UNS S32304 Seamless Duplex Steel Pipe，UNS S32304 also called Duplex 2304 or 1.4362 is a lean duplex stainless steel with a balanced austenite + ferrite microstructure. It provides higher strength than 304/316 austenitic stainless steels while maintaining good resistance to general corrosion, pitting, and stress corrosion cracking—at a more cost-effective alloying content.As a seamless pipe, it delivers excellent uniformity, pressure resistance, and mechanical integrity.Standards: ASTM A789 / ASTM A790, ASME SA789 / SA790, EN 10216-5Manufacturing Process: Seamless (hot finished / cold drawn)Size Range: ½” to 24” OD (custom sizes on request)Schedules: SCH 10 – SCH XXS
UNS32550 Seamless Super Duplex Steel Pipe , from UNS S32550 are produced via hot extrusion or cold drawing.UNS S32550 is a high-performance super duplex stainless steel known for its exceptional mechanical strength and excellent resistance to corrosion, particularly in aggressive industrial environments. Often referred to by brand names like Ferralium® 255, this alloy's seamless pipes are designed for demanding applications where standard stainless steels would fail.① STANDARD: ASTM A789/ ASTM A790/ ASTM A928/ ...② OD RANGE : 6-720 MM③ THICKNESS RANGE: 1-65 MM
UNS S33207 Seamless Hyper Duplex Steel Pipe designed for exceptional strength, corrosion resistance, and toughness, especially in highly aggressive environments. As a seamless pipe, it offers superior structural integrity and uniform properties across the cross-section.Manufacturing Process: Seamless (hot finished / cold drawn)Standards: ASTM A790 / ASME SA790, NORSOK MDS, ISO, EN equivalentsSize Range: ½” to 24” OD (or custom sizes on request)Schedules: SCH 10 – SCH XXS
S32205 Seamless Duplex Steel Pipe, also known as Duplex 2205, is a nitrogen-enhanced duplex stainless steel that offers a superior combination of high strength and excellent corrosion resistance. Seamless pipes and tubes made from this material are widely used in various demanding industrial applications where standard austenitic stainless steels are inadequate. Its balanced chemical composition and microstructure provide a desirable set of properties that make it a cost-effective solution for many corrosive environments,known for their excellent mechanical strength and durability in demanding environments.① STANDARD: ASTM A789/ ASTM A790/ ASTM A928/ ...② OD RANGE : 6-720 MM③ THICKNESS RANGE: 1-65 MM
UNS S32750 seamless super duplex steel pipe is a high-performance tubing solution engineered for demanding environments where exceptional strength and corrosion resistance are critical. This grade of steel, often referred to by the trade name 2507, boasts a balanced microstructure of austenite and ferrite, providing a superior combination of properties compared to standard duplex or austenitic stainless steels.UNS S32750 seamless super duplex steel pipe is a high-performance tubing solution engineered for demanding environments where exceptional strength and corrosion resistance are critical. This grade of steel, often referred to by the trade name 2507, boasts a balanced microstructure of austenite and ferrite, providing a superior combination of properties compared to standard duplex or austenitic stainless steels.① STANDARD: ASTM A789/ ASTM A790/ ASTM A928/ ...② OD RANGE : 6-720 MM③ THICKNESS RANGE: 1-65 MM
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