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ASTM A815 WP-S S32750 Cap Super Duplex Butt Weld Fittings B16.9 Heat exchangers
Overwiew
Super Duplex 2507 (Uns S32750) tubing is designed to handle highly
corrosive conditions and situations where high strength is
required. The high molybdenum, chromium and nitrogen content in
Super Duplex 2507 helps the material resist pitting and crevice
corrosion. The material is also resistant to chloride stress
corrosion cracking, erosion corrosion, corrosion fatigue and
general corrosion by acids. This alloy has good weldability and
very high mechanical strength.
Super Duplex Uns S32750 fittings are widely used in power,
marine, chemical, pulp and paper, petrochemical, water
desalination, and oil and gas production.
Chemical Composition of ASTM A815 WP-S S32750 Cap
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S32750 | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 | 58.095 min |
| S32760 | 0.05 max | 1.00 max | 1.00 max | 0.030 max | 0.010 max | 24.00 – 26.00 | 3.00 – 4.00 | 6.00 – 8.00 | 0.20 – 0.30 | 57.61 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 116000 , MPa – 800 | Psi – 80000 , MPa – 550 | 15 % |
| STANDARD | WERKSTOFF NR. | UNS |
| Super Duplex 2507 | 1.4410 | S32750 / S32760 |
Application
petrochemical
Pharmaceutical industry
Food industry
Aviation and aerospace industry
Architectural decoration industry etc
