Semih Metals is one of the leading manufacturer and supplier from Istanbul, Turkey, specializing in delivering top-grade Stainless Steel 420 Rectangular Bars. They are known for their high strength, durability, and resistance to corrosion. Our Stainless Steel 420 Rectangular Bars are designed to suit different industrial requirements. With precision engineering and focus on the satisfaction of customers, Semih Metals supplies consistently sound solutions for purposes such as construction, the automotive industry, manufacturing, and more. With our great experience and high technology, we offer the highest quality products that are compliant with international standards and set a benchmark in the metal industry towards excellence.
Stainless Steel 420 Rectangular Bars are composed of 12-14% chromium, 0.15% carbon and trace amounts of manganese, silicon and sulfur. They offer excellent hardness, tensile strength (min. 600 MPa), and good wear resistance. These bars provide durability, corrosion resistance in mild environments and are easy to machine and polish. Their advantages include high strength, resistance to oxidation, low maintenance and suitability for applications like cutlery, surgical instruments and automotive components requiring high strength and moderate corrosion resistance.
Stainless Steel Rectangular Bar Specification : ASTM A276 / A479, ASME SA276 / A479
Dimension Standard : EN, DIN, JIS, ASTM, BS, ASME, AISI
Size : 14mm-300mm
Thickness : 50 mm to 6000 mm Long
Length : 1 To 6 Meters, Custom Cut Length
Form : Round, Square, Hex(A/F), Rectangle, Billet, Ingot, Forging Etc.
| Grade | C | Mn | Si | P | S | Cr | |
| 420 | min. | – | – | – | – | – | 12.0 |
| max. | 0.15 | 1.0 | 1.00 | 0.04 | 0.03 | 14.0 | |
| Grade | Tensile Strength (ksi) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (ksi) min | Hardness |
| 420 | 95,000 | 25 | 50,000 | 175 |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 420 | 1.4021 | S42000 | SUS 420 J1 | 420S29 | – | – | FeMi35Cr20Cu4Mo2 |
Choose Stainless Steel 420 Rectangular Bars based on their corrosion resistance, hardness, and strength requirements for your specific application. Consider factors like temperature, environment, and mechanical properties for optimal performance.
Stainless Steel 420 Rectangular Bars are available in various sizes, typically ranging from 10mm to 150mm in width and 5mm to 50mm in thickness. Lengths can vary from 1000mm to 6000mm, depending on the supplier and specific requirements.
Stainless Steel 420 Rectangular Bars offer good corrosion resistance, but they may require additional protective coatings in highly corrosive environments. Coatings like passivation or electroplating can enhance protection in specific applications.
Stainless Steel 420 Rectangular Bars are widely used in industries requiring high hardness and moderate corrosion resistance. They are ideal for manufacturing surgical instruments, cutlery and blades due to their excellent edge retention. These bars are also utilized in automotive components, pump shafts and valve parts where wear resistance is essential. In the petrochemical and marine sectors, they serve in moderate corrosive environments. Additionally, they are employed in hand tools, fasteners and machine parts requiring precision and durability.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Semih Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Istanbul, Turkey
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