Alloy 400 (Monel 400) Nickel-Copper Alloy
Alloy 400
Sourced upon request
- EN2.4360
- ENNiCu30Fe
- UNSN04400
- TicariMonel® 400
Nickel-copper solid-solution alloy. High corrosion resistance in seawater, hydrofluoric acid and alkaline media; used from −250 °C to 480 °C. Not hardenable by heat treatment.
01Material Properties
- High resistance in seawater and brines
- Resistance to hydrofluoric acid and fluorine compounds
- Good toughness and ductility, including cryogenic
- Strengthened by cold working
- Slightly magnetic
02Applications
- Seawater pumps, valves and shafts
- Heat exchangers and condenser tubes
- Chemical process equipment (HF)
- Oil refinery parts
- Marine fasteners
03Delivery Condition
- Annealed or cold drawn; bar, plate, sheet, tube.
04Heat Treatment
Typical values
- Annealing
- 870–980 °C; rapid cooling
- Stress relieving
- 540–650 °C, 1–3 h
- Hardening
- Not hardenable by heat treatment; cold work
- Post-weld
- No heat treatment required
Heat treatment cycle (schematic)
Values are approximate and for information only; they vary with section size, heat and furnace conditions. Binding values are determined from the manufacturer’s data under laboratory conditions.
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