Hemi Metals, located in Hamilton, New Zealand, has built a solid reputation as a reliable manufacturer and supplier of high-performance Nitronic Bars and Rods. They cater to a variety of industries that require exceptional strength and resistance to corrosion. With a keen emphasis on quality and precision engineering, Hemi Metals offers materials that are engineered to endure tough environments and mechanical stresses. Their Nitronic products are well-regarded for their dependable performance, whether in low or high-temperature settings. Backed by cutting-edge manufacturing capabilities and a strong commitment to customer satisfaction, Hemi Metals guarantees superior durability, consistent properties, and a reliable supply for clients in the marine, chemical, petrochemical, and structural engineering fields.
Nitronic Bars and Rods are mainly made from high-strength austenitic stainless steel, which includes elements like nitrogen, chromium, manganese, and molybdenum, depending on the specific grade. This unique composition boosts both corrosion resistance and mechanical strength while ensuring good ductility. Nitronic alloys are known for their impressive tensile and yield strength, often surpassing that of standard stainless steels. They maintain their toughness across a broad temperature range and provide excellent resistance to wear, galling, and pitting. These mechanical properties make Nitronic Bars and Rods ideal for applications that demand enhanced durability and reliable performance in challenging conditions.
| Standards : | UNS S21906 | AMS 5656 | MIL-T-9821 | ASTM A276 | ASME SA276 UNS S21800 | Alloy 218 | ASME SA 193 | AMS 5848 | ASTM A 193 EN 1.3964 | ISO 15156-3 | NACE MR0175 | UNS S20910 | AMS 5764 | ASTM A193 | Werkstoff 1.3964 |
| Dimensions : | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Wire : | Thickness starting from 0.05mm |
| Round bar size : | Diameter: 3-~800mm |
| Hex Bar size : | 2-100mm A/F |
| Flat bar size : | Thickness: 2 -100mm / Width: 10 to 500mm |
| Square bar size : | 4 to 100mm |
| Rectangular Bars Size : | 33 x 30mm to 295 x 1066mm |
| Hollow Bar : | 32mm OD x 16mm ID to 250mm OD x 200mm ID |
| Tolerance : | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Finish : | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Grade | C | Mn | Si | S | Cr | Ni |
| Nitronic 50 | 0.06 max | 0.10 max | 0.1 max | 23.50 | 14.00 – 17.00 | 13.50 max |
| Nitronic 60 | 0.10 max | 9.00 max | 4.5 max | – | 18.00 | 9.00 max |
| Grade | Tensile Strength | Yield Strength (0.2%Offset) | Elongation | Hardness |
| Nitronic 50 | 95 | 50 | 35 % | 241 |
| Nitronic 60 | 105 | 55 | 35 % | – |
| STANDARD | UNS | EN | ISO | NACE | AMS | ASTM | Werkstoff | other |
| Nitronic 40 | S21906 | – | – | – | 5656 | A276 | – | MIL-T-9821 |
| Nitronic 50 | S20910 | 1.3964 | 15156-3 | MR0175 | 5656 | A193 | 1.3964 | MIL-T-9821 |
| Nitronic 60 | S21800 | – | – | – | 5848 | A193 | 1.3964 | Alloy 218 |
Yes, Nitronic bars, such as Nitronic 50 and Nitronic 60, can be welded using standard welding techniques, including TIG, MIG, and shielded metal arc welding (SMAW), with appropriate filler material.
Suitable welding processes for Nitronic bars include TIG (Tungsten Inert Gas), MIG (Metal Inert Gas), and stick welding, with proper filler materials to ensure strong, corrosion-resistant joints.
Nitronic rods are available in a range of sizes, typically from 1/8" to 12" in diameter. Common finishes include hot-rolled, cold-rolled, polished, and machined, depending on the application.
You’ll find Nitronic Bars and Rods being utilized in various industries that need exceptional strength and corrosion resistance. They’re commonly used in marine hardware, pump shafts, valve components, and chemical processing equipment, thanks to their outstanding resistance to wear and pitting. In the petrochemical industry, they thrive in high-stress environments where durability is essential. Their toughness and non-magnetic properties also make them a great choice for structural and architectural applications. Plus, Nitronic alloys are popular for fasteners, aerospace components, food-processing equipment, and heat-resistant applications.






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