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Inconel 718 Belleville Washers

Belleville washers are unique, conical shaped washers recommended for use in problematic or critical bolting applications. Their conical shape affords a high spring rate over a short deflection to retain the proper bolting stress in a variety of conditions. The loss of a sound bolted connection can lead to fugitive emissions, cause equipment failure, or catastrophic events. Belleville washers can eliminate bolted joint failures due to a variety of causes:

High-temperature bolt yield
Differential thermal expansion
Packing or gasket relaxation or creep
Vibration
Thermal cycling
High cycle applications

Inconel 718 is a versatile, high strength nickel base super alloy suitable for applications from cryogenic temperatures up to and beyond 1000 degrees F. It possesses extremely high yield strength, tensile strength, and creep-rupture properties. Inconel 718 is typically chosen for Bellevilles that must perform in challenging operating conditions.

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Mechanical Properties
Chemical Properties
Dimensional Specifications

Dimensional Specifications

Dimensional SpecificationsInconel 718 Belleville Washer

Inconel 718 Belleville Washer dimensions

STS Part Number	Diameter	Belleville Type	Raw Material	ID	OD	T	H	h	Load Rating	Load Rating lbs or N
STS Part Number	Diameter	Belleville Type	Raw Material	ID	OD	Thickness	Height	Deflection	Load Rating	Load Rating lbs or N
WBEL006L21718	#6	Light	Inconel 718	0.1420	0.2810	0.0200	0.0320	0.0050	150	lbs
WBEL008L26718	#8	Light	Inconel 718	0.1680	0.3440	0.0250	0.0450	0.0060	250	lbs
WBEL010L31718	#10	Light	Inconel 718	0.1960	0.4060	0.0300	0.0480	0.0070	325	lbs
WBEL025L42718	1/4	Light	Inconel 718	0.2580	0.5630	0.0400	0.0640	0.0110	615	lbs
WBEL031L52718	5/16	Light	Inconel 718	0.3220	0.6880	0.0500	0.0630	0.0130	1000	lbs
WBEL037F80718	3/8	Flange	Inconel 718	0.3860	0.7140	0.0800	0.0880	0.0080	2900	lbs
WBEL050L80718	1/2	Light	Inconel 718	0.5150	1.0630	0.0770	0.0930	0.0160	2300	lbs
WBEL050F125718	1/2	Flange	Inconel 718	0.5150	0.9000	0.1250	0.1330	0.0080	6500	lbs
WBEL062M125718	5/8	Medium	Inconel 718	0.6440	1.5000	0.1250	0.1510	0.0260	6000	lbs
WBEL062EH150718	5/8	Extra Heavy	Inconel 718	0.6440	2.0000	0.1550	0.1990	0.0430	8700	lbs
WBEL075L112718	3/4	Light	Inconel 718	0.7730	1.5000	0.1250	0.1470	0.0220	6200	lbs
WBEL075F125718	3/4	Flange	Inconel 718	0.7730	1.3700	0.1250	0.1420	0.0170	6300	lbs
WBEL075H150718	3/4	Heavy	Inconel 718	0.7730	2.0000	0.1550	0.1980	0.0420	9700	lbs
WBEL112F200718	1 1/8	Flange	Inconel 718	1.1550	2.0250	0.1930	0.2260	0.0240	15400	lbs
WBELM05-L-.80-718	M5	Light	Inconel 718	5.2070 mm	10.3124 mm	0.7620 mm	1.0668 mm	0.1524 mm	1668	N

Inconel 718 Belleville Washers

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Diameter Belleville Type Outside Diameter Thickness Height Load Rating Item # Availability Price Quantity UOM

Light

0.2810

0.0200

0.0320

150

WBEL006L21718

5-7 Working Days

$0.91085/EA

See Quantity Discounts

#6 LIGHT BELLEVILLE WASHER 06L21718, INCONEL 718

$0.91085/EA

Qty

5-7 Working Days

Product Detail

Quantity	Price
Quantity	Price
1	$0.91085/EA

Light

0.3440

0.0250

0.0450

250

WBEL008L26718

In Stock

$2.59646/EA

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#8 LIGHT BELLEVILLE WASHER 08L26718, INCONEL 718

$2.59646/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$2.59646/EA

#10

Light

0.4060

0.0300

0.0480

325

WBEL010L31718

In Stock

$2.05524/EA

See Quantity Discounts

#10 LIGHT BELLEVILLE WASHER 010L31718, INCONEL 718

$2.05524/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$2.05524/EA

1/4

Light

0.5630

0.0400

0.0640

615

WBEL025L42718

In Stock

$2.95515/EA

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1/4'' LIGHT BELLEVILLE WASHER 4L42718, INCONEL 718

$2.95515/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$2.95515/EA

5/16

Light

0.6880

0.0500

0.0630

1000

WBEL031L52718

In Stock

$3.37743/EA

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5/16'' LIGHT BELLEVILLE WASHER 5L52718, INCONEL 718

$3.37743/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$3.37743/EA

3/8

Flange

0.7140

0.0800

0.0880

2900

WBEL037F80718

5-7 Working Days

$6.89405/EA

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3/8'' BELLEVILLE FLANGE WASHER 6F80718, INCONEL 718

