Monel 405

Do you need custom fasteners created with Monel™ 405? Since our inception, Elgin Fastener Group has met every challenge of providing Quality, Timely, Cost-effective solutions for specialty fastener applications. Every product is built to your specifications, using your prints if necessary.

Below are the technical specifications of the Monel™ 405 Bar Stock we have available to meet your needs.

Special Metals MONEL™ Alloy 450

Subcategory: Copper Alloy; Metal; Nickel Alloy; Superalloy Key Words: ASME SB-111, SB-171, SB-359, SB-395, SB-466, SB-467, SB-543, Boiler Code Sections III, IV, VIII, IX; SAE J461, J463, MIL-T-15005, MIL-C-15726, MIL-T-16420, MIL-T-22214, Monel Nickel-Copper Alloy, UNS C71500; CDA 715; ASTM B 111, B 122, B 151, B 171, B 359, B 395, B 432, B 466, B 467, B 543, B 552

Component Wt. %
Cu 66
Fe 0.4 – 1
Mn Max 1
Ni 29 – 33
P Max 0.02
Pb Max 0.05
S Max 0.02
Zn Max 1

Material Notes: Nickel content above includes cobalt; copper content as remainder. A copper-nickel alloy of the 70-30 type having superior weldability. It is resistant to corrosion and bio-fouling in sea water, has good fatigue strength, and has relatively high thermal conductivity. Used for sea-water condensers, condenser plates, distiller tubes, evaporator and heat exchanger tubes, and salt-water piping. Standard product forms are round, hexagon, flats, forging stock, pipe, tube, plate, sheet, and wire.

Data provided by the manufacturer, Special Metals.

Physical Properties Metric English Comments
Density 8.91 g/cc 0.322 lb/in³
Mechanical Properties
Tensile Strength, Ultimate 385 MPa 55800 psi Annealed. Value at room temperature. Value at 425°C is 280 MPa.
Tensile Strength, Yield 165 MPa 23900 psi Annealed. Value at room temperature; 0.2% offset. Value at 425°C is 100 MPa.
Elongation at Break 56 % 56 % Annealed. Value at room temperature. Value at 425°C is 40%.
Electrical Properties
Electrical Resistivity 4.12e-005 ohm-cm 4.12e-005 ohm-cm
Thermal Properties
CTE, linear 20°C 15.5 µm/m-°C 8.61 µin/in-°F 20-100°C
Heat Capacity 0.38 J/g-°C 0.0908 BTU/lb-°F
Thermal Conductivity 29.4 W/m-K 204 BTU-in/hr-ft²-°F
Melting Point 1170 – 1240 °C 2140 – 2260 °F
Solidus 1170 °C 2140 °F
Liquidus 1240 °C 2260 °F