Super Duplex Steel UNS S32550 Pipe Fittings are designed to provide excellent strength and superior corrosion resistance in aggressive environments. These fittings are available in different types such as elbows, reducers, tees, and caps, making them suitable for various industrial piping systems. Their durability and ability to withstand high pressure and temperature make them highly reliable in chemical, oil, and marine industries.
Super Duplex Steel UNS S32550 Forged Fittings are engineered to deliver outstanding performance in corrosive and high-pressure environments. Available in socket weld and threaded types, these fittings are suitable for applications that require strong mechanical properties. Their excellent resistance to stress corrosion cracking and long service life make them a preferred choice in power generation, marine, and industrial systems.
Super Duplex Steel UNS S32550 Fasteners are manufactured in various forms such as bolts, nuts, washers, and screws to suit different requirements. These fasteners are highly durable, resistant to stress corrosion, and provide a secure hold even in extreme conditions. Their superior mechanical strength makes them ideal for construction, oil refineries, and offshore industries where reliability is crucial.
ASTM A815 S31803 Industrial Buttweld Pipe Specification
Grades : Duplex Steel – UNS NO. S31803
Standards: ASTM / ASME / ANSI Flanges, DIN Flanges, EN Flanges, BS Flanges etc.
Specifications: ASTM / ASME A 815
Dimension: ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Size: 1/2″ NB – 60″NB
Class& LBS: 150#, 300#, 600#, 900#, 1500#, 2500#, DIN ND PN6, PN10, PN16, PN25,PN40and Other Drawing type Etc.
Schedule: Sch. 5 TO Sch. XXS.
Type: Slip On (SORF), WNRF, Blind, Socket Weld, Orifice, WNRTJ, BLRTJ, Threaded, Groove & Tongue, Lap Joint, Square Flanges & As Per Clients Required.
Flanges Face Type: Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ).
OurDuplex S31803 Buttweld Pipe Fittings conforms to NACE MR0175/ISO 15156.
| Standard | WERKSTOFF NR. | UNS | GOST | AFNOR | JIS | BS | EN |
|---|---|---|---|---|---|---|---|
| S32550 | 1.4507 | S32550 | - | - | - | - | - |
| Grade | Ni | Mo | C | Mn | Si | Cr | Cu | P | S | N |
|---|---|---|---|---|---|---|---|---|---|---|
| S32550 | 6.0 - 8.0 | 0.1 - 0.25 | 0.04 max | 1.5 max | 1.0 max | 24.0 - 27.0 | 1.5 max | 0.04 max | 0.03 max | 4.5 - 6.5 |
| Grade | Hardness Rockwell (HRC) Max | Tensile Strength | Yield Strength (0.2% Offset) | Elongation (% in 50mm) |
|---|---|---|---|---|
| S32550 | 32 max. | 760 min. (MPa) | 550 min. (MPa) | 15 % |
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