R405 is a nickel-copper-alloy. This 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 manchine stock an no other applications.
Standard Inventory Specifications
- UNS N04405
- ASTM B 164
Common Trade Names
- MONEL Alloy R-405™ (Special Metals Corporation Group)
Inventory Size Range
- Hex Bar : 0.687" - 2.750"
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The technical data provided is for information only and not for design purposes. It is not warranted or guaranteed.
For a deeper understanding of the difference between 17-4 PH and 17-7 PH precipitation hardening alloys, request our white paper on the topic.
Physical Properties of R405 Bar
- Density, g/cm³ - 8.80
- Density, lb/in³ - 0.318
- Melting Range °F - 2370-2460
- Melting Range °C - 1300-1350
- Modules of Elasticity, 10³ ksi
- Tension - 26.0
- Compression - 26.0
- Torsion - 9.5
- Poisson's Ration - 0.32
- 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|