Based in the heart of Addis Ababa, Tariku Metals has built its reputation on a foundation of reliability and deep technical knowledge, serving as a trusted supplier for specialized alloys. We take pride in providing local industry with high-performance materials like Nitronic 40 bar and rod, understanding that the right steel is the backbone of any successful project. Our commitment is to deliver not just a product, but a durable and dependable solution that meets the rigorous demands of Ethiopia’s growing industrial landscape, backed by our expert guidance and dependable service.
The strength of Nitronic 40 lies in its carefully balanced composition, which blends chromium, nickel, and manganese to create a remarkably resilient stainless steel. This alloy is known for its impressive yield strength and exceptional resistance to wear and galling, outperforming many conventional stainless steels. It maintains good ductility and toughness, even in challenging environments, ensuring it can handle significant stress without compromising its integrity. This combination of properties makes it a robust choice where both mechanical strength and corrosion resistance are non-negotiable.
| 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.
This material finds its purpose in applications where failure is not an option. You’ll find Nitronic 40 bars and rods hard at work in critical components like heavy-duty valve stems, pump shafts, and fasteners within the chemical processing and oil and gas industries. Its resistance to seizing and wear also makes it ideal for use in marine equipment, food processing machinery, and any situation involving high stress and corrosive media. Essentially, it’s the go-to material for extending the life and reliability of parts that face constant friction and aggressive conditions.






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