Home > Forged Fittings > Stainless Steel 321/321H Forged Fittings
Adam Stainless stands out as a premier manufacturer and supplier of Stainless Steel 321 / 321H Forged Fittings in Canberra, Australia. Renowned for producing durable and high-performance stainless steel components, Adam Stainless focuses on forged fittings that excel in high-temperature and high-pressure settings. These 321/321H forged fittings are extensively utilized in industries that require exceptional resistance to oxidation and thermal fatigue. With cutting-edge forging techniques and rigorous quality control, Adam Stainless guarantees that each fitting adheres to both Australian and international standards. Whether you need standard or custom solutions, their forged fittings promise long-lasting performance, making them a trusted choice for industrial clients throughout Australia.
The Stainless Steel 321 / 321H Forged Fittings from Adam Stainless in Canberra, Australia, are crafted from a blend of 17–19% chromium and 9–12% nickel, with titanium added for stabilization. The 321H variant features a higher carbon content, enhancing its strength at elevated temperatures and improving creep resistance. These forged fittings maintain outstanding mechanical integrity under thermal stress and resist intergranular corrosion, particularly after welding. Their robust composition ensures top-notch performance in oxidizing environments. Adam Stainless meticulously manages the forging and heat-treatment processes to create fittings with consistent chemical composition, strength, and dimensional accuracy for dependable, long-term service.
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)
| 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 |
| 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 % |
Contact us to get a quick quote for your requirement.
The Stainless Steel 321 / 321H Forged Fittings produced by Adam Stainless in Canberra, Australia, are perfectly suited for applications in chemical processing, petroleum refining, aerospace, power generation, and high-temperature piping systems.
These fittings, available in sizes from 1/8″ to 4″, are designed for high-pressure applications with socket weld connections. They offer excellent resistance to oxidation and corrosion due to their high chromium and nickel content. Ideal for elevated temperature environments.
Threaded fittings in 321 stainless steel come in sizes ranging from 1/8″ to 6″. They provide superior resistance to intergranular corrosion, making them suitable for high-temperature and pressure applications. The threaded design ensures a secure, leak-proof connection.
This 45-degree elbow, available from 1/2″ to 4″, is used to change the direction of piping. It maintains high corrosion resistance and strength under elevated temperatures, making it suitable for critical, high-stress applications.
The threaded tee, with sizes from 1/8″ to 6″, allows for branch connections at a 90-degree angle. It is designed for high resistance to heat and corrosive environments, ensuring reliability and durability in demanding conditions.
Available in sizes ranging from 1/8″ to 4″, this half coupling provides a secure connection between two pipes. It is crafted to withstand oxidation and corrosion, making it ideal for high-temperature applications.
The socket weld cross, available from 1/2″ to 4″, connects four pipes at right angles. It features high resistance to thermal and chemical stresses, ensuring long-lasting performance in extreme conditions.
Stainless Steel 321/321H Forged Fittings have wide applications where high corrosion resistance and high temperature strength are essential. They find their applications in heat exchangers, chemical processing equipment, and exhaust manifolds where they can remain stable up to 870°C. These forged fittings are applied in the petrochemical, oil and gas, power generation, and aerospace sectors for seamless application in aggressive media. Their improved resistance to creep along with weldability makes them apt for piping systems, boilers, and superheaters. Apart from this, SS 321/321H fittings are also popular in food processing and pharmaceuticals industries due to their resistance against scaling and keeping purity in the hygienic environment.







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