Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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ASTM A815 WPS32750 Super Duplex 2507 Buttweld Pipe Fittings Equal Tee
ASTM A815 S32750 Tees are high-performance, wrought, solution-annealed, super duplex stainless steel fittings designed for demanding applications where exceptional strength, outstanding resistance to chloride-induced corrosion (pitting, crevice, SCC), and long service life are critical. Strict adherence to manufacturing, welding, and quality control procedures is essential to maintain their properties.
The advantage of Super Duplex S32750-- Corrosion Resistance
Equivalent Grades of ASTM A815 UNS S32205 Super Duplex BW Pipe Fitting
| STANDARD | WERKSTOFF NR. | UNS |
| Super Duplex | DIN 1.4410 | S32750 |
ASTM A815 UNS S32205 Super Duplex BW Pipe Fitting Chemical Composition
| Chemical Element | C | Cr | Mn | Si | P | S | Ni | N | Mo | Cu | Fe |
| % Present | 0.0 - 0.03 | 24.00 - 26.00 | 0.0 - 1.20 | 0.0 - 0.80 | 0.0 - 0.04 | 0.0 - 0.02 | 6.00 - 8.00 | 0.24 - 0.32 | 3.00 - 5.00 | 0.0 - 0.50 | Balance |
ASTM A815 UNS S32205 Super Duplex BW Pipe Fitting Mechanical Properties
| Mechanical Property | Proof Stress | Tensile Strength | Elongation A50 mm | Hardness Brinell |
| Value | 550 Min MPa | 800-965 MPa | 15 Min % | 310 Max HB |
ASTM A815 UNS S32205 Super Duplex BW Pipe Fitting Physical Properties
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| UNS S32750 Pipe Fittings | 7.8 | 0.281 | 1350 | 2460 |
Applications
1. Offshore Oil & Gas (subsea pipelines, manifolds, topsides)
2. Seawater Handling (cooling, desalination, ballast)
3. Chemical & Petrochemical Processing (aggressive chlorides, acids)
4. Pulp & Paper Industry (bleach plants)
5. Flue Gas Desulfurization (FGD)
6. High-pressure/high-corrosion environments
