R405 Hex Bar - UNS N04405 - Monel 405™ Equivalent
Monel R-405™ is a nickel-copper-alloy. This high strength, free-machining grade of 400 has more sulfur, improving its machinability. While it maintains virtually the same corrosion resistance and physical properties as 400, it's slightly different range of mechanical properties are best recommended for screw machine stock.
Other components that may use Monel R-405™ bar stock include valve parts and fasteners used in corrosive marine and seawater applications, and this alloy is especially resistant to de-aerated hydrochloric and hydrofluoric acids. Aeration of these acids will reduce the excellent corrosion resistance found in alloy R-405™ fasteners.
Contact us here for more information on available sizes of R-405™.
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Standard Inventory Specifications
- UNS N04405
- ASTM B 164
Other industry standards we comply with:
Common Trade Names
- MONEL Alloy R-405™ (Special Metals Corporation Group)
- Alloy 405
- Alloy R-405
Common Applications of R405
- Automatic screw machine stock
|Element||Percent by Weight|
|Ni||Nickel||(Plus Cobalt) 63.0 min.|
|S||Sulfur||0.025 - 0.060|
|Cu||Copper||28.0 - 34.00|
Physical Properties of R405 Bar
|Melting Range °F||2370-2460|
|Melting Range °C||1300-1350|
|Modulus of Elasticity||10³ ksi|
|Curie Temperature °F||70-120|
|Curie Temperature °C||21-49|
Mechanical Properties of R405 Bar
|Condition||Tensile Strength, ksi||Yield Strength (0.2% offset) ksi||Elongation %||Hardness Brinell||Hardness Rockwell B|
|Cold Drawn, As Drawn||85-115||50-105||160-245||85-23C|
*The technical data provided is for information only and not for design purposes. It is not warranted or guaranteed.