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Ahmed Sheets and Plates is a well-respected manufacturer and supplier of top-notch Stainless Steel 440C Circles based in Safat, Kuwait. They cater to a variety of industrial sectors with precision-engineered products. Renowned for their dedication to quality, the company offers circles that boast remarkable hardness, wear resistance, and durability. With state-of-the-art production facilities and rigorous quality control measures, Ahmed Sheets and Plates guarantees that each Stainless Steel 440C Circle adheres to global performance and reliability standards. Their products are a popular choice for demanding applications where strength, corrosion resistance, and precise dimensions are crucial, making them a go-to option for clients throughout Kuwait and beyond.
Stainless Steel 440C Circles are primarily made from high-carbon martensitic stainless steel, which includes chromium, carbon, and trace amounts of manganese and silicon. The high carbon content provides outstanding hardness and wear resistance after heat treatment, while chromium boosts corrosion resistance. On a mechanical level, 440C delivers high tensile strength, excellent edge retention, and good dimensional stability. It performs well under high-stress conditions and offers superior fatigue resistance. These traits make 440C Circles perfect for applications that demand durability, strength, and precision in both low and moderately corrosive environments.
| 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.
Industries that require high hardness, strength, and wear resistance frequently use Stainless Steel 440C Circles. They are commonly found in the production of cutting tools, bearings, valve components, and surgical instruments, thanks to their excellent edge retention and durability. In the automotive and aerospace fields, 440C Circles are utilized for precision parts, mechanical components, and high-load applications. They also find their place in industrial machinery, pump components, and equipment that faces friction or abrasion. Their corrosion resistance and mechanical stability make them ideal for both engineering and high-performance applications.
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