Stainless Steel 321 Pipe Fittings are extensively used in corrosive and high-temperature applications because of their superior thermal stability and resistance to intergranular corrosion. Typical uses include chemical processing equipment, exhaust systems, heat exchangers, refineries, and aerospace parts. These fittings are suitable for systems subject to repeated temperature changes or constant operation at high temperatures. Their resistance to oxidation and durability also qualify them for use in furnace components, pressure vessels, and thermal processing equipment, providing long service life and consistent performance under harsh conditions.
| Specifications | ASTM A403 / ASME SA403 |
| Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
| Size Range | 15 NB UP TO 1200 NB ; 1/8″ NB TO 48″ NB |
| Schedule | SCH 5S , 10S ,10, 20 , 40S , 40 , STD , 60 , 80S , 80 , XS , 100 , 120 , 140 , 160 & XXS. |
| Type | Seamless & 100% X-Ray Welded, Fabricated |
Stainless Steel 321 Pipe Fittings are extensively used in corrosive and high-temperature applications because of their superior thermal stability and resistance to intergranular corrosion. Typical uses include chemical processing equipment, exhaust systems, heat exchangers, refineries, and aerospace parts. These fittings are suitable for systems subject to repeated temperature changes or constant operation at high temperatures. Their resistance to oxidation and durability also qualify them for use in furnace components, pressure vessels, and thermal processing equipment, providing long service life and consistent performance under harsh conditions.
| 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 |
| 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 % |
Yash Fittings one of the largest suppliers of Stainless Steel 321 Pipe Fittings in Mumbai, India. We specialize in providing a wide range of high-quality, durable fittings for various industrial applications. Our inventory includes elbows, tees, reducers, couplings, and other essential fittings designed to offer exceptional corrosion resistance and strength. Stainless Steel 321 is known for its cost-effectiveness and excellent mechanical properties, making it ideal for industries such as construction, chemical processing, and food processing. With a commitment to customer satisfaction, timely delivery, and competitive pricing, we are the trusted choice for Stainless Steel 321 Pipe Fittings in the India.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 321 Pipe Fittings from Yash Fittings offer exceptional corrosion resistance, especially in seawater and harsh environments. They are known for their high strength, durability, and resistance to pitting and crevice corrosion, ensuring long-lasting performance. We provide precise manufacturing, quality control, and reliable service for diverse industrial applications.
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
| Grade | Specific Heat 0-100°C (J/kg.K) | Mean Co-eff of Thermal Expansion (µm/m/°C) | Elastic Modulus (GPa) | Thermal Conductivity (W/m.K) | Density (kg/m3) | Elec Resistivity (nΩ.m) | |||
| 0-315°C | 0-100°C | 0-538°C | At 500°C | At 100°C | |||||
| Stainless Steel 321 | 500 | 17.2 | 16.6 | 18.6 | 193 | 22.2 | 16.1 | 8027 | 720 |
Yes, custom sizes are available for Stainless Steel 321 Pipe Fittings to meet specific requirements. We offer tailored solutions to ensure precise fit and performance for various applications. For more information, please contact us at sales@yashfittings.com
