Neil Metals is a well-respected manufacturer and supplier of Stainless Steel 420 Bars and Rods, located in Kolkata, India. They specialize in high-quality martensitic stainless steel products that are perfect for applications requiring outstanding strength, hardness, and moderate corrosion resistance. Renowned for providing materials that adhere to global standards, Neil Metals supplies SS 420 bars and rods to various industries, including cutlery, engineering, medical, and power generation. These bars are meticulously crafted to ensure excellent machinability, wear resistance, and mechanical performance. With cutting-edge facilities and a strong commitment to customer satisfaction, Neil Metals guarantees timely delivery of Stainless Steel 420 Bars and Rods to both domestic and international markets.
Typically, Stainless Steel 420 Bars and Rods contain 12–14% chromium and 0.15% to 0.40% carbon, along with trace amounts of manganese, silicon, phosphorus, and sulfur. This martensitic stainless steel grade can be hardened through heat treatment, achieving a tensile strength of up to 700–900 MPa and a yield strength of around 500 MPa, depending on the tempering conditions. SS 420 is known for its excellent hardness, good fatigue resistance, and moderate corrosion resistance in mild environments. It also offers impressive dimensional stability and polishability, making it ideal for precision components and decorative finishes.
| Specification | ASTM A276/ A479, ASME SA276/SA479 |
|---|---|
| Grade | Stainless Steel 420 (UNS S42000) |
| Flat bar size | 1/2” to 10” in thickness range of 2mm to 150mm |
| Square bar size | 18mm – 47mm (11/16″ to 1-3/4″) |
| Round bar size | Outside Diameter in the range of 4mm to 500mm |
| Hex Bar size | 18mm – 57mm (11/16″ to 2-3/4″) |
| Bright Bar | Outside Diameter in the range of 4mm to 100mm |
| Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
| Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| Billet Size | 1/2″ to 495mm Diameter |
| Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Rectangular bar Size | 33 x 30mm to 295 x 1066mm |
| Finish | Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black |
| Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Surface | Cold Drawn, Bright, Sand Blasting Finished, Hot Rolled Pickled, Hairline, Polished |
| Condition | Hardened & tempered, annealed |
| Technique | 420 Stainless Steel Cold Drawn, Hot Rolled, Forged Round Bar, Rod, Cold Rolled |
| Processing | Bar cutting to 650mm |
| Section | 3.0 to 12.0mm thickness |
| Form | Precision Ground Bar, Flat Bar, Square, Round, Half Round Bar, Rod, Rectangle, Hex (A/F), T-Bar, Channel Bar,Blocks, Round Rod, Threaded, Profiles, Billet, Ingot, I/H Bar, Forging, Rings, Hollow, Triangle etc. |
| Our 420 Stainless Steel Round bar conforms to NACE MR0175/ISO 15156 | |
| 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 |
Stainless Steel 420 Bars and Rods are known for their excellent hardness, corrosion resistance, and wear resistance. They are a high-carbon steel that can be heat-treated for maximum hardness and are ideal for applications that require strength and durability, such as cutlery, surgical instruments, and valve parts.
Stainless Steel 420 has higher carbon content compared to other grades like 304 or 316, which allows it to be hardened through heat treatment. This makes it particularly suitable for applications that demand high strength, hardness, and wear resistance, although it may not offer the same corrosion resistance as other austenitic grades.
Stainless Steel 420 is commonly used in the manufacturing of cutlery, surgical instruments, automotive components, and valves due to its excellent hardness, strength, and resistance to corrosion.
Stainless Steel 420 Bars and Rods are commonly used in applications that demand high hardness and abrasion resistance. You’ll find them in surgical and dental instruments, knives, scissors, valve components, pump shafts, molds, and automotive parts. The material’s ability to achieve high hardness through heat treatment makes it perfect for wear-prone mechanical components. SS 420 is also utilized in industrial blades, measuring tools, and shafts that face light corrosion. Its machinability and bright finish make it an excellent choice for precision machining and aesthetic applications where a polished surface and strength are key.






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