Chemical composition
Nominal: mid-range where both limits are given, the cap where only a maximum is, balance takes the remainder. Exact specified ranges below.
| Element | Name | Content % | |
|---|---|---|---|
| Main elements3 elements | |||
| Ni | Nickel | ≥ 63% | |
| Cu | Copper | 28 – 34% | |
| S | Sulphur | 0.025 – 0.06% | |
| Element | Name | Content % | |
|---|---|---|---|
| Minor & residual4 elements | |||
| Fe | Iron | ≤ 2.5% | |
| Mn | Manganese | ≤ 2% | |
| C | Carbon | ≤ 0.3% | |
| Si | Silicon | ≤ 0.5% | |
Mechanical minima by form
Guaranteed values differ by form, size and delivery condition; quotations confirm the specification, form, size and condition.
| Form | Condition | Rm MPa | Rp0.2 MPa | A ≥ % |
|---|---|---|---|---|
| Bar and forgings | ||||
| Round bar | Cold worked or stress relieved, 12.7–76.2 mm | ≥ 585 (85 ksi) | ≥ 345 (50 ksi) | ≥ 15 |
| Bar | Hot-worked, rounds ≤76.2 mm or hexagons/squares ≤54 mm | ≥ 517 (75 ksi) | ≥ 241 (35 ksi) | ≥ 30 |
| Bar | Annealed after hot or cold working, all sizes | ≥ 480 (70 ksi) | ≥ 170 (25 ksi) | ≥ 35 |
| Wire and filler metals | ||||
| Coiled wire | Annealed | ≥ 483 (70 ksi) | — | — |
Where this grade is recommended
Matched in 2 service conditions; ranks and scores computed from the condition-scoring matrix.
| Service condition | Industry | Temperature | Rank | Score |
|---|---|---|---|---|
| Hydrofluoric acid | Chemical Processing | 50 – 100 °C | 2 / 6 | 88 |
| Shafts, fasteners & propulsion | Marine & Offshore | ≤ 40 °C | 7 / 7 | 78 |
Designations & equivalents
| W.Nr. (Germany) | ≈ 2.4360 |
| EN designation | ≈ NiCu30Fe |
| Trade name(s) | Monel R-405 |
| ASTM / AISI | B164 (covers R-405) |
Cross-references are common near-equivalents for search and shortlisting; substitution across standards requires clause-by-clause verification. All grades in one cross-reference table →
Applicable standards
Name the standard and its edition on the order.
Frequently asked questions
What is Alloy R-405 · UNS N04405?
Alloy R-405 · UNS N04405 — Ni corrosion-resistant. Free-machining Monel for automatic screw-machine parts
What is the maximum service temperature of N04405?
Typically about 480 °C; the practical limit depends on media, stress and design life — acceptance per the governing standard.
What is the tensile strength of N04405?
The specified minimum tensile strength is 585 MPa for the main product form. Minima for other forms and sizes are listed under "Mechanical minima by form" on this page.
Which standards cover N04405?
ASTM B164
Where is N04405 typically used?
Hydrofluoric acid (Chemical Processing); Shafts, fasteners & propulsion (Marine & Offshore)
In which forms is N04405 available?
Tube, plate, strip, bar, forgings, wire and other forms — sizes and delivery condition confirmed per order, with EN 10204 3.1 / 3.2 certification.
Same series
Download PDF datasheet
This grade’s datasheet as an A4 PDF — for filing, printing or forwarding to colleagues.
Download PDF datasheetSupply & enquiry
Tube & pipeφ1 – 219 × 0.25 – 25 mm
Plate4.76 – 80 mm
Barφ8 – 300 mm
Wire & filler metalsφ0.01 – 8 mmFor this grade we can supply, against your service conditions:
- Tube, plate, strip, bar, forgings, wire and more — with size range and lead time
- Chemistry and mechanical test report (EN 10204 3.1 / 3.2)
- Like-for-like alternatives and selection advice
- Applicable standards and inspection scope
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