Stainless Steel 321 Flanges are a popular choice for applications requiring high-temperature resistance, outstanding oxidation resistance, and excellent weldability. Steel & Engineering Co., a trusted manufacturer, stockist, and exporter of Stainless Steel 321 Flanges, provides premium products designed for industries with demanding conditions such as aerospace, chemical processing, power generation, and petrochemical industries. Stainless Steel 321 is stabilized with titanium, which prevents carbide precipitation during welding and provides resistance to intergranular corrosion, making these flanges highly reliable in environments with fluctuating temperatures.
Steel & Engineering Co. is committed to offering top-quality Stainless Steel 321 Flanges that adhere to international standards like ASME, ANSI, and DIN. The company uses advanced manufacturing techniques and high-grade raw materials to ensure precise dimensions, a superior surface finish, and long-lasting performance. Stainless Steel 321 is favored for its exceptional resistance to scaling and oxidation at elevated temperatures, which is a key advantage in applications that involve heat exchangers, reactors, and furnace components. The added titanium ensures that the material remains resistant to corrosion even in environments where stress-relief treatments or welding are required.
As a prominent stockist, Steel & Engineering Co. provides a wide range of Stainless Steel 321 Flanges in various types, including weld neck, slip-on, blind, threaded, and socket weld. Their extensive stock of these flanges in multiple sizes and pressure ratings enables them to serve a diverse range of industries, ensuring that customers have access to the right product for their specific needs. Steel & Engineering Co. prides itself on offering fast delivery, helping to meet tight project deadlines with minimal lead time. Whether a customer requires a small quantity or a bulk order, they can depend on Steel & Engineering Co. to provide timely solutions.
Specification of Stainless Steel 321 Flanges
| Property | Specification |
|---|---|
| Material | Stainless Steel 321 |
| Standard | ASTM A182, ASME B16.5, ASME B16.47, DIN 2573, EN 1092-1 |
| Grade | 321 (also available in 321H for high temperature applications) |
| Chemical Composition | Carbon (max) 0.08%, Chromium 17-19%, Nickel 9-12%, Titanium 5x(C - 0.08)% |
| Tensile Strength | 505 MPa (73,000 psi) |
| Yield Strength | 205 MPa (30,000 psi) |
| Elongation | 40% minimum (in 8 inches) |
| Hardness | Brinell Hardness Number (BHN): 201-241 |
| Temperature Range | -200°C to 900°C (-328°F to 1652°F) |
| Corrosion Resistance | Good resistance to oxidation and corrosion in both atmospheric and chemically aggressive environments |
| Applications | Used in high-temperature applications such as heat exchangers, reactors, etc. |
| Flange Types Available | Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint |
| Pressure Rating | As per ASME B16.5 and B16.47 standards (varies by size and pressure class) |
| Sizes | ½” to 48” (DN15 to DN1200) |
| Finish | Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ) |
| Class Rating | Class 150, 300, 600, 900, 1500, 2500 |
| Manufacturing Process | Forged, Machined, Hot/Cold Rolled, CNC machined |
Steel & Engineering Co. is also a well-established exporter of Stainless Steel 321 Flanges to regions such as Oman, Qatar, Saudi Arabia, the United Arab Emirates, and the United States. The company has built a solid reputation in these markets by providing high-quality products and reliable service to industries across a range of sectors. With a deep understanding of international trade and logistics, Steel & Engineering Co. ensures that all exports meet local regulations and arrive at their destination on time. Their competitive pricing, coupled with the ability to handle complex logistics, makes them the go-to supplier for clients in these regions.
Steel & Engineering Co.'s dedication to quality, customer satisfaction, and global outreach has helped them secure their place as a leading manufacturer, stockist, and exporter of Stainless Steel 321 Flanges. With a focus on providing reliable and high-performance solutions for industries with demanding requirements, the company continues to maintain strong relationships with clients in Oman, Qatar, Saudi Arabia, the UAE, the USA, and beyond. Whether for construction, maintenance, or heavy industrial applications, Steel & Engineering Co. remains the preferred choice for Stainless Steel 321 Flanges globally.
Chemical Composition of Stainless Steel 321 Flanges
| Element | Percentage (%) |
|---|---|
| Chromium (Cr) | 17.00 - 19.00 |
| Nickel (Ni) | 9.00 - 12.00 |
| Titanium (Ti) | 5 x C min. (0.60 - 1.00) |
| Carbon (C) | ≤ 0.08 |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Iron (Fe) | Balance |
Mechanical Properties of Stainless Steel 321 Flanges
| Property | Value |
|---|---|
| Tensile Strength | 515 - 720 MPa (75,000 - 104,000 psi) |
| Yield Strength | 205 MPa (30,000 psi) |
| Elongation | ≥ 40% (in 50 mm / 2 inches) |
| Hardness (Rockwell B) | 85 HRB |
| Modulus of Elasticity | 193 GPa (28,000 ksi) |
| Poisson's Ratio | 0.27 - 0.30 |
| Shear Strength | 290 MPa (42,000 psi) |
| Impact Strength | 150 J (at -196°C) |
| Density | 7.9 g/cm³ |
| Melting Point | 1375 - 1400°C (2500 - 2550°F) |
| Thermal Conductivity | 16.2 W/m·K |
Countries we have exported our products to
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Countries we have exported our products to
Turkey, Thailand, Bulgaria, Serbia, Mexico, Estonia, Trinidad & Tobago,Tunisia, New Zealand, Indonesia, Puerto Rico, Ireland, India, Morocco, Brazil, Lebanon, Hong Kong, Jordan, Ukraine, Switzerland, Czech Republic, Lithuania, Sri Lanka, Greece, Taiwan, Zimbabwe, Algeria, Romania, Mexico, Ghana, Italy, Philippines, Spain, United Kingdom, Finland, Azerbaijan, Japan, Macau, Israel, Saudi Arabia, Kenya, Bhutan, Poland, Poland, Costa Rica, Kuwait, Singapore, Pakistan, France, Colombia, Tibet, Bolivia, Portugal, Iraq, Australia, Kazakhstan, Nepal, Mongolia, Gambia, Malaysia, Chile, Germany, Slovakia, China, Bahrain, Denmark, Angola, Afghanistan, Peru, Austria, Ecuador, Gabon, Croatia, South Africa, Sweden, Chile, Hungary, United Arab Emirates, Argentina, Bangladesh, Oman, Egypt, United States, Belgium, Canada, Namibia, Norway, Qatar, Belarus, Netherlands,manufacturer stockist and exporter of Stainless Steel 321 Flanges in Bengaluru,manufacturer stockist and exporter of Stainless Steel 321 Flanges in Chennai,manufacturer stockist and exporter of Stainless Steel 321 Flanges in Hyderabad,manufacturer stockist and exporter of Stainless Steel 321 Flanges in Gujarat,manufacturer stockist and exporter of Stainless Steel 321 Flanges in Pune