ASTM A9289 UNS S32750 stainless pipe is a super duplex stainless steel. Compared with ordinary austenitic stainless steel, S32750 duplex stainless steel tubing has higher yield strength and tensile strength, and is suitable for occasions that need to withstand higher pressures and loads.
GNEE offers a wide range of UNS S32750 pipe sizes, usually including different diameters from 1/4" to 16". There are also many choices of pipe wall thickness, such as Sch 5, Sch 5s, Sch 10, Sch 10s, Sch 20, Sch 30, Sch 40s, Sch 40, Sch STD, Sch 60, Sch 80s, Sch 100, Sch 120, Sch XS, Sch XXS, Sch 160, etc. And with different pipe end types such as Beveled End or Plain End.
Products Data
Chemical composition of A928 UNS S32750 super duplex stainless steel pipe
| 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 UNS S32750 Duplex Stainless Steel Pipe
| 0.2% Proof Stress (N/mm2 ) [ksi] minimum | 550[79.8] |
| Ultimate Tensile Strength (N/mm2) [ksi] minimum | 800 [116] |
| Elongation (%) minimum | 25 |
| Hardness (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] |
Products display
ASTM A928 UNS S31803 EFW Pipes

Why Choose GNEE
GNEE has ISO9001-2000 quality management system and ISO14001 environmental protection system. At the same time, it actively develops diversification and has formed a product line mainly based on carbon steel and stainless steel pipes, covering pipes, profiles, plates and other products. It is exported to more than 60 countries and regions including Russia, Canada, India, Brazil, Southeast Asia, etc.
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