Super Duplex 2507 Pipe Fittings, Flange, Round Bar, Fasteners
Precision Metal is a trusted supplier of Duplex and Super Duplex stainless steels, offering high-quality materials such as pipes and tubes, plates, sheets, coils, fittings, flanges, round bars, and fasteners. With a focus on providing materials that combine strength and corrosion resistance, PMI delivers products that meet the stringent requirements of various industries. Our commitment to quality ensures that clients receive durable and reliable duplex and super duplex stainless steel products for a range of applications.
Duplex steel refers to a type of stainless steel that consists of a mixed microstructure of austenite and ferrite phases, typically in a 50-50 ratio. This combination provides duplex stainless steels with unique properties, making them highly desirable in various industries.
Duplex stainless steel is an alloy that combines the properties of both austenitic and ferritic stainless steels. By balancing these two phases, duplex stainless steel offers a unique combination of strength, corrosion resistance, and durability, making it ideal for demanding applications.
Super Duplex Stainless Steel is a highly alloyed, high-performance stainless steel that is a further development of duplex stainless steel. It has an even greater balance of austenite and ferrite phases and offers enhanced strength and corrosion resistance compared to standard duplex grades. Super Duplex stainless steel is designed to perform in extremely aggressive and corrosive environments, particularly those rich in chlorides, and is commonly used in industries such as oil and gas, chemical processing, and marine engineering.
Duplex (UNS S31803/S32205) and Super Duplex (UNS S32750/S32760) stainless steel pipe fittings, ensuring exceptional strength and corrosion resistance in various industrial applications.
Duplex (UNS S31803/S32205) and Super Duplex (UNS S32750/S32760) Socket weld & Threaded fittings, featuring a unique microstructure that combines austenitic and ferritic phases, which enhances strength.
ADuplex (UNS S31803/S32205) and Super Duplex (UNS S32750/S32760) flanges, which are designed to provide superior mechanical properties, enhanced resistance to pitting and crevice corrosion
Duplex (UNS S31803/S32205) and Super Duplex (UNS S32750/S32760) round bars, offering a unique combination of strength and ductility that enhances their performance in demanding environments.
Duplex (UNS S31803/S32205) and Super Duplex (UNS S32750/S32760) pipes and tubes, known for their exceptional strength-to-weight ratio and excellent resistance to pitting and crevice corrosion.
Duplex (UNS S31803/S32205) and Super Duplex (UNS S32750/S32760) plates, sheets, and coils, which are known for their outstanding mechanical properties and corrosion resistance.
Duplex (UNS S31803/S32205) and Super Duplex (UNS S32750/S32760) outlets, designed to provide strong, reliable connections in piping systems while maintaining excellent corrosion resistance.
Duplex (ER2209) and Super Duplex (ER2594) filler wires, which are engineered to provide exceptional corrosion resistance and mechanical strength during welding processes.
Duplex (B8M Class 2) and Super Duplex (B8M Class 2) fasteners, which are known for their high strength and exceptional corrosion resistance.
Product | Duplex (UNS S31803/S32205) | Super Duplex (UNS S32750/S32760) |
---|---|---|
Pipes & Tubes | ASTM A789/A790 (Duplex 2205) | ASTM A789/A790 (Super Duplex 2507) |
Plate, Sheet, Coil | ASTM A240 (Duplex 2205) | ASTM A240 (Super Duplex 2507) |
Filler Wire | ASTM A928 (ER2209 for Duplex) | ASTM A928 (ER2594 for Super Duplex) |
Pipe Fittings | ASTM A815 (Duplex 2205) | ASTM A815 (Super Duplex 2507) |
Flanges | ASTM A182 (F51/F60 for Duplex 2205) | ASTM A182 (F53/F55 for Super Duplex 2507) |
Round Bar | ASTM A479 (Duplex 2205) | ASTM A479 (Super Duplex 2507) |
Fasteners | ASTM A193 (B8M Class 2 for Duplex 2205) | ASTM A193 (B8M Class 2 for Super Duplex 2507) |
Steel Grade | Type | ASTM | EN (DIN) | BS | JIS | GOST |
---|---|---|---|---|---|---|
UNS S31803 | Duplex | A790/A815 | 1.4462 | 32205S31 | SUS329J3L | 08X18H10 |
UNS S32205 | Duplex | A790/A815 | 1.4410 | 32205S31 | SUS329J3L | 08X19H10 |
UNS S32750 | Super Duplex | A790/A815 | 1.4410 | 2507S31 | SUS329J3L | 08X22H6 |
UNS S32760 | Super Duplex | A790/A815 | 1.4501 | 2507S31 | SUS329J4L | 08X23H6 |
Grade | C | Mn | Si | P | S | Cr | Ni | Mo | N | Fe |
---|---|---|---|---|---|---|---|---|---|---|
Duplex (UNS S31803) | ≤ 0.03 | 1.0-2.0 | 0.5-1.0 | ≤ 0.03 | ≤ 0.01 | 18.0-20.0 | 4.5-6.5 | 2.5-3.5 | 0.08-0.2 | Balance |
Duplex (UNS S32205) | ≤ 0.03 | 1.0-2.0 | 0.5-1.0 | ≤ 0.03 | ≤ 0.01 | 22.0-24.0 | 4.5-6.5 | 3.0-4.0 | 0.10-0.20 | Balance |
Super Duplex (UNS S32750) | ≤ 0.03 | 1.0-2.0 | 0.5-1.0 | ≤ 0.03 | ≤ 0.01 | 24.0-26.0 | 6.0-8.0 | 3.5-4.5 | 0.20-0.30 | Balance |
Super Duplex (UNS S32760) | ≤ 0.03 | 1.0-2.0 | 0.5-1.0 | ≤ 0.03 | ≤ 0.01 | 25.0-27.0 | 6.0-8.0 | 4.0-5.0 | 0.20-0.30 | Balance |
Property | Duplex (UNS S31803) | Duplex (UNS S32205) | Super Duplex (UNS S32750) | Super Duplex (UNS S32760) |
---|---|---|---|---|
Tensile Strength (MPa) | ≥ 620 | ≥ 620 | ≥ 750 | ≥ 800 |
Yield Strength (MPa) | ≥ 450 | ≥ 450 | ≥ 550 | ≥ 600 |
**Elongation (%) | ≥ 25 | ≥ 25 | ≥ 25 | ≥ 25 |
Hardness (HB) | ≤ 300 | ≤ 300 | ≤ 300 | ≤ 300 |
Impact Toughness (J) | ≥ 40 (at -40°C) | ≥ 40 (at -40°C) | ≥ 50 (at -40°C) | ≥ 50 (at -40°C) |
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