ASTM A790 S32750 Duplex Steel Seamless Pipe For Condensers And Cooling Systems
Brand Name:YUHONG
Certification:ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015
Model Number:ASTM A790 S32750
Minimum Order Quantity:500KGS
Delivery Time:10-90 Days
Payment Terms:L/C, T/T
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ASTM A790 S32750 Duplex Steel Seamless Pipe
ASTM A790: Standard for seamless ferritic/austenitic (duplex) stainless steel pipe, covering chemical, mechanical and testing requirements. Ensures suitability for corrosive environments and high-pressure applications.
UNS S32750 (Super Duplex 2507) Super duplex stainless steel with a
duplex microstructure (austenite + ferrite) offers increased
strength and corrosion resistance compared to standard duplex
grades such as 2205/S32205.
Superior strength-to-weight ratio compared to austenitic steels. Excellent resistance to chlorides, acids and sour environments (H₂S). Long service life in extreme conditions and reduced maintenance costs.
Chemical Composition of ASTM A790 UNS S32750 Super Duplex Stainless Steel Seamless Pipes
| Elements | C | Cr | Cu | Fe | Mo | Mn | N | Ni | P | S | Si | W |
| Minimum | 24.0 | REMAINDER | 3.00 | 0.24 | 6.00 | 0.20 | 0.50 | |||||
| Maximum | 0.030 | 26 | 0.50 | 5.00 | 1.20 | 0.32 | 8.00 | 0.035 | 0.020 | 0.80 | 1.00 |
Mechanical Properties of ASTM A790 UNS S32750 Super Duplex Stainless Steel Seamless Pipes
| 0.2% Proof Stress (N/mm2 ) [ksi] minimum | 550[79.8] |
| Ultimate Tensile Strength (N/mm2) [ksi] minimum | 800 [116] |
| Elongation (%) minimum | 25 |
| ardness (HBN) | 270 max |
| Reduction of Cross Section Area (%) | 45 |
| Charpy V-notch Impact at ambient Temp (J) [ft.lb] | 80min [59min] |
| Charpy V-notch Impact at -46°C (J) [ft.lb] | 45av, 35min [33av, 25.8min] |
Applications:
Offshore Oil/Gas: Subsea pipelines, risers, and umbilicals (resists seawater + H₂S).
Desalination Plants: Handles high-salinity brine and chlorides.
Chemical Processing: Reactors, heat exchangers, and acid storage.
Power Generation: Condensers and cooling systems.
ASTM A790 S32750 Duplex Steel Seamless Pipe For Condensers And Cooling Systems
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