Weston Stainless, Midland, UK, is a trusted supplier of quality stainless steel products, providing strong and corrosion-resistant solutions for industrial use. Among its top-grade products, Stainless Steel 446 Bars are popular for their high-temperature resistance, stability against oxidation, and high mechanical strength. Grade 446 classified, these bars are produced in various shapes, such as round, square, hex, and flat bars, to meet various engineering requirements. Made of ferritic stainless steel, they exhibit excellent heat resistance, superior corrosion protection, and lasting durability, and are therefore suited for their application in severe temperature conditions and rigorous industrial applications.
Stainless Steel 446 Bars consist primarily of iron with a high percentage of chromium (23-27%) for greater oxidation and corrosion resistance. They also have trace amounts of carbon, manganese, silicon, and trace elements that improve their mechanical properties. These bars have a tensile strength of some 550 MPa, a yield point of some 310 MPa, and an elongation of 20%. They have a physical property of a density of about 7.7 g/cm³ and high thermal conductivity, with which they operate well at high temperatures and harsh environmental conditions.
Specification : EN, DIN, JIS, ASTM, BS, ASME, AISI
Standard Specification : ASTM A276, ASTM A479, ASTM A182
SS 446 Round Bars : Outside Diameter in the range of 4mm to 500mm
SS 446 Bright Bars : Outside Diameter in the range of 4mm to 200mm
SS 446 Hex Bars : 4mm – 101.6mm
SS 446 Square Bars : 3mm – 100mm
SS 446 Flat Bars : 1 / 2” to 10” in thickness range of 1.6mm to 150mm, Custom Size Stainless Steel Flats available
Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Length : 1 to 6 Meters, Custom Cut Lengths
Form : Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.
Our SS 446 Round bars conforms to NACE MR0175/ISO 15156
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 446 | min. | – | – | – | – | – | 24.0 | – | – | 0.10 |
| max. | 0.2 | 1.5 | 0.75 | 0.040 | 0.030 | 26.0 | – | 0.50 | 0.25 | |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 446 | 485 | 275 | 20 | 92 | 201 |
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Stainless Steel 446 Bars are extensively utilized in high-temperature and corrosion-resistant applications in power plants, heat exchangers, and furnace parts. They are crucial in petrochemical plants, cement production, and incinerators because of their resistance to oxidation and scaling at high temperatures. They are also used in exhaust systems, refractory anchoring systems, and thermal processing equipment. Their high mechanical stability, excellent durability, and ability to withstand harsh heat make them a top pick for demanding industrial applications.
Designed for high-temperature applications, offering excellent resistance to oxidation and thermal degradation. Ideal for use in furnace parts, exhaust systems, and heat exchangers where durability and high performance under extreme conditions are required.
Exceptional heat resistance and corrosion protection. They are used in manufacturing components for high-temperature environments, such as furnace linings, heat shields, and structural supports exposed to severe thermal conditions.
High resistance to heat and oxidation. They are commonly utilized in high-temperature applications such as industrial furnaces, exhaust systems, and components that require robust performance under extreme heat and corrosive conditions.
Outstanding heat and corrosion resistance, making them suitable for high-temperature environments. They are used in applications such as heat exchangers, furnace components, and structural elements where durability and performance are critical.
Superior resistance to high temperatures and oxidation. They are ideal for use in industrial settings requiring strong, heat-resistant components, such as in exhaust systems, furnace parts, and other high-temperature applications.
Engineered for high-temperature and corrosive environments, offering excellent strength and thermal stability. Suitable for structural supports, heat exchangers, and furnace components, these bars ensure long-lasting performance in demanding conditions.
Stainless Steel 446 Bars are delivered with mill test certificates like EN 10204 3.1 or 3.2, meeting international quality standards. They are carefully packaged in wooden crates, bubble wraps, or plastic-capped ends to avoid transit damage. Delivery times vary with order quantity and destination, with efficient logistics guaranteeing prompt shipment. Custom packaging solutions can be arranged upon request to cater to specific customer requirements, guaranteeing the bars‘ optimal arrival condition.
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