Stainless Steel 321H Forged Fittings

Stainless Steel 321H Forged Fittings

What are stainless steel 321/321H forged fittings?
Stainless steel 321/321H forged fittings are components made from stainless steel grade 321 or its higher carbon version, 321H, using a forging process. These fittings are designed to connect or join pipes, tubes, or other equipment in piping systems.

What is the difference between stainless steel 321 and 321H?
The main difference between stainless steel 321 and 321H lies in their carbon content. Stainless steel 321 contains a lower carbon content, typically around 0.08%, which helps to minimize the formation of harmful carbide precipitation during welding. On the other hand, stainless steel 321H has a higher carbon content, typically between 0.04% and 0.10%. The increased carbon content in 321H provides enhanced high-temperature strength and improved resistance to sensitization.

What are the typical applications of stainless steel 321/321H forged fittings?
The typical applications of stainless steel 321/321H forged fittings include:
1. Petrochemical and chemical processing industries: They are used in various equipment such as heat exchangers, reactors, and storage tanks.
2. Power generation: These fittings find application in power plants, particularly in high-temperature environments.
3. Aerospace industry: Stainless steel 321/321H forged fittings are utilized in aircraft exhaust systems and engine components.
4. Heat treatment equipment: They are suitable for use in annealing boxes, quenching racks, and other high-temperature furnace components.
5. Food processing industry: These fittings can be used in food processing equipment and storage tanks due to their corrosion resistance properties.

321 Stainless Steel Forged Fittings

What are the machining and welding considerations for stainless steel 321/321H forged fittings?
When machining stainless steel 321/321H forged fittings, it is recommended to use rigid tools and appropriate coolant to minimize work hardening. High-speed steel (HSS) or cemented carbide tools can be employed. Welding of these fittings should be carried out using low heat input and a filler metal compatible with the base material, such as AWS E347-15 or ER347. Post-weld heat treatment may be required to obtain optimum properties and minimize residual stresses. Preheating is generally not necessary, but it may be beneficial in certain cases to minimize thermal stresses.

Manufacturing Process Of Stainless Steel 321 Forged Fittings

Specification Of SS 321H Forged Fittings

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
Manufacturing process Forge, Cast, Push, Press, etc.
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Specialized manufacturer of 90 Deg Forged Elbows, 45 Deg Forged Elbow, Tee, Cross, Coupling, End Cap, Union, Bushing, Plug, Barrel Nipple

Stainless Steel 321 Forged Fittings Equivalent Grades

STANDARD WERKSTOFF NR. UNS JIS EN
SS 321 1.4541 S32100 SUS 321 X6CrNiTi18-10
SS 321H 1.4878 S32109 SUS 321H X12CrNiTi18-9

Chemical Composition of SS 321H Forged Fittings

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

Mechanical Properties of SS 321 Forged Fittings

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 %

Types Of Stainless Steel 321 High Pressure Forged Fittings

321 SS 90 Degree Forged Elbow

321 SS 90 Degree Forged Elbow

321H SS 45 Degree Forged Elbow

321H SS 45 Degree Forged Elbow

321 Stainless Steel Full Coupling

321 SS Full Coupling

321 Stainless Steel Half Coupling

321 Stainless Steel Half Coupling

321 Stainless Steel Forged Tee

321 Stainless Steel Forged Tee

321H Stainless Steel Forged Cross

321H Stainless Steel Forged Cross

SS 321 Threaded End Cap

SS 321 Threaded End Cap

321 Stainless Steel Threaded Union

321 Stainless Steel Threaded Union

Stainless Steel 321 Bushing

Stainless Steel 321 Bushing

Stainless Steel 321 Street elbow

Stainless Steel 321 Street elbow

Stainless Steel 321 Plug

Stainless Steel 321 Plug

SS 321 Barrel Nipple

SS 321 Barrel Nipple

Other Types Of Stainless Steel 321 Forged Pipe Fittings

  • 321 Stainless Steel Screwed Fittings
  • ASTM A182 F321 Stainless Steel SW Fittings
  • 321 Stainless Steel Couplings
  • Stainless Steel 321 Forged Fittings
  • 321 Stainless Steel Hex Head Plug
  • SS 321 Scoket weld Elbow
  • 321H Stainless Steel Socket Weld Fittings
  • UNS S32109 Forged Fittings
  • 321 Stainless Steel Threaded Fittings
  • 321 Stainless Steel Hex Head Bushing
  • SS 321 Threaded Fittings
  • Stainless Steel 321 NPT Fittings
  • UNS S32100 Forged Pipe Fittings
  • 1.4878 High Pressure Forged Fittings
  • Stainless Steel 321 Threaded Elbow
  • Stainless Steel 321 1/2 SW Half Coupling
  • SS 321 Threaded Pipe Nipple
  • 321 Stainless Steel Union
  • SS 321 Reducing Coupling
  • SS 321H 3000 LB Socket Weld Fittings
  • 321 SS Class 6000 Socket Weld Fittings
  • Stainless Steel 321 Welding Boss
  • ASTM A182 SS 321 Threaded 45 Deg Elbow
  • Stainless Steel 321 Reducer Insert
  • 321 Stainless Steel Threaded Adapter
  • 1.4541 Forged Equal Cross
  • 321H Stainless Steel Forged Cap
  • ASME B16.11 SS 321H 90 Degree Threaded Elbow
  • ASME SA182 321H Stainless Steel Forged Cap
  • 4 Inch SS 321 NPT Threaded Tee

Ask Free Sample of SS 321 Forged Elbow, Tee, Coupling, Union, Bushing Please Call On   +91 9594327775 Or Mail Us On subhash@sheetalindustries.com

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UNS S32100 Forged Fittings Price, Dimension, Weight

SS 321 Forged Fittings Industrial Application

Oil & Gas Industry

Oil & Gas Industry

Chemical Industry

Chemical Industry

Power Generation Industry

Power Generation Industry

Construction Industry

Construction Industry

Shipbuilding Industry

Shipbuilding Industry

Automotive Industry

Automotive Industry

Food Industry

Food Industry

Textile Industry

Textile Industry

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