| Nominal Pipe Size | Inch | 3/4 | 1 1/4 | 2 | 3 | 4 | 6 | 10 | 12 | |
|---|---|---|---|---|---|---|---|---|---|---|
| OD. | Inch | 1.05 | 1.66 | 2.375 | 3.5 | 4.5 | 6.625 | 10.75 | 12.75 | |
| Millimeter | 26.7 | 42.2 | 60.3 | 88.9 | 114.3 | 168.3 | 273.1 | 323.9 | ||
| Straight Crosses | Center to End | Inch | 1 7/8 | 2 1/2 | 3 3/8 | 4 1/8 | 5 5/8 | 8 1/2 | 10 | |
| Caps | L. | Inch | 1 | 1 1/2 | 1 1/2 | 2 | 2 1/2 | 3 1/2 | 5 | 6 |
| Stub Ends | Long L. | Inch | 3 | 4 | 6 | 6 | 6 | 8 | 10 | 10 |
| Lap Diameter | Inch | 1 11/16 | 2 1/2 | 3 5/8 | 5 | 6 3/16 | 8 1/2 | 12 3/4 | 15 | |
| Short L. | Inch | 2 | 2 | 2 1/2 | 2 1/2 | 3 | 3 1/2 | 5 | 6 | |
| Straight Tees | Center to End | Inch | 1 1/8 | 1 7/8 | 2 1/2 | 3 3/8 | 4 1/8 | 5 5/8 | 8 1/2 | 10 |
| Nominal Pipe Size | Outside Diameter | 90° Elbows | 45° Elbows | 180° Returns | ||||
|---|---|---|---|---|---|---|---|---|
(inches) | Long Radius | Short Radius | Long Radius | Long Radius | ||||
(mm) | (inches) | Center to Face (inches) | Center to Face (inches) | Center to Face (inches) | Radius (inches) | Center to Center (inches) | Back to face (inches) | |
1/2 | 21.3 | 0.840 | 1 1/2 | – | 5/8 | 2 | 1 7/8 | |
3/4 | 26.7 | 1.050 | 1 1/8 | – | 7/16 | 2 1/4 | 1 11/16 | |
1 | 33.4 | 1.315 | 1 1/2 | 1 | 7/8 | 3 | 2 3/16 | |
1 1/4 | 42.2 | 1.660 | 1 7/8 | 1 1/4 | 1 | 3 3/4 | 2 3/4 | |
1 1/2 | 48.3 | 1.900 | 2 1/4 | 1 1/2 | 1 1/8 | 3 | 4 1/2 | 3 1/4 |
2 | 60.3 | 2.375 | 3 | 2 | 1 3/8 | 4 | 6 | 4 3/16 |
2 1/2 | 73.0 | 2.875 | 3 3/4 | 2 1/2 | 1 3/4 | 5 | 7 1/2 | 5 3/16 |
3 | 88.9 | 3.500 | 4 1/2 | 3 | 2 | 6 | 9 | 6 1/4 |
3 1/2 | 101.6 | 4.000 | 5 1/4 | 3 1/2 | 2 1/4 | 7 | 10 1/2 | 7 1/4 |
4 | 114.3 | 4.500 | 6 | 4 | 2 1/2 | 8 | 12 | 8 1/4 |
5 | 141.3 | 5.563 | 7 1/2 | 5 | 3 1/8 | 10 | 15 | 10 5/16 |
6 | 168.3 | 6.625 | 9 | 6 | 3 3/4 | 12 | 18 | 12 5/16 |
8 | 219.1 | 8.625 | 12 | 8 | 5 | 12 | 24 | 16 5/16 |
10 | 273.1 | 10.750 | 15 | 10 | 6 1/4 | 15 | 30 | 20 3/8 |
12 | 323.9 | 12.750 | 18 | 12 | 7 1/2 | 18 | 36 | 24 3/8 |
Stainless Steel 321 Pipe Fittings are extensively used in corrosive and high-temperature applications because of their superior thermal stability and resistance to intergranular corrosion. Typical uses include chemical processing equipment, exhaust systems, heat exchangers, refineries, and aerospace parts. These fittings are suitable for systems subject to repeated temperature changes or constant operation at high temperatures. Their resistance to oxidation and durability also qualify them for use in furnace components, pressure vessels, and thermalStainless Steel 321 Pipe Fittings are extensively used in corrosive and high-temperature applications because of their superior thermal stability and resistance to intergranular corrosion. Typical uses include chemical processing equipment, exhaust systems, heat exchangers, refineries, and aerospace parts. These fittings are suitable for systems subject to repeated temperature changes or constant operation at high temperatures. Their resistance to oxidation and durability also qualify them for use in furnace components, pressure vessels, and thermal processing equipment, providing long service life and consistent performance under harsh conditions. processing equipment, providing long service life and consistent performance under harsh conditions.
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