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Buttweld Fittings ASTM A815 UNS S31803 Duplex Stainless Steel Reducing Tee ASME B16.9
ASTM A815 UNS S31803 Duplex Stainless Steel Reducing Tee is a type of pipe fittings used in piping systems to connect three pipes of different sizes. It is made from duplex stainless steel, which is a corrosion-resistant and high-strength material suitable for use in various industries such as oil and gas, chemical processing, and marine applications. The ASTM A815 standard specifies the requirements for seamless and welded duplex stainless steel fittings, including reducing tees, to ensure they meet the necessary mechanical and chemical properties for use in demanding environments. UNS S31803 is a common grade of duplex stainless steel known for its excellent resistance to corrosion, high strength, and good weldability. Duplex steel reducing tees are typically used in piping systems where a reduction in pipe size is required to accommodate different flow rates or to connect pipes of different diameters. They are available in various sizes, schedules, and configurations to meet specific project requirements. ASTM A815 UNS S31803 Duplex Stainless Steel Reducing Tee is a reliable and durable fitting that offers superior performance in challenging environments, making it a preferred choice for many industrial applications. YUHONG GROUP is professional for Duplex and Suoer Duplex pipes / tubes / fittings / flanges for many projects. Every year we export around 4M usd of duplex and super duplex fittings and flanges for more than 30 countries. We are manufaturer and exporter of steel products and we offer ASTM A815 UNS S31803 Duplex Stainless Steel Fittings, like Reducing Tees, Equal Tees, etc. with high quality for many years.
| Butt Weld Fittings | Long & Short Radius Elbows |
| Long & Short Radius Return Elbow | |
| Concentric & Eccentric Tees | |
| Equal & Reducing Tees | |
| Stub Ends | |
| End Caps |
| High Pressure Fittings | 150# 300# 6000# 9000# | Socket weld Fittings Threaded Fittings | Elbows |
| Tees | |||
| Couplings | |||
| End Caps | |||
| Concentric & Eccentric SwageNipples |
Stainless Steel Pipe Fittings and Flanges:
| ASTM A182/A182M | Forged or rolled alloy steel pipe flanges, forged fittings and valves and parts for high temperature service. |
| ASTM A403/A403M | Wrought austenitic stainless steel piping fittings. |
| ASTM A815/A815M | Wrought ferritic, ferritic/austenitic and martensitic stainless steel piping fittings. |
| AS 2129 | Flanges for pipes, valves and fittings |
| ANSI/ASME B1.20.1 | Pipe threads, general purpose (inch). |
| ANSI B16.5 | Steel pipe flanges and flanged fittings. |
| ANSI B16.9 | Factory-made wrought steel butt-welding fittings. |
| ANSI B16.11 | Forged steel fittings socket-welding and threaded. |
| ANSI B16.25 | Butt-welding ends. |
| MSS SP43 | Wrought stainless steel butt-welding fittings. |
| BS21 | Threading. |
| ISO 4144 | Stainless steel fittings threaded to ISO 7-1. |
MSS SP-43: Wrought Stainless Steel Butt Welding Fittings
BS 1640: Steel Butt Welding Pipe Fittings for petroleum Industry
part 1-Wrought Carbon and ferritie Alloy Steel Fittings
BS 1965: Butt Welding Pipe Fittings for pressure purpose part
1-Carbon Steel & Austenitic Stainless Steel
ASTM B366 - 10a Standard Specification for Factory-Made Wrought Nickel and Nickel Alloy Fittings
ASTM A403: Wrough Autenitic Stainless Steel Pipe Fittings
ASTM A815: Wrough Ferritic, Ferritic/Autenitic and martensitic
Stainless Steel Pipe Fittings
IPS-M-PI-150: Standard for Flanges and Fittings
Materials
Austenitic Stainless steel
ASTM A403 WP304, 304L, 304H, 310S, 316, 316L, 316H, 321, 321H, 347,
347H, 317, 317L
ASTM A182 F304, F304L, F304H, F310S, F316, F316L, F316H, F321,
F321H, F347, F347H, F348
Ferritic Steel
ASTM 815 WP27-33-429-430-430TI-446 (Duplex)
Duplex 2205, Duplex SAF 2205, Duplex SAF2205, Duplex UNS S31803,
Din 1.4462 EN 10088 F51
Duplex SAF2205 SANMAC, URANUS 45N, PREN=33, PREN=34, PREN=35,
PREN=36 DIN 1.4462
Duplex-2205 UNS S31803 / UNS S32205 DIN-1.4462 EN 10088-3 PREN =
33, PREN = 34, PREN = 35
Applications:
Water Treatment
Seawater Desalination
Chemical Industry
Marine Systems
Shipbuilding Equipment
Petrochemical Industry
Offshore Drilling
Oil And Gas Plant
Power Generation
Petroleum Industry
Furnace
Heater
Cemet Plant
Sugar Plant
Beer Plant
