Inconel 718 Belleville Washers
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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.

Inconel 718 Belleville Washers
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Diameter Belleville Type Outside Diameter Thickness Height Load Rating Item # Availability Price Quantity UOM
#6 Light 0.2810 0.0200 0.0320 150 WBEL006L21718 5-7 Working Days $0.70092/EA EA
#8 Light 0.3440 0.0250 0.0450 250 WBEL008L26718 5-7 Working Days $0.60723/EA EA
#10 Light 0.4060 0.0300 0.0480 325 WBEL010L31718 5-7 Working Days $1.58153/EA EA
1/4 Light 0.5630 0.0400 0.0640 615 WBEL025L42718 5-7 Working Days $2.27408/EA EA
5/16 Light 0.6880 0.0500 0.0630 1000 WBEL031L52718 5-7 Working Days $2.59902/EA EA
3/8 Flange 0.7140 0.0800 0.0880 2900 WBEL037F80718 5-7 Working Days $5.3051/EA EA
1/2 Light 1.0630 0.0770 0.0930 2300 WBEL050L80718 5-7 Working Days $8.21678/EA EA
1/2 Flange 0.9000 0.1250 0.1330 6500 WBEL050F125718 5-7 Working Days $10.32156/EA EA
5/8 Medium 1.5000 0.1250 0.1510 6000 WBEL062M125718 5-7 Working Days $17.28068/EA EA
5/8 Extra Heavy 2.0000 0.1550 0.1990 8700 WBEL062EH150718 5-7 Working Days $28.82142/EA EA
3/4 Light 1.5000 0.1250 0.1470 6200 WBEL075L112718 5-7 Working Days $18.64404/EA EA
3/4 Flange 1.3700 0.1250 0.1420 6300 WBEL075F125718 5-7 Working Days $14.25978/EA EA
3/4 Heavy 2.0000 0.1550 0.1980 9700 WBEL075H150718 5-7 Working Days $42.6384/EA EA
M5 Light 10.3124 mm 0.7620 mm 1.0668 mm 1668 N WBELM05-L-.80-718 5-7 Working Days $0.46562/EA EA