulp and paper
• Petrochemical
• Water desalinization
• Oil and gas production
