Monel 400 Forgings are expertly crafted components made from a unique nickel-copper alloy that stands out for its impressive resistance to seawater, alkaline solutions, and various corrosive environments. These forgings are created using techniques like open-die, closed-die, and ring rolling, which ensure top-notch mechanical integrity and a finely tuned grain structure. Monel 400 Forgings are known for their excellent thermal stability, high strength, and remarkable toughness across a broad temperature range, making them a go-to choice for demanding industrial applications. Their durability and resistance to corrosion make them especially well-suited for marine, chemical, oil and gas, and aerospace settings where reliability is a must.
Monel 400 is mainly made up of about 63% nickel and 28–34% copper, along with trace amounts of iron, manganese, carbon, and silicon. This solid-solution alloy offers outstanding resistance to seawater corrosion, as well as to acidic and alkaline environments, and it effectively combats stress-corrosion cracking. Monel 400 Forgings boast excellent mechanical properties, including high tensile strength, good ductility, and toughness even in sub-zero temperatures. They also feature low magnetic permeability, good weldability, and exceptional resistance to pitting and erosion, making them highly reliable in both static and high-flow situations.
Specifications ASTM B564 / ASME SB564
Flat bar blocks up to 27″ width and 15,000 lbs.
Cylinders and sleeves up to 50″ maximum O.D. and 65″ maximum length
Discs and hubs up to 50″ diameter and 20,000 lbs.
Rolled, hand forged or mandrel forged rings up to 84″ maximum O.D. and 40″ maximum length
Rounds, shafts and step shafts up to 144″ maximum length and 20,000 lbs.
Grades Monel 400 Forging UNS (N04400), DIN (2.4360)
| Grade | Ni | C | Al | Mn | Si | Fe | Cu | S |
| Monel 400 | 63.0 min | 0.3 max | 0.50 max | 2.0 max | 0.5 max | 1.0 – 2.5 | 28.0 – 34.0 | 0.02 max |
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 8.8 g/cm3 | 1350 °C (2460 °F) | Psi – 35,000 , MPa – 240 | Psi – 80,000 , MPa – 550 | 40 % |
| Density | Melting Range | Curie Temperature | Electricity Resistivity | |||
| g/cm3 | lb/in3 | °F | °C | °F | °C | µΩ·m |
| 8.8 | 0.318 | 2370-2460 | 1300-1350 | 70-120 | 21-49 | 547 |
| STANDARD | UNS | WNR. | AFNOR | EN | JIS | BS | GOST |
| Monel 400 | N04400 | 2.4360 | NU-30M | NiCu30Fe | NW 4400 | NA 13 | МНЖМц 28-2,5-1,5 |
Temperature control is crucial in forging Monel 400, ensuring optimal mechanical properties, preventing defects, and maintaining its corrosion resistance and strength. Proper control minimizes cracking and enhances overall quality.
Assess Monel 400's forging strength for aerospace by evaluating its tensile strength, yield strength, and fatigue resistance under simulated operating conditions. Conduct tests for thermal stability and corrosion resistance to ensure suitability.
Evaluate Monel 400 forgings by checking their mechanical properties, corrosion resistance, and compatibility with your operating environment. Review certifications, standards, and conduct application-specific testing for assurance.
Monel 400 Forgings find their place in various environments where high strength and corrosion resistance are essential. In marine engineering, they are used in pump shafts, valve bodies, propeller components, and equipment that handles seawater. In the chemical processing sector, they are employed for parts in heat exchangers, reactor components, and fittings that come into contact with aggressive chemicals. The oil and gas industry relies on Monel 400 Forgings for drilling collars, downhole tools, and equipment designed for sour-gas service. In aerospace, they are utilized for fasteners, structural hardware, and critical components that require consistent performance.
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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