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Layla Sheets and Plates is a top-notch manufacturer and supplier located in Cairo, Egypt, specializing in high-quality Stainless Steel 440C Circles. These circles are renowned for their remarkable hardness, strength, and resistance to corrosion. The company prides itself on precision engineering, exceptional craftsmanship, and a strong commitment to international quality standards. With state-of-the-art production facilities and rigorous quality control measures, Layla Sheets and Plates guarantees that every Stainless Steel 440C Circle meets the diverse needs of various industries. These circles are perfect for applications that require outstanding wear resistance, making them ideal for both industrial and engineering purposes.
The Stainless Steel 440C Circle is primarily made up of iron, containing about 1.0% carbon, 16–18% chromium, along with trace amounts of manganese, silicon, and molybdenum. This high-carbon martensitic stainless steel delivers impressive hardness and wear resistance after undergoing heat treatment. It boasts a tensile strength ranging from approximately 760 to 1000 MPa, along with excellent edge retention and moderate corrosion resistance. The unique blend of hardness and toughness in this alloy makes it perfect for applications that demand precision, durability, and long-lasting performance under mechanical stress.
| Specifications : | ASTM A276 |
| Dimensions : | ASTM, ASME and API |
| Standard : | JIS, AISI, ASTM, GB, DIN, EN, etc. |
| Surface : | 2B, 2D, BA, NO.4, NO.8, 8K, Mirror,Checkered, Embossed, Hair Line, Sand Blast, Brush, Etching |
| Width : | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm,etc. |
| Finish : | Black,Bright Polished,Rough Turned,No.4 Finish,Matt Finish,BA Finish |
| Length : | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc. |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 440C | min. max. | 0.95 1.20 | – 1 | – 1 | – 0.04 | – 0.030 | 16.00 18.00 | – 0.75 | – | – |
| Tempering Temperature (°C) | Tensile Strength (MPa) | Yield Strength 0.2% Proof (MPa) | Elongation (% in 50mm) | Hardness Rockwell (HR C) | Impact Charpy V (J) |
| Annealed* | 758 | 448 | 14 | 269HB max# | – |
| 204 | 2030 | 1900 | 4 | 59 | 9 |
| 260 | 1960 | 1830 | 4 | 57 | 9 |
| 316 | 1860 | 1740 | 4 | 56 | 9 |
| 371 | 1790 | 1660 | 4 | 56 | 9 |
| Grade | WERKSTOFF NR. | UNS |
| SS 440C | 1.4313 | S44004 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 440C Circle offer several advantages including high hardness and good corrosion resistance, making them ideal for applications requiring toughness, such as bearings and cutting tools especially on sites flexible It has good corrosion resistance and can withstand higher temperatures than other stainless steels. The ability to retain strength and hardness at elevated temperatures makes it highly suitable in complex industrial applications. Moreover, it is easily polished, making it flexible for cosmetic and functional purposes in industries such as automotive, aerospace and space.
You’ll find Stainless Steel 440C Circles widely utilized in industries that require superior hardness and wear resistance. They are commonly used in the production of bearings, valve components, surgical instruments, cutting tools, and molds. The material’s strength and resistance to corrosion also make it a great fit for aerospace, defense, and automotive applications. Moreover, Stainless Steel 440C Circles are favored in environments that experience high mechanical loads and friction, ensuring reliable performance and a long service life in challenging industrial and engineering settings.
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