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Monel K500 plain Washer

  • Material:Monel K500
  • production:plain washer

PRODUCT DESCRIPTION

Monel K500 Hex Bolt nut washer

 

In the most basic terms INCONEL® is a nickel-chromium alloy whereas MONEL® is a nickel-copper alloy. Both metals are commonly used in applications with extreme heat, high temperature corrosion, and generally severe conditions. ... There are various other MONEL® and INCONEL® alloys which may be more suitable to your needs.

 

It is commonly used in applications with highly corrosive conditions. Small additions of aluminium and titanium form an alloy (K-500) with the same corrosion resistance but with much greater strength due to gamma prime formation on aging. Monel is typically much more expensive than stainless steel.


Monel is used for marine engineering, chemical and hydrocarbon processing equipment, valves, pumps, shafts, fittings, fasteners, and heat exchangers. It is also used as part of metal instruments and frames of eyeglasses.

 

Monel” refers to a group of nickel alloys that provide enhanced capabilities to withstand conditions that other materials cannot. Monel rivets are commonly found in aerospace, marine, and oil and gas production/refinery applications, as well as in high end musical instruments, among other uses.

 

Grade Designation

 

STANDARD WERKSTOFF NR. UNS JIS AFNOR BS GOST EN
Monel 400 2.4360 N04400 NW 4400 NU-30M NA 13 МНЖМц 28-2,5-1,5 NiCu30Fe
Monel K500 2.4375 N05500 - - - - -

 

Chemical Composition
         
     

Typical compositional ranges for Monel  Alloy Fasteners

 

Designation
Cu %
Al %
Ti %
Fe %
Mn %
Si %
Ni %
Monel 400
28-34
-
-
2.5 max.
2.0 max.
-
63 min.
Monel K-500
27-33
2.3-3.15
0.35-0.85
2.0 max.
1.5 max.
-
63 min.

 

Mechanical Properties
         
     

Typical mechanical properties for Monel  Alloy Fasteners

 


     

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


     

 

Common Grades of Monel Fasteners

 

Monel 400 Fasteners

A nickel-copper alloy with high strength and excellent corrosion resistance in a range of media including sea water, hydrofluoric acid, sulfuric acid, and alkalies. Used commonly in marine engineering, chemical and hydrocarbon processing applications.

 

Monel K-500 Fasteners

A precipitation-hardenable nickel-copper alloy that combines the corrosion resistance of Monel alloy 400 with greater strength (over 2x as strong) and hardness. It also has low permeability and is nonmagnetic to temperatures as low as -150°F (-101°C).

 

Flat and lock washers are two of the most common types of washers. A flat washer is a basic washer that's flat on both sides. A lock washer is a semi-coiled washer that's used to secure bolts in place

 

When used correctly, a lock washer will hold the nut or other threaded fastener in place. To help it accomplish this, put the lock washer on first, below the fastener. If your project calls for other washers or hardware elements, they should go on before the lock washer so that it can hold them in place.

 


 

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