High quality Monel 400 UNS N04400 seamless tube
Density:8.83g/cm3
Rigidity:HB 160-280
Melting point:1300-1390℃
Tensile strength:480Rm N/mm2
Yield strength:170RP0.2N/mm2
Elogation:35 A5%
National standards:
MONEL400,ASTM B127,ASME SB-127,AMS 4554,JIS NW4400 US UNS:N04400
German DIN:NiCu30
China GB/T:MCu-28-1.5-1.8
British BS:NA 12
Chemical Composition:65Ni-32Cu-1Fe-0.1C
Microstructure:
Monel 400 is a solid-solution binary alloy.As nickel and copper are mutually soluble in all propertions.
It is a singlephase alloy.It has a face-centered cubic lattice structure with a lattice parameter of 30534A.


Monel 400 characteristics
Resistant to seawater and steam at high temperatures
Excellent resistance to rapidly flowing brackish water or seawater
Excellent resistance to stress corrosion cracking in most freshwaters
Particularly resistant to hydrochloric and hydrofluoric acids when they are de-aerated
Offers some resistance to hydrochloric and sulfuric acids at modest temperatures and concentrations, but is seldom the material of choice for these acids
Excellent resistance to neutral and alkaline salt
Resistance to chloride induced stress corrosion cracking
Good mechanical properties from sub-zero temperatures up to 1020° F
High resistance to alkalis
N04400 Chemical Composition
Alloy | % | Ni | Cu | Fe | C | Mn | Si | S |
N04400 | Min. | 63 | 28 | |||||
Max. | 34 | 2.5 | 0.3 | 2 | 0.5 | 0.024 |
N04400 Physical properties
Density | 8.83 g/cm³ |
Melting point | 1300-1390 °C |
N04400 Alloy minimum mechanical properties in the room temperature
Alloy state | Tensile strength | Yield strength | Elongation |
N04400 | 480 | 170 | 35 |
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