Starc Metals, located in Canberra, Australia, stands out as a top manufacturer and supplier of specialty metals, particularly Stainless Steel 420 bars and rods. Renowned for their precision, durability, and unwavering quality, Starc Metals ensures that their products meet the highest industrial standards. Their Stainless Steel 420 bars and rods are crafted for exceptional hardness, wear resistance, and moderate corrosion protection, making them perfect for demanding applications. Catering to industries like automotive, aerospace, and general engineering, Starc Metals delivers reliable, high-performance solutions that guarantee long-term efficiency and durability. Clients trust Starc Metals for bars and rods that seamlessly blend superior quality, precision, and consistent performance.
Stainless Steel 420 is a high-carbon martensitic stainless steel containing about 12–14% chromium and low carbon content, which can be heat treated for enhanced hardness. Mechanically, it boasts impressive tensile and yield strength, high hardness, good wear resistance, and moderate corrosion resistance. This alloy maintains toughness while offering outstanding durability, making it ideal for components that face mechanical stress and moderately corrosive environments. Its unique combination of strength, wear resistance, and dimensional stability ensures dependable performance in both industrial and precision applications.
| 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 find extensive use in automotive, aerospace, and industrial engineering sectors. They are perfect for crafting shafts, fasteners, cutting tools, valves, and precision machinery components that demand high hardness and wear resistance. Additionally, these bars and rods are well-suited for structural and marine components where moderate corrosion resistance and mechanical strength are crucial. Their ability to maintain dimensional stability and performance under repetitive stress makes Stainless Steel 420 bars and rods a go-to choice for engineers in search of reliable, long-lasting, and high-performance components.






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