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.


Stainless Steel 321 Forged Socket Weld Fittings, ASTM A182 321 Stainless Steel Forged Threaded Elbow Dealer, Distributors of ASME SA182 Stainless Steel 321 Socket weld Tees, SS Grades 321 / 321H Industrial Forged Pipe Fittings Stockists, Stainless Steel 321 Forged Fittings, SS 321 Threaded Fittings, UNS S32109 SS Socket Weld Caps, Stainless Steel 321 Forged Fittings, ASTM A182 321H Stainless Steel Bushing, 321H SS Socket Weld Fittings, Steel 321 Forged Threaded Fittings Suppliers in Mumbai, India.

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.


321 Stainless Steel Socket weld Equal, Unequal, Reducing Tee, Cross Wholesaler, Stainless Steel 321 Equal Tee, UNS S32109 Stainless Steel Threaded / Screwed Union Suppliers, Stainless Steel 321 Forged Elbow, SS 321 Forged Fittings, 321H SS 45°/90° Socket weld Elbow, Class 2000 LBS 321H SS Half Coupling Exporters, 321 Stainless Steel Forged Cross, 321 SS ASME 16.11 Forged Full Coupling, UNS S32100 Austenitic SS High Pressure Forged Socket Weld Fittings.

Stainless Steel 321 / 321H Forged Fittings

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)

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Stainless 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

Other Types of 321 / 321H Stainless Steel Forged Threaded Fittings

  • Stainless Steel 321 Forged Elbow
  • 321H Stainless Steel Forged Socket Weld Tee
  • Stainless Steel 321 / 321H Threaded Cross
  • SS 321 Screwed / Threaded Coupling
  • Stainless Steel 321H Socket Weld Union

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