Starc Metals is a reputable manufacturer and supplier located in Canberra, Australia, focusing on high-quality Stainless Steel 446 Flat Bars. Known for their strength, durability, and ability to perform under high temperatures, Starc Metals offers stainless steel products that adhere to strict industrial standards. Our Stainless Steel 446 Flat Bars are crafted using cutting-edge production methods to guarantee outstanding corrosion resistance, superior heat tolerance, and lasting structural integrity. We cater to various industries, including chemical processing, marine, oil and gas, and construction, providing reliable and high-performance stainless steel solutions. Our commitment is to deliver products that blend strength, longevity, and efficiency for even the most demanding applications.
The Stainless Steel 446 Flat Bars from Starc Metals are primarily made of iron with a high chromium content (23–27%) and low carbon, along with trace amounts of nickel and other elements. This ferritic stainless steel is known for its remarkable resistance to oxidation, scaling, and high-temperature corrosion. In terms of mechanical properties, 446 Flat Bars showcase excellent tensile strength, hardness, and toughness while maintaining their shape under extreme heat. Their unique blend of heat and corrosion resistance makes them perfect for applications that require long-lasting structural integrity in tough, high-temperature environments.
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 446 | 0.2 | 23.00 | 1.5 | 0.50 | 0.040 | 0.030 | 0.75 |
| Element | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness (Brinell (HB) max) |
| SS 446 | Psi – 75,000 , MPa – 485 | Psi – 40,000 , MPa – 275 | 20 % | – |
| STANDARD | WERKSTOFF NR. | UNS |
| SS 446 | 1.4762 | S44600 |
Stainless Steel 446 Flat Bar is primarily used in high-temperature and highly corrosive environments, such as industrial furnaces, heat exchangers, thermal oxidizers, and marine applications, due to its exceptional resistance to oxidation, scaling, and chloride stress corrosion.
Stainless Steel 446 Flat Bar contains approximately 23-27% chromium, 0.2% carbon, up to 1.5% manganese, 1.0% silicon, 0.04% sulfur, and trace amounts of nickel, phosphorus, and molybdenum, offering excellent oxidation and corrosion resistance in extreme environments.
Yes, Stainless Steel 446 Flat Bar is highly suitable for high-temperature applications due to its excellent oxidation resistance and ability to withstand temperatures up to 1100°C (2012°F), making it ideal for furnace components, heat exchangers, and thermal oxidizers.
Starc Metals’ Stainless Steel 446 Flat Bars find extensive use in industries where high-temperature and corrosion resistance are crucial. In chemical and petrochemical facilities, they are employed for furnace components, heat exchangers, and reaction vessels. The marine sector uses them for parts that face harsh saline conditions. They are also utilized in the automotive and power generation industries for exhaust systems, turbines, and high-temperature machinery. Furthermore, 446 Flat Bars are highly regarded in construction and industrial manufacturing for their durability, strength, and resistance to oxidation, ensuring dependable performance even in challenging conditions.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Starc Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Canberra, Australia
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