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Technical Data Sheet
Alloy 400 (UNS N04400) is a nickel-copper alloy with high strength (comparable to structural steel) and toughness. Alloy 400 also has excellent corrosion resistance in a range of media including seawater, hydrofluoric acid, sulphuric acid and alkalis. Used for marine engineering, chemical, hydrocarbon processing equipment, and heat exchangers.
| Chemical Composition Limits | |||||||
| Weight % | Ni | Cu | Fe | Mn | C | S | Si |
| Nickel 400 Tube | 63.0 min | 28-34 | 2.50 max | 2 max | 0.30 max | 0.024 max | 0.50 max |
Typical Mechanical Properties
| Material | Tensile Strength MPa | Yield Strength (0.2% Offset) MPa | Elongation (%) | Hardness Rockwell B |
| Alloy 400 Tube | 482-586 | 172-310 | 50-35 | 75 max |
Availability
Alloy 400 is available in Instrument tube, Precision tube and Hydraulic tube. Alloy 400 can also be supplied in Coiled Tube with a seamless and welded execution. For all stock availability contact Sales.
Alloy 400 Tube is available the following size ranges.
Outside Diameter - 0.25mm (0.010") up to 16.00mm (0.625")
Wall - 0.05mm (0.002") up to 1.00mm (0.040")
Straight Lengths - 1.00mm (0.040") up to 5000.00mm (197")
Coils Lengths - 5 Metres to 15 Metres
Standard Tolerance- OD &ID +/-0.03mm (0.0012")
Wall +/- 10%
Tight Tolerance - OD&ID +/- 0.015mm (0.0006")
Wall +/-3%
Some thin wall tubes up to 25.40 mm (1.000") can be supplied.
Specifications
Alloy 400 (UNS N04400)
ASTM B165
AMS 4574
AMS 4575
DIN 17751
Tradename Monel 400
