Mitchell Stainless is a reliable manufacturer and supplier of Stainless Steel 446 coils based in Hamilton, New Zealand. We pride ourselves on delivering high-performance stainless steel solutions tailored for a variety of industries. Renowned for our precision manufacturing and unwavering commitment to quality, we adhere strictly to international standards. Our coils are designed to withstand high temperatures and resist oxidation. With state-of-the-art processing facilities and a focus on customer satisfaction, we guarantee a dependable supply, precise dimensions, and competitive pricing. When it comes to durability, efficiency, and long-lasting performance, Mitchell Stainless is the go-to choice for stainless steel products.
Stainless Steel 446 is a ferritic stainless steel known for its high chromium content, usually between 23–27%, and low carbon levels, which boost its resistance to oxidation and corrosion. With minimal nickel content, it remains cost-effective while offering excellent thermal stability. In terms of mechanical properties, SS 446 coils provide good tensile strength, moderate yield strength, and reliable performance even at elevated temperatures. This alloy also features low thermal expansion, good formability, and resistance to scaling, making it an ideal choice for environments with continuous high heat.
| Standard | ASTM A240, ASME SA240 |
| Thickness | 0.1mm to 12 mm Thk |
| Coil Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm etc. |
| Coil Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm etc. |
| Surface | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sandblast, Brush, etching. |
| Finish | Hot rolled (HR), Cold rolled (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated), Galvanized etc. |
| Grade | C | Ni strong> | Si | S | Mn | P | Cr | Ti | |
| SS 446 | Min | – | – | – | – | – | – | 10.5 | 6x C |
| MAX | 0.08 | 0.5 | 1.00 | 0.045 | 1.00 | 0.045 | 11.75 | 0.75 | |
| Tensile Strength(MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Rockwell B (HRB) max | Brinell (HB) max |
| 450 | 240 | 25 | 75 | 131 |
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SS 446 Slitting Coils are processed by slitting larger coils into narrower strips. They offer excellent resistance to high-temperature oxidation and thermal fatigue. These coils are ideal for use in applications involving high heat and severe environments.
SS 446 Hot Rolled Coils are produced through high-temperature rolling, making them suitable for heavy-duty applications. They possess high resistance to oxidation, particularly in environments where high heat is a concern. These coils are commonly used in industrial equipment and furnaces.
SS 446 Cold Rolled Coils are cold-formed to achieve a smoother finish and higher strength. These coils are ideal for precision applications, offering improved surface quality and tight tolerance. They maintain excellent resistance to heat and corrosion.
Stainless Steel 446 HR Slitting Coils are hot-rolled and then slit into narrow widths for further processing. They offer superior oxidation resistance and high strength at elevated temperatures. These coils are widely used in industries like aerospace and power generation.
Stainless Steel 446 Slitting Coils are designed for applications requiring high-temperature strength and corrosion resistance. These coils are slit into precise widths and are ideal for high-stress environments. They maintain their mechanical properties even at extreme temperatures.
AISI 446 Slitting Coils are manufactured from high-alloy stainless steel, offering excellent resistance to thermal fatigue and oxidation. They are commonly used in applications such as furnaces, kilns, and combustion chambers. The slitting process ensures flexibility for different industrial needs.
We are committed to delivering the highest quality Stainless Steel 446 Coils to our clients. For their excellent quality, these coils undergo a series of stringent testing processes before dispatch. These tests include hardness testing, chemical analysis through spectro analysis, positive material identification (PMI) testing, flattening testing, micro and macro tests, pitting resistance testing, flaring testing, and intergranular corrosion (IGC) testing. Besides that, we also provide third-party inspection certificates for the assurance of our clients in respect of the excellent quality and reliability of our Stainless Steel 446 Coils for a wide variety of industrial applications.
The Stainless Steel 446 coils produced by Mitchell Stainless in Hamilton, New Zealand, are extensively utilized in high-temperature and corrosive settings. You’ll find these coils in a variety of applications, including furnace components, heat exchangers, boiler parts, automotive exhaust systems, and industrial ovens. They are also perfect for petrochemical processing equipment, thermal insulation supports, and components in power generation where oxidation resistance is crucial. With their robust performance, these coils are designed to meet the demands of even the toughest industrial environments.
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