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Yunus Sheets and Plates, based in Istanbul, Turkey, has built a solid reputation as a manufacturer and supplier of top-notch stainless steel products, catering to a variety of industrial needs. They specialize in Stainless Steel 420 Sheets and Plates, which are recognized for their impressive hardness, outstanding wear resistance, and decent corrosion performance after heat treatment. The company is dedicated to providing precision-engineered products that adhere to global standards, thanks to their advanced manufacturing techniques and strict quality control. Their Stainless Steel 420 materials are perfect for applications where strength, durability, and edge retention are crucial, such as tools, cutlery, and industrial components.
Stainless Steel 420 Sheets and Plates are a type of martensitic stainless steel that contains Chromium (12–14%), Carbon (0.15–0.40%), along with trace amounts of Manganese, Silicon, and Sulfur. The high carbon content enables the material to undergo heat treatment, resulting in enhanced hardness and strength. Typical mechanical properties include a tensile strength ranging from 700 to 850 MPa, a yield strength of 340 MPa, and an elongation of about 15%. When properly heat-treated, 420 exhibits excellent wear resistance, moderate corrosion resistance, and good polishability. These traits make it ideal for high-stress applications that require both durability and a polished finish.
| Item | Stainless Steel 420 sheet(Hot rolled, cold rolled) | |
| Thickness | 0.01~200mm | |
| Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc | |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc | |
| Standard | JIS, AISI, ASTM, GB, DIN, EN, etc | |
| Surface | the surface and finish of stainless steel 420 sheet: 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc | |
| Brand: | Indian Origin, European Origin, Japanese Origin, US Origin, Korea Origin, Thailand Origin, Taiwan Origin | |
| Manufacturer: | POSCO, Aperam, Jindal Stainless, DKC Korea, Thyssenkrup, Baosteel, TISCO, Arcelor Mittal, VDM, Nippon Metal, Outokumpu | |
| Package | Shrink-wrapped ,Carton boxes, Wooden pallets, Wooden boxes ,Wooden crates Etc. required. |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
420 | 0.15 max | 1 max | 1 max | 0.040 max | 0.03 max | 12.0-14.0 | – | – | – |
| Tempering Temperature (°C) | Tensile Strength (MPa) | Yield Strength 0.2% Proof (MPa) | Elongation (% in 50mm) | Hardness Brinell (HB) | Impact Charpy V (J) | |
| Annealed * | 655 | 345 | 25 | 241 max | – | |
| 204 | 1600 | 1360 | 12 | 444 | 20 | |
| 316 | 1580 | 1365 | 14 | 444 | 19 | |
| 427 | 1620 | 1420 | 10 | 461 | # | |
| 538 | 1305 | 1095 | 15 | 375 | # | |
| 593 | 1035 | 810 | 18 | 302 | 22 | |
| 650 | 895 | 680 | 20 | 262 | 42 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| STANDARD | WERKSTOFF NR. | UNS | JIS | AFNOR | BS | GOST | EN | |
| SS 420 | 1.4021 | S42000 | SUS 420 | – | – | – | – |
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C (J/kg.K) | Electrical Resistivity (nΩ.m) | ||||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | ||||||
| 420 | 7800 | 200 | 10.3 | 10.8 | 11.7 | 24.9 | – | 460 | 550 | |
Stainless Steel 420 Sheets and Plates find extensive use in areas that require high hardness, wear resistance, and a sharp cutting edge. They are frequently used in making surgical instruments, cutlery, knife blades, scissors, and industrial tools. In the mechanical and automotive industries, 420 is utilized for valve components, pump parts, and shafts. Its ability to achieve a mirror-like polish also makes it a great choice for decorative applications.
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