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Model No: AMS 4675 Monel 400 Bars
AMS4675 67Ni-30Cu Corrosion Resistant Alloy Bars
AMS 4675 is a specification for Monel 400 Bars & Forgings. This specification covers Monel 400 corrosion-resistant nickel-copper alloy in the form of bars, forgings, and forging stock.
Delivery :
FOB
minimum order :
100 kilograms
Supply Ability :
5000Tonkilograms / Month
Stock Time :
7-10Day
Country of Origin :
CHINA
Quantity :
AMS4675 is a specification for 67Ni-30Cu Bars & Forgings. This specification covers 67Ni-30Cu(Monel 400) corrosion-resistant nickel-copper alloy in the form of bars, forgings, and forging stock.
The Monel 400 alloy is also known as super alloy monel. This alloy is available in some standard shapes such as hexagon, round, tube, pipe, plate, strip, sheet and wire.This alloy exhibits good corrosion resistance.
67Ni-30Cu Corrosion Resistant Alloy 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
Chemical Composition
| Element | Content (%) |
|---|---|
| Nickel, Ni | Remainder |
| Copper, Cu | 28-34 |
| Iron, Fe | 2.5 max |
| Manganese, Mn | 2 max |
| Silicon, Si | 0.5 max |
| Carbon, C | 0.3 max |
| Sulphur, S | 0.024 |
Physical Properties
| Properties | Metric | Imperial |
|---|---|---|
| Density | 8.8 gm/cm3 | 0.318 lb/in3 |
Mechanical Properties
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength(annealed) | 517-620 MPa | 75-90 ksi |
| Yield strength | 172-345 MPa | 25-50 ksi |
| Modulus of elasticity | 179 GPa | 26000 ksi |
| Poisson’s ratio | 0.32 | 0.32 |
Machinability
The machinability of MONEL 400 is difficult as it work-hardens during machining. The conventional machining techniques used on iron alloys may be used for this alloy.
Welding
Welding methods including gas-arc welding, metal-arc welding, gas-metal-arc welding and submerged-arc welding are recommended on this alloy.
Forging
Forging of this alloy is to be done by controlled procedures.
Hot working
Hot working on this alloy needs to be done by choosing proper temperatures. Typical temperatures for hot working range between 648-1176°C (1200-2150°F).
Cold working
Cold working may be done using soft die materials for better finishing.
Annealing
MONEL 400 alloy may be annealed at 926°C (1700°F).
Applications
The MONEL 400 alloy is used in the following applications:
Marine fixtures, pumps, valves and piping systems for sea water applications
- Chemical plant equipment
- Frames for eyeglasses
- Aerospace applications
- Musical instruments.
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