$6.89405/EA

Qty

5-7 Working Days

Product Detail

Quantity	Price
Quantity	Price
1	$6.89405/EA

1/2

Light

1.0630

0.0770

0.0930

2300

WBEL050L80718

5-7 Working Days

$7.22777/EA

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1/2'' LIGHT BELLEVILLE WASHER 8L80718, INCONEL 718

$7.22777/EA

Qty

5-7 Working Days

Product Detail

Quantity	Price
Quantity	Price
1	$7.22777/EA

1/2

Flange

0.9000

0.1250

0.1330

6500

WBEL050F125718

5-7 Working Days

$13.41279/EA

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1/2'' BELLEVILLE FLANGE WASHER 8F125718, INCONEL 718

$13.41279/EA

Qty

5-7 Working Days

Product Detail

Quantity	Price
Quantity	Price
1	$13.41279/EA

5/8

Medium

1.5000

0.1250

0.1510

6000

WBEL062M125718

In Stock

$22.45631/EA

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5/8'' MED BELLEVILLE WASHER 10M125718, INCONEL 718

$22.45631/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$22.45631/EA

5/8

Extra Heavy

2.0000

0.1550

0.1990

8700

WBEL062EH150718

5-7 Working Days

$37.45346/EA

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5/8'' XHVY BELLEVILLE WASHER 10EH150718, INCONEL 718

$37.45346/EA

Qty

5-7 Working Days

Product Detail

Quantity	Price
Quantity	Price
1	$37.45346/EA

3/4

Light

1.5000

0.1250

0.1470

6200

WBEL075L112718

5-7 Working Days

$24.22805/EA

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3/4'' LIGHT BELLEVILLE WASHER 12L112718, INCONEL 718

$24.22805/EA

Qty

5-7 Working Days

Product Detail

Quantity	Price
Quantity	Price
1	$24.22805/EA

3/4

Flange

1.3700

0.1250

0.1420

6300

WBEL075F125718

5-7 Working Days

$15.8355/EA

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3/4'' BELLEVILLE FLANGE WASHER 12F125718, INCONEL 718

$15.8355/EA

Qty

5-7 Working Days

Product Detail

Quantity	Price
Quantity	Price
1	$15.8355/EA

3/4

Heavy

2.0000

0.1550

0.1980

9700

WBEL075H150718

5-7 Working Days

$55.40859/EA

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3/4'' HVY BELLEVILLE WASHER 12H150718, INCONEL 718

$55.40859/EA

Qty

5-7 Working Days

Product Detail

Quantity	Price
Quantity	Price
1	$55.40859/EA

Light

10.3124 mm

0.7620 mm

1.0668 mm

1668 N

WBELM05-L-.80-718

5-7 Working Days

$2.22804/EA

See Quantity Discounts

M5 LIGHT BELLEVILLE WASHER M5-L-.80-718, INCONEL 718

$2.22804/EA

Qty

5-7 Working Days

Product Detail

Quantity	Price
Quantity	Price
1	$2.22804/EA

Material	Tensile Strength, Ultimate (1)	Tensile Strength, Yield (2)	Elongation at Break (3)

Inconel 718
Imperial	199000 psi	160000 psi	25%
Metric	1375 MPa	1100 MPa	25%

Material	Carbon	Manganese	Phosphorus	Sulfur	Silicon	Chromium	Nickel	Molybdenum
	0.08 max	0.35 max	0.015 max	0.015 max	0.35 max	17-21	50-55	2.80 - 3.30
	Columbium	Titanium	Aluminum	Cobalt	Boron	Copper	Tantalum	Iron
Inconel 718	4.75 - 5.50	0.65 - 1.15	0.20 - 0.80	1.00 max	0.006 max	0.30 max	0.05 max	Balance

Inconel 718 Belleville Washers

Technical Data

Mechanical Properties

Mechanical PropertiesInconel 718

Chemical Properties

Chemical PropertiesInconel 718

Dimensional Specifications

Dimensional SpecificationsInconel 718 Belleville Washer

Diameter

Thickness

Load Rating

Use

Outside Diameter

Inch or Metric

Inside Diameter

#6 LIGHT BELLEVILLE WASHER 06L21718, INCONEL 718

#8 LIGHT BELLEVILLE WASHER 08L26718, INCONEL 718

#10 LIGHT BELLEVILLE WASHER 010L31718, INCONEL 718

1/4'' LIGHT BELLEVILLE WASHER 4L42718, INCONEL 718

5/16'' LIGHT BELLEVILLE WASHER 5L52718, INCONEL 718

3/8'' BELLEVILLE FLANGE WASHER 6F80718, INCONEL 718

1/2'' LIGHT BELLEVILLE WASHER 8L80718, INCONEL 718

1/2'' BELLEVILLE FLANGE WASHER 8F125718, INCONEL 718

5/8'' MED BELLEVILLE WASHER 10M125718, INCONEL 718

5/8'' XHVY BELLEVILLE WASHER 10EH150718, INCONEL 718

3/4'' LIGHT BELLEVILLE WASHER 12L112718, INCONEL 718

3/4'' BELLEVILLE FLANGE WASHER 12F125718, INCONEL 718

3/4'' HVY BELLEVILLE WASHER 12H150718, INCONEL 718

M5 LIGHT BELLEVILLE WASHER M5-L-.80-718, INCONEL 718