Stainless steel forged fittings are some of the most versatile components used in industrial applications. In particular, stainless steel 321 and 321H forged fittings are the preferred choice for a variety of industries due to their high strength, corrosion resistance, and extreme temperature resistance.
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Stainless Steel 321 Forged Fittings are used in a variety of industries, including petrochemical plants, water treatment facilities, oil refineries, chemical processing plants, power plants, and more. Their superior strength makes them ideal for high-pressure applications, while their corrosion resistance makes them suitable for corrosive environments. Also, Stainless Steel 321H Forged Threaded Fittings can withstand temperatures up to 870 degrees Celsius (1600 Fahrenheit), making them perfect for applications that require extreme temperature resistance. Different types of products are available, such as Alloy Steel A182 F5 Flanges, AISI 4140 Round Bars, etc.
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Stainless Steel 321 / 321H Forged Fittings
Overall, SS 321 Forged Socket Weld Fittings offer superior strength and corrosion resistance with excellent temperature tolerance compared to other types of stainless steel. They’re ideal for high-pressure applications and harsh environments, making them perfect for a wide range of industrial uses such as petrochemical plants and water treatment facilities. Forged fittings are a type of pipe fitting made by hammering or pressing metal under high pressure, creating a strong, seamless joint between two pieces of pipe or tubing.
321H Stainless Steel Forged Fittings are made using this process and are designed to provide a secure and leak-free connection between pipes, valves, and other components in a piping system. Stainless Steel 310S Forged Fittings, Stainless Steel 316H Forged Fittings, and many more grades are also available.
SS 321H Forged Fittings come in two varieties elbows and tees. Elbows have an angle greater than 90° whereas tees have an angle of up to 90°. The fitting is designed to connect two different pipes or tubes in both cases. Both types are available in a variety of sizes ranging from 1/2 inch to 48 inches, depending on the application's needs. Common types of Stainless Steel 321H Forged Fittings include socket weld fittings, threaded fittings, and butt weld fittings, available in various sizes and shapes to accommodate different piping configurations.
What are Stainless Steel 321 Forged Fittings?
Stainless Steel 321 Forged Fittings are high-quality fittings made from stainless steel 321, a titanium-stabilized austenitic stainless steel that offers excellent resistance to high temperatures, corrosion, and oxidation.
What are the advantages of using Stainless Steel 321 Forged Fittings?
Stainless Steel 321 Forged Fittings offer several advantages, including excellent resistance to high temperatures, corrosion, and oxidation. They are highly durable and long-lasting, making them a reliable choice for high-pressure and high-temperature applications.
what are the applications of Stainless Steel 321H Forged Fittings?
Stainless Steel 321H is a high carbon version of Stainless Steel 321, which is a popular austenitic stainless steel alloy. Stainless Steel 321H Forged Fittings, made from this material, offer excellent corrosion resistance, high-temperature strength, and good weldability, making them ideal for a wide range of applications.
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SS 321 / 321H Forged Socket Weld Fittings Specification
Specifications ASTM A182 & ASME SA182
Standard ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799
Size 1/8” NB to 4” NB (Socketweld & Screwed-Threaded)
Class 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS
Type Socketweld Fittings, Screwed-Threaded Fittings
Forged Fittings Items : 45 Deg Elbow, 90 Deg Elbow, Forged Tee, Union, Full Coupling, Half Coupling, Cross, Cap, Swage Nipple, Plug, Bush, Welding Boss, Hexagonal Nipple etc.
Type Socketweld Fittings, Screwed-Threaded Fittings
Grade 321 / 321H UNS (S32100, S32109), DIN (1.4541, 1.4878)
Get QuoteStainless Steel 321 / 321H Forged Fittings Equivalent Indian Standard
STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
ASTM A182 SS 321 / 321H Socket Weld Fittings Chemical Composition
Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 - 19.00 | 0.10 max | 9.00 - 12.00 | 5(C+N) – 0.70 max |
SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 - 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
321 / 321H Stainless Steel ASME SA182 Threaded / Screwed Fittings Mechanical Properties
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Stainless Steel 321 / 321H ASME SA182 Threaded / Screwed Fittings Pressure Rating
Fitting Schedule/Class | Pipe Size - Pipe Fitting | Fitting Connection Type | Pipe Fitting Material | Max. Pressure |
---|---|---|---|---|
Class 150 | 1/2" | FNPT | Stainless Steel 321 | 150 psi |
Class 150 | 1/2" | FNPT | Stainless Steel 321 | 150 psi |
Class 150 | 1/2" | Forged | Forged Stainless Steel 321 | 275 psi |
Class 150 | 1/2" | Welded | Stainless Steel 321 | 150 psi |
Class 150 | 3/4" | FNPT | Stainless Steel 321 | 150 psi |
Class 150 | 3/4" | FNPT | Stainless Steel 321 | 150 psi |
Class 150 | 3/4" | Forged | Forged Stainless Steel 321 | 275 psi |
Class 150 | 3/4" | Welded | Stainless Steel 321 | 150 psi |
Class 150 | 3/4" | Welded | Stainless Steel 321 | 150 psi |
Class 150 | 1" | FNPT | Stainless Steel 321 | 150 psi |
Class 150 | 1" | FNPT | Stainless Steel 321 | 150 psi |
Class 150 | 1" | Forged | Forged Stainless Steel 321 | 275 psi |
Class 150 | 1" | Welded | Stainless Steel 321H | 150 psi |
Class 150 | 1" | Welded | Stainless Steel 321 | 150 psi |
Class 150 | 1-1/4" | FNPT | Stainless Steel 321 | 150 psi |
Class 150 | 1-1/4" | FNPT | Stainless Steel 321 | 150 psi |
Class 150 | 1-1/4" | Forged | Forged Stainless Steel 321 | 275 psi |
Class 150 | 1-1/4" | Welded | Stainless Steel 321H | 150 psi |
Class 150 | 1-1/4" | Welded | Stainless Steel 321H | 150 psi |
Class 150 | 1-1/2" | FNPT | Stainless Steel 321 | 150 psi |
Class 150 | 1-1/2" | FNPT | Stainless Steel 321 | 150 psi |
Class 150 | 1-1/2" | Forged | Forged Stainless Steel 321H | 275 psi |
Class 150 | 1-1/2" | Welded | Stainless Steel 321H | 150 psi |
Class 150 | 1-1/2" | Welded | Stainless Steel 321 | 150 psi |
Class 150 | 2" | FNPT | Stainless Steel 321 | 150 psi |
Class 150 | 2" | FNPT | Stainless Steel 321 | 150 psi |
Class 150 | 2" | Forged | Forged Stainless Steel 321H | 275 psi |
Class 150 | 2" | Welded | Stainless Steel 321 | 150 psi |
Class 150 | 2" | Welded | Stainless Steel 321 | 150 psi |
Class 150 | 2-1/2" | FNPT | Stainless Steel 321 | 150 psi |
Class 150 | 2-1/2" | FNPT | Stainless Steel 321 | 150 psi |
Class 150 | 2-1/2" | Forged | Forged Stainless Steel 321 | 275 psi |
Class 150 | 2-1/2" | Welded | Stainless Steel 321H | 150 psi |
Class 150 | 2-1/2" | Welded | Stainless Steel 321 | 150 psi |
Class 150 | 3" | FNPT | Stainless Steel 321 | 150 psi |
Class 150 | 3" | FNPT | Stainless Steel 321 | 150 psi |
Class 150 | 3" | Forged | Forged Stainless Steel 321H | 275 psi |
Class 150 | 3" | Welded | Stainless Steel 321 | 150 psi |
Class 150 | 4" | FNPT | Stainless Steel 321 | 150 psi |
Class 150 | 4" | FNPT | Stainless Steel 321 | 150 psi |
Class 150 | 4" | Forged | Forged Stainless Steel 321H | 275 psi |
Class 150 | 4" | Welded | Stainless Steel 321 | 150 psi |
Class 150 | 4" | Welded | Stainless Steel 321 | 150 psi |
Class 150 | 6" | FNPT | Stainless Steel 321 | 150 psi |
Class 150 | 6" | FNPT | Stainless Steel 321 | 150 psi |
Class 150 | 6" | Welded | Stainless Steel 321H | 150 psi |
Class 150 | 6" | Welded | Stainless Steel 321 | 150 psi |
Weight Chart of Stainless Steel 321 / 321H ASME SA182 Threaded / Screwed Fittings Pressure Rating
DN-NPT | MAJOR DIAMETER MM |
TAPPING DRILL SIZE MM |
TPI | PITCH MM |
---|---|---|---|---|
1/16″ | 7.895 | 6.00 | 27 | 0.941 |
1/8″ | 10.242 | 8.25 | 27 | 0.941 |
1/4″ | 13.616 | 10.70 | 18 | 1.411 |
3/8″ | 17.055 | 14.10 | 18 | 1.411 |
1/2″ | 21.223 | 17.40 | 14 | 1.814 |
3/4″ | 26.568 | 22.60 | 14 | 1.814 |
1″ | 33.228 | 28.50 | 11.5 | 2.209 |
1¼” | 41.985 | 37.00 | 11.5 | 2.209 |
1½” | 48.054 | 43.50 | 11.5 | 2.209 |
2″ | 60.092 | 55.00 | 11.5 | 2.209 |
2½” | 72.699 | 65.50 | 8 | 3.175 |
3″ | 88.608 | 81.50 | 8 | 3.175 |
3½” | 101.316 | 94.30 | 8 | 3.175 |
4″ | 113.973 | 107.00 | 8 | 3.175 |
5″ | 141.300 | 134.384 | 8 | 3.175 |
6″ | 168.275 | 161.191 | 8 | 3.175 |
8″ | 219.075 | 211.673 | 8 | 3.175 |
10″ | 273.050 | 265.311 | 8 | 3.175 |
12″ | 323.850 | 315.793 | 8 | 3.175 |
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