Designated as UNS N04405, Monel R-405 (also known as “Alloy
R-405”), is a nickel-copper alloy and the free-machining version of
Monel 400. Monel® R-405 is a nickel-copper alloy created and
manufactured by Special Metals, also known as UNS N04405, it is
part of the Monel family of superalloys. We are a professional
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Chemical Requirements |
| Ni | Cu | Fe | S | Mn | C | Si |
Max | | 34 | 2.5 | 0.06 | 2 | 0.3 | 0.5 |
Min | 63 | 28 | | 0.025 | | | |
Mechanical Property Requirements |
| Ultimate Tensile | Yield Strength (0.2% OS) | Elong. in 2 in. or 50mm (or 4D) min. % | R/A | Hardness |
Cold Worked/SR |
Min | 85 KSi | 50 KSi | 15 | | |
Max | | | | | |
Min | 585 MPa | 345 KPa | | | |
Max | | | | | |
Hot Worked/SR |
Min | 75 KSi | 35 KSi | 30 | | |
Max | | | | | |
Min | 517 MPa | 241 MPa | | | |
Max | | | | | |
Specifications |
Form | Standard |
Metal Type | UNS N04405 |
Bar | ASTM B164 QQ-N-281 |
Wire | |
Sheet | ASTM B127 QQ-N-281 |
Plate | ASTM B127 QQ-N-281 |
Fitting | – |
Forging | ASTM B564 |
Weld Wire | – |
Weld Electrode | FM 190/ ENiCu-7 |