Anucha Metals, a top-notch manufacturer and supplier located in Bangkok, Thailand, proudly offers high-quality Nitronic 40 Bars and Rods that adhere to international standards for reliability and performance. Renowned for their exceptional engineering, durability, and ability to withstand tough environments, Anucha Metals guarantees that its Nitronic 40 products are perfect for critical industrial applications. Also known as UNS S21900, Nitronic 40 is a high-strength austenitic stainless steel crafted for aerospace, chemical, and industrial uses. These bars and rods deliver an impressive mix of toughness, corrosion resistance, and performance at elevated temperatures, making them a go-to material in demanding settings.
The composition of Nitronic 40 Bars and Rods primarily includes iron, 19–21% chromium, 8–9% nickel, and 4–6% manganese, along with carefully controlled amounts of nitrogen, silicon, and molybdenum. This alloy boasts a tensile strength of around 690 MPa and a yield strength of about 275 MPa, maintaining good ductility and toughness even in cryogenic conditions. The nitrogen content boosts mechanical strength and corrosion resistance without sacrificing formability. Nitronic 40 is particularly resistant to atmospheric corrosion and oxidizing environments, and it offers excellent weldability and fabricability.
| 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 high strength, toughness, and corrosion resistance under various conditions. In the aerospace industry, they are utilized in engine components, fasteners, and structural parts that demand strength-to-weight efficiency. The chemical and petrochemical sectors rely on them for process equipment, heat exchangers, and storage tanks that face corrosive environments. Additionally, the marine and defense industries use them for shafts, fittings, and hardware in seawater applications. Their outstanding cryogenic toughness also makes them ideal for handling and storing liquefied gases. With their robust properties, Nitronic 40 Bars and Rods are a dependable choice for advanced engineering applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Anucha Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Bangkok, Thailand
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