Premium-grade stainless steel 321 flat bars are available from George Metals, a reputable manufacturer and supplier with headquarters in Houston, USA, to satisfy the demands of sectors needing corrosion resistance and high-temperature strength. George Metals is renowned for its dedication to accuracy and quality, providing stainless steel solutions that meet international standards. Because titanium stabilises their 321 flat bars, they are perfect for uses that require constant exposure to high temperatures and oxidising conditions. George Metals serves customers in industries including petrochemical, aerospace, heat treatment, and power generation and is known for its dependability, prompt delivery, and affordable prices.
Stainless steel The main constituents of 321 Flat Bars, an austenitic stainless steel stabilised by titanium, are 17–19% Chromium, 9–12% Nickel, and trace amounts of Titanium (at least five times the carbon content) to avoid carbide precipitation. Up to 900°C, the alloy provides exceptional resistance to oxidation and intergranular corrosion. Tensile strength of approximately 515 MPa, yield strength of 205 MPa, and elongation of 40% are examples of mechanical properties. 321 flat bars are appropriate for long-term use in demanding industrial settings because they retain their mechanical integrity when subjected to high temperatures and thermal cycling.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A582, A276, A564, ASTM A484, 484M
Surface : hrap, hot rolled pickled or sand blasting finished, cold drawn, polished, hairline
Range : Range – 3.17mm to 350mm dia
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 321 | 0.08 max. | 17.0 – 19.0 | 2.00 max. | 9.0-12.0 | 0.045 max. | 0.03 max. | 0.75 max |
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 321 | 0.08 max. | 17.0 – 19.0 | 2.00 max. | 9.0-12.0 | 0.045 max. | 0.03 max. | 0.75 max. |
| STANDARD | WERKSTOFF NR. | UNS |
| SS 321 | 1.4541 | S32100 |
Industries that need to withstand high temperatures and intergranular corrosion make extensive use of stainless steel 321 flat bars. Heat exchangers, furnace parts, jet engine parts, exhaust manifolds, expansion joints, and thermal oxidisers are examples of common applications. Additionally, these bars are used in refinery operations, aerospace structures, and chemical processing equipment where prolonged exposure to heat and corrosive environments is typical. 321 is a great option for fabricated components because of the titanium stabilisation, which inhibits sensitisation during welding. In demanding engineering and thermal processing settings, 321 flat bars guarantee performance and dependability thanks to their strong thermal stability and oxidation resistance.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
George Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Houston, USA
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