Stainless Steel 420 Bars and Rods are highly regarded for their impressive hardness, wear resistance, and decent corrosion resistance, making them perfect for precision tools and various industrial uses. As a martensitic stainless steel, grade 420 can be heat treated to achieve remarkable hardness and edge retention while still offering reasonable toughness. These bars and rods deliver consistent dimensional accuracy, a smooth surface finish, and dependable mechanical performance, making them ideal for knives, cutting tools, valve components, and other precision parts. In industries that demand strength, durability, and corrosion resistance in moderately aggressive environments, Stainless Steel 420 Bars and Rods are truly valued.
Made primarily of iron with 12–14% chromium along with small amounts of carbon, manganese, and silicon, Stainless Steel 420 Bars and Rods boast high hardness, excellent wear resistance, and moderate corrosion resistance, especially in mildly corrosive or atmospheric conditions. Their martensitic structure allows for heat treatment, enhancing mechanical properties like tensile strength, toughness, and edge retention. These bars and rods maintain dimensional stability and surface quality, making them perfect for precision machining and the fabrication of tools, mechanical components, and industrial parts that require reliability and strength.
| 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.
You’ll find Stainless Steel 420 Bars and Rods widely used in the production of knives, cutting tools, surgical instruments, valve and pump components, fasteners, and precision mechanical parts. Their ability to retain hardness and resist wear makes them suitable for high-precision applications that face moderate corrosion. Additionally, 420 Bars and Rods are utilized in the automotive, chemical, and industrial machinery sectors, where durability and corrosion resistance are crucial. With their blend of machinability, hardness, and structural reliability, Stainless Steel 420 Bars and Rods are a top choice for many applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Junaid Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Manama, Bahrain
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