Home > Forged Fittings > Stainless Steel 321/321H Forged Fittings
Andre Stainless is a well-respected manufacturer and supplier of Stainless Steel 321/321H Forged Fittings based in Pulau Ujong, Singapore. They pride themselves on delivering top-notch products that meet the rigorous standards of various industries. With a strong emphasis on precision engineering and high-performance materials, Andre Stainless offers forged fittings that are perfect for high-temperature and high-pressure applications. Their clientele includes major sectors like oil & gas, petrochemical, power generation, and marine. Renowned for their prompt delivery, consistent quality, and competitive pricing, Andre Stainless has built a solid reputation in Singapore as a reliable partner for Stainless Steel 321/321H Forged Fittings.
These Stainless Steel 321/321H Forged Fittings are primarily made of chromium and nickel, with titanium added to enhance resistance to intergranular corrosion. The 321H grade features a higher carbon content than 321, which boosts its strength at elevated temperatures. These fittings are known for their impressive mechanical properties, including high tensile strength, good yield strength, and excellent creep resistance. They maintain their strength and structural integrity even in oxidizing environments and at high temperatures, adhering to ASTM A182 standards for forged fittings, ensuring dependable performance in critical applications.
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.
At Andre Stainless, each stainless steel 321/321H forged fitting undergoes rigorous testing for excellent quality and performance. Our products are certified to meet international standards, including ISO and ASTM. Tests include material authentication, water testing and non-destructive analysis to ensure durability, reliability and compliance for critical industrial applications around the world.
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 are widely utilized in high-temperature and corrosive settings. They are particularly suited for heat exchangers, chemical processing equipment, furnace components, and exhaust manifolds. In industries like aerospace, petrochemical, and power generation, these fittings provide long-lasting service under extreme heat and pressure. Their resistance to oxidation, scaling, and stress-related corrosion cracking makes them ideal for refinery piping systems and thermal processing units. With their excellent weldability, durability, and ability to retain mechanical properties during thermal cycling, they are a trusted choice for a variety of demanding applications.
©2024 Andre Stainless All Rights Reserved.
