Hemi Metals stands out as a reliable manufacturer and supplier of high-performance Monel Hollow Bars, proudly serving various industries in Hamilton, New Zealand. Their dedication to quality and reliability is truly commendable. With a wealth of experience in specialty alloys, Hemi Metals provides Monel Hollow Bars that adhere to strict international standards for corrosion resistance, durability, and precision. Each product is meticulously engineered to excel in tough environments, including marine, chemical, and oil and gas sectors. Thanks to their advanced manufacturing techniques, responsive service, and a strong focus on customer satisfaction, Hemi Metals has become a go-to source for top-notch Monel alloy hollow bar solutions.
Monel Hollow Bars are mainly made up of nickel and copper, typically featuring about 63% nickel and 28–34% copper, along with trace amounts of iron, manganese, carbon, and silicon. This well-balanced composition grants them remarkable resistance to seawater, acids, and alkaline conditions. On the mechanical side, Monel Hollow Bars boast high tensile and yield strength, impressive toughness, and resilience across a broad temperature range. Their exceptional resistance to stress-corrosion cracking, erosion, and pitting ensures they perform reliably even in the most challenging operational settings.
| Specifications | : | ASTM B164 / ASTM SB164 |
| Dimensions | : | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Size | : | 5 mm To 500 mm |
| Diameter | : | 0.1 mm to 100 mm |
| Length | : | 100 mm To 3000 mm Long & Above |
| Finish | : | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Tolerance | : | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Form | : | Hollow |
| Designation | C% | Co% | Cr% | Mo% | Ni% | V% | W% | Ai% | Cu% | Nb/Cb Ta% | Ti% | Fe% | Sonstige Autres-Other % |
| – | 0.12 | – | – | – | 65.0 | – | – | – | 32.0 | – | – | 1.5 | Mn 1.0 |
| – | 0.10 | – | – | – | 43.0 | – | – | – | 53.0 | – | – | 0.75 | Si 0.25; Mn 2.25 |
| – | 0.15 | – | 52.0-57.0 | – | – | 0.05 | rest/bal | – | – | 0.50 | Mn 0.10; Si 0.10;S o.024 | ||
| – | 0.10 | – | – | – | 63.0-17.0 | – | – | 2.5-3.5 | rest/bal | – | 0.50 | 2.0 | Mn 1.5;Si 0.5; S 0.010 |
| – | 0.13 | – | – | – | 64.0 | – | – | 2.8 | 30.0 | – | 0.6 | 1.0 | Mn 0.8 |
| – | 0.15 | – | – | – | 66.0 | – | – | – | 31.0 | – | – | 1.2 | Mn 1.0; S 0.04 |
| Element | Monel |
| Density | 8.8 g/cm3 |
| Melting Point | 1350 °C (2460 °F) |
| Tensile Strength | Psi – 80,000 , MPa – 550 |
| Yield Strength (0.2%Offset) | Psi – 35,000 , MPa – 240 |
| Elongation | 40 % |
Yes, we provide bars and rods in standard and customized dimensions and polishes to meet your specific project requirements. For more details mail us on sales@hemimetals.co.nz
Yes, Monel Hollow Bars can be heat treated to enhance their mechanical properties. Heat treatment processes such as annealing can improve their strength, hardness, and corrosion resistance.
Yes, Monel Hollow Bars can be used for underground applications due to their excellent corrosion resistance and durability in harsh environments. They are ideal for applications requiring long-term strength and protection against soil corrosion.
These Monel Hollow Bars find their place in industries that require outstanding corrosion resistance and mechanical stability. In marine applications, they are the preferred choice for pump shafts, seawater valves, and offshore equipment, thanks to their remarkable saltwater resistance. The chemical and petrochemical sectors depend on them for heat exchangers, processing equipment, and reactor components that come into contact with corrosive substances. Additionally, they are utilized in oil and gas production, aerospace assemblies, and power generation systems where high strength and temperature stability are crucial. Their durability and reliability make them an excellent option for critical industrial 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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