Starc Metals, located in Canberra, Australia, stands out as a top-notch manufacturer and supplier of premium stainless steel products, including Nitronic 40 bars and rods. These products are celebrated for their remarkable corrosion resistance, impressive strength, and durability against wear, making them perfect for tough industrial and engineering tasks. By blending cutting-edge manufacturing techniques with strict quality control, Starc Metals ensures that their Nitronic 40 offerings deliver dependable performance and longevity. They cater to a variety of industries, such as aerospace, chemical processing, marine, and heavy machinery, providing versatile, high-performance solutions for components that face harsh and high-stress conditions.
Nitronic 40 bars and rods are high-performance austenitic stainless steel alloys, featuring around 17–19% chromium, 8–10% nickel, 0.3% nitrogen, 1–2% manganese, and trace amounts of carbon. This unique blend grants them excellent tensile and yield strength, superior wear resistance, and outstanding corrosion resistance. On a mechanical level, Nitronic 40 retains toughness, dimensional stability, and resistance to galling, even under stress and elevated temperatures. These characteristics make it an ideal choice for industrial components that require durability, high performance, and reliability in challenging mechanical and corrosive settings.
| Grade | Nitronic alloy 40 Round Bar bars |
|---|---|
| Specification | DIN, JIS, ASTM, BS, ASME, AISI |
| Nitronic 40 Square bar size | 4 to 100mm |
| Nitronic Alloy 40 Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| 40 Nitronic Alloy Hex Bar size | 2-100mm A/F |
| Nitronic 40 Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Nitronic Alloy 40 Rectangles Size | 33 x 30mm to 295 x 1066mm |
| 40 Nitronic Alloy Flat bar size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| Nitronic 40 Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
| Nitronic Alloy 40 Section | 3.0 to 12.0mm thickness |
| 40 Nitronic Alloy Round bar size | Diameter: 3-~800mm |
| Nitronic 40 Billet Size | 1/2″ to 495mm Diameter |
| Nitronic Alloy 40 Round Bar Standard Dimensions | Diameter / Height: |
| Nitronic 40 Surface | Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
| Nitronic Alloy 40 Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| 40 Nitronic Alloy Technique | Nitronic 40 Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
| Nitronic 40 Condition | Hardened & tempered, annealed |
| 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 |
| Form | Nitronic 40 Round, Rod, T-Bar, Nickel Alloy Channel Bar, Precision Ground Bar, Nickel Alloy Flat Bar, Nickel Alloy Square Bar, Nickel Alloy Blocks, Nickel Alloy Round Rod, Nickel Alloy Rings, Nickel Alloy Hollow, Nickel Alloy Triangle, Rectangle, Hex (A/F), Nickel Alloy Threaded, Half Round Bar, Profiles, Nickel Alloy Billet, Nickel Alloy Ingot, I/H Bar, Forging etc. |
| Processing | Bar cutting to 650mm |
| Our Nitronic 40 Round bar conforms to NACE MR0175/ISO 15156 | |
| Grade | C | Mn | S | Si | N | Ni | Cr |
| Nitronic Alloy 40 | 0.08 | 10.0 – 8.0 | 0.030 | 1.00 | 0.40 – 0.15 | 7.50 – 5.50 | 21.50 – 19.00 |
Ultimate Tensile, min. | Yield Strengtd (0.2% OS) min. | Elong. in 2 in., or 50mm, min., % | R/A | Hardness, max. | |
Min | 95 KSi | 48 KSi | 35 |
| |
Max | 241 Brinell | ||||
Min | 655 MPa | 330 MPa | |||
Max | 100 Rockwell B |
| STANDARD | UNS | DIN |
|---|---|---|
| Nitronic 40 Round Bars | S21900 | – |
Nitronic 40 bars are available in both rough and smooth finishes, depending on the manufacturing process and customer requirements. Smooth finishes are typical for applications needing better aesthetics or precision.
Nitronic 40 rods are available in sizes ranging from 3mm to 300mm diameter. Finishes include bright, polished, black, and rough-turned, catering to industrial and decorative applications.
Yes, Nitronic 40 bar can be welded using standard methods like TIG, MIG, and shielded metal arc welding. Preheating is not required, and post-weld annealing ensures optimal properties.
Nitronic 40 bars and rods find extensive use in industries that require materials with high performance, corrosion resistance, and wear resistance. They’re often utilized for pump shafts, valve components, fasteners, and structural parts that are exposed to harsh chemical or marine environments. Additionally, they excel in aerospace, chemical processing, and heavy machinery applications where strength, durability, and galling resistance are essential. Furthermore, Nitronic 40 bars and rods are perfect for precision machinery components, offering engineers and manufacturers long-lasting, reliable, and versatile solutions for demanding industrial and engineering projects.






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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