| Standard: | ASTM A815， ASME SA815 | Product Name: | 90 Degree LR Elbow |
|---|---|---|---|
| Material: | S32750 | Type: | Seamless/Welded |
| Size: | 1/2′ To 48′ | WT: | Sch10s To XXS |
| High Light: | B16.9 90 Degree LR Elbow， S32750 90 Degree LR Elbow， Duplex Steel 90 Degree LR Elbow | ||
Butt Weld Fittings ASTM A815 S32750 Duplex Steel 90 Degree LR Elbow B16.9
Elbow is a type of pipe fitting commonly used in plumbing and piping systems. It allows for a change in the direction of the piping， typically at a 90-degree or 45-degree angle. The use of stainless steel in the construction of the elbow provides durability， corrosion resistance， and the ability to handle high temperatures and pressures. Stainless steel elbows are widely used in various industries， including construction， chemical processing， oil and gas， and food processing.
ASTM A403 WP316L is a grade of stainless steel often used in pipe fittings. ASTM A403 is the standard specification for wrought austenitic stainless steel piping fittings， and WP316L specifically refers to the low carbon version of 316 stainless steel.WP316L stainless steel is known for its corrosion resistance， especially in chloride environments， making it ideal for use in various industries such as chemical， petrochemical， food processing， and pharmaceutical sectors.
ASTM A403 WP316L Stainless Steel Stub Ends are used to allow for easy disassembly of flanges or connections without having to disassemble the entire piping system.Being made of stainless steel grade WP316L， these Stub Ends offer excellent corrosion resistance and durability， making them suitable for use in various demanding environments where resistance to corrosion is crucial.
Chemical Composition:
| C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
| 0.03 max | 1.2 max | 0.8 max | 0.035 max | 0.02 max | 24 – 26 | 3 – 5 | 6 – 8 | 0.5 max |
Mechanical Properties:
| Density | Tensile Strength | Melting Point | Yield Strength，min | Elongation | HBW，max |
| 8 g/cm3 | ksi – 116-140 ， MPa – 800-965 | 1920-2060 °C (1025-1125 °F) | ksi –80 ， MPa – 550 | 15 % | 310 |
Applications:
Oil and Gas Industry:Duplex steel elbows are widely used in offshore platforms， subsea pipelines， oil refineries， and petrochemical plants due to their excellent corrosion resistance in aggressive environments containing chloride ions.
Chemical Processing:Duplex stainless steel elbows are suitable for chemical processing industries where they are exposed to corrosive chemicals and high temperatures. They offer great resistance to various acids， alkalis， and organic compounds.
Desalination Plants:In desalination plants where seawater is converted into freshwater， duplex steel elbows are used to handle the corrosive nature of seawater effectively.
Pulp and Paper Industry:Duplex steel elbows are utilized in pulp and paper mills for handling corrosive liquids and chemicals involved in the manufacturing process.
Water Treatment Plants:Duplex stainless steel elbows are ideal for use in water treatment facilities where resistance to corrosion， erosion， and high-pressure applications is crucial.
Shipbuilding:In marine applications， duplex steel elbows are employed in shipbuilding for piping systems that require high strength， corrosion resistance， and durability in marine environments.
