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ASME SB163 Monel 400 (N04400) Nickel Alloy Tube Embedded G Type Embeded Fin Tube
Corrosion resistance:
The corrosion resistance of Monel400 is generally better than
nickel copper, it is more resistant to the corrosion of reducing
media than pure nickel, and is more resistant to the corrosion of
oxidation media than pure copper, and has very good corrosion
resistance to sulfuric acid, phosphoric acid and carbon. In
particular, it is resistant to the corrosion of hydrochloric acid
and has excellent corrosion resistance to hot concentrated alkali.
Monel400 alloy has excellent corrosion resistance in fluorine gas,
hydrochloric acid, sulfuric acid, hydrofluoric acid and their
derivatives. At the same time, it is more resistant to corrosion in
seawater than copper-based alloys. Monel400 is a deformable
nickel-copper nickel-based alloy with good seawater corrosion
resistance and chemical corrosion resistance, and strong resistance
to chloride stress corrosion cracking. This alloy is one of the few
alloys that can be used in fluoride. It has good oxide resistance
in hydrofluoric acid and fluorine gas medium
Tube Chemical Composition
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
| Monel 400 | 0.30 max | 2.00 max | 0.50 max | 0.24max | 28.0-34.0 | 2.50 max | 63.00 min | – |
Tube Mechanical Properties
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Monel 400 | 8.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80,000 , MPa – 550 | Psi – 35,000 , MPa – 240 | 40 % |
Tube Physical Properties
| Properties | Metric | Imperial |
|---|---|---|
| Density | 8.8 gm/cm3 | 0.318 lb/in3 |
Tube Pressure Rating
Tube O.D. | Wall Thickness of Tube (inches) | |||||||
|---|---|---|---|---|---|---|---|---|
| .028 | .035 | .049 | .065 | .083 | .095 | .109 | .120 | |
| Working Pressure (psig) | ||||||||
| 1/8 | 7900 | 10100 | ||||||
| 1/4 | 3700 | 4800 | 7000 | 9500 | ||||
| 5/16 | 3700 | 5400 | 7300 | |||||
| 3/8 | 3100 | 4400 | 6100 | |||||
| 1/2 | 2300 | 3200 | 4400 | |||||
| 3/4 | 2200 | 3000 | 4000 | 4600 | ||||
| 1 | 2200 | 2900 | 3400 | 3900 | 4300 | |||
Monel 400 Application areas of application are:
1. Seamless water pipes and steam pipes in power plants
2. Seawater exchangers and evaporators
3. Sulfuric acid and hydrochloric acid environment
4. Crude oil distillation
5. Use the pump shaft and propeller of the equipment in seawater
6. The nuclear industry uses equipment for uranium extraction and
isotope separation
7. Manufacture pumps and valves for hydrochloric acid production
equipment
8. Marine and chemical processing equipment
9. Valves, pumps, propeller shafts
10. Gasoline and clean water tank
11. Processing containers and pipes
12. Heat exchanger
Monel 400 Typical engineering applications:
1. Water supply and steam generator piping system of power station;
2, the theme of the heater and evaporator of the salt plant;
3, sulfuric acid and hydrofluoric acid alkylation device;
4, industrial heat exchanger;
5. Composite plate in crude oil distillation unit;
6, offshore installation of the wave cover;
7. Shaft of propeller and pump in seawater system;
8. Uranium and isotope separation systems in nuclear fuel production;
9. Pumps and valves in hydrocarbon chlorination production;
10. MEA reboiler pipeline.
