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Boikanyo Sheets and Plates is a leading manufacturer and supplier based in Cape Town, South Africa, specializing in quality stainless steel. With a commitment to excellent performance they offer highly durable and precisely designed fabrics and plates, designed to meet industrial needs Furthermore, their Stainless Steel 440C Circles are known for their durability unique and corrosion resistant, making it ideal for demanding applications Boikanyo Sheets and Plates their In their overall Product offering ensures reliability, efficiency and customer satisfaction.
Stainless steel 440C is a high-carbon, martensitic stainless steel with excellent durability and corrosion resistance. Its composition is approximately 1.0% carbon, 16-18% chromium, 1.0% manganese, 1.0% silicon, molybdenum, nickel and traces of sulfur. Known for its high strength, durability and corrosion resistance, especially in areas where resistance to oxidation and corrosion is important Mechanical properties include 850-1150 MPa tensile strength, 450-850 MPa yield strength, and 58-60 HRC hardness under severe conditions Usually bearing valve cutlery used for food. etc. They are used.
| 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.
Stainless Steel 440C Circle is a high carbon, high chromium steel known for its durability, corrosion resistance and durability. It is commonly used in products requiring precision and durability such as circular bearings, valve parts, and cutting tools. Excellent corrosion resistance in corrosive environments makes it suitable for aerospace, automotive and marine industries. In addition, it is used in surgical instruments, gears and shafts where high mechanical strength and wear resistance are required and the material is also used in heat treatment applications for parts requiring high hardness.
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