Carbon Steel Belleville Washers
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Carbon Steel 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

Carbon Steel Belleville Washers are a common, economical solution to maintain the integrity of bolted connections in a variety of applications.

Mechanical PropertiesCarbon Steel

Material Measuring
Units
Tensile
Strength
Yield
Strength
Modulus of
Elasticity
Shear Modulus Bulk Modulus Poisson's
Ratio
Elongation
at Break
Reduction
of Area
Hardness
(typical for steel) (typical for steel) (calculated) (in 50 mm) Brinell
AISI 6150
Carbon
Steel
Imperial 97200 psi 60200 psi 27557   - 30458 ksi 11600 ksi 20300 ksi 0.27 - 0.30 23% 48.4% 197
Metric 670 MPa 415 MPa 190 - 210 GPa 80 GPa 140 GPa 0.27 - 0.30 23% 48.4% 197
AISI 1074
Carbon
Steel
Imperial 94275 psi 73244 psi 27557 - 30458 ksi 11600 ksi 23200 ksi 0.27 - 0.30 10% 40.0% 192
Metric 650 MPa 505 MPa 190 - 210 GPa 80 GPa 160 GPa 0.27 - 0.30 10% 40.0% 192

Chemical PropertiesCarbon Steel

Material % Iron % Chromium % Manganese % Carbon % Silicon % Vanadium % Sulfur % Phosphorous
AISI 6150 Carbon Steel 96.7 - 97.7 0.80 - 1.10 0.70 - 0.90 0.48 - 0.53 0.15 - 0.35 0.15 - 0.30 0.04 max 0.035 max
AISI 1074 Carbon Steel 98.3 - 98.8 - 0.50 - 0.80 0.70 - 0.80 - - 0.05 max 0.040 max

Dimensional SpecificationsCarbon Steel Belleville Washer

Carbon Steel Belleville Washer dimensions
STS Part Number Diameter Belleville
Type
Grade Finish ID OD T H h Load
Rating
Load
Rating
lbs or N
Thickness Height Deflection
WBEL025L42 1/4 Light 6150 Plated 0.2580 0.5630 0.0430 0.0680 0.0120 870 lbs
WBEL025M52 1/4 Medium 6150 Plated 0.2580 0.6880 0.0530 0.0890 0.0160 1200 lbs
WBEL025H61 1/4 Heavy 6150 Plated 0.2580 0.8130 0.0630 0.0830 0.0210 1600 lbs
WBEL025EH70 1/4 Extra Heavy 6150 Plated 0.2580 0.9380 0.0720 0.0970 0.0250 2000 lbs
WBEL031L52 5/16 Light 6150 Plated 0.3220 0.6880 0.0530 0.0850 0.0140 1300 lbs
WBEL031M61 5/16 Medium 6150 Plated 0.3220 0.8130 0.0630 0.0810 0.0190 1800 lbs
WBEL0371240NF 3/8 Standard 1074 Black 0.3800 0.7550 0.0400 0.0620 0.0180 516 lbs
WBEL037L61 3/8 Light 6150 Plated 0.3860 0.8130 0.0630 0.0780 0.0160 1800 lbs
WBEL0372062NF 3/8 Standard 6150 Black 0.3860 1.2500 0.0650 0.1700 0.0420 1880 lbs
WBEL037M70 3/8 Medium 6150 Plated 0.3860 0.9380 0.0720 0.0930 0.0210 2400 lbs
WBEL037H80 3/8 Heavy 6150 Plated 0.3860 1.0630 0.0820 0.1070 0.0250 3000 lbs
WBEL037H80PC 3/8 Heavy 6150 Black
Phos & Oil
0.3860 1.0630 0.0820 0.1070 0.0250 3000 lbs
WBEL037H80BOOC 3/8 Heavy 6150 Black
Oxide
0.3860 1.0630 0.0820 0.1070 0.0250 3000 lbs
WBEL03714-89ZN 3/8 Standard 6150 Plated 0.3900 0.8800 0.0910 0.1040 0.0140 3200 lbs
WBEL037EH89 3/8 Extra Heavy 6150 Plated 0.3860 1.1880 0.0910 0.1210 0.0300 3500 lbs
WBEL03714112NF 3/8 Standard 6150 Black 0.3800 0.8750 0.1150 0.1360 0.0120 6500 lbs
WBEL043L70 7/16 Light 6150 Plated 0.4500 0.9380 0.0720 0.0910 0.0190 2400 lbs
WBEL043H89 7/16 Heavy 6150 Plated 0.4500 1.1880 0.0910 0.1190 0.0280 3700 lbs
WBEL0501635NF 1/2 Standard 6150 Black 0.5050 1.0100 0.0350 0.0700 0.0320 450 lbs
WBEL050L42 1/2 Light 6150 Plated 0.5150 1.0630 0.0430 0.0860 0.0330 500 lbs
WBEL0502062NF 1/2 Standard 6150 Black 0.5150 1.2500 0.0650 0.1440 0.0360 1880 lbs
WBEL050L80 1/2 Light 6150 Plated 0.5150 1.0630 0.0820 0.1030 0.0210 3200 lbs
WBEL050M89 1/2 Medium 6150 Plated 0.5150 1.1880 0.0910 0.1170 0.0260 3800 lbs
WBEL050F89ZN 1/2 Flange 6150 Plated 0.5150 0.9000 0.0910 0.1020 0.0110 4480 lbs
WBEL050H98 1/2 Heavy 6150 Plated 0.5150 1.3130 0.1010 0.1310 0.0300 4600 lbs
WBEL050EH112 1/2 Extra Heavy 6150 Plated 0.5150 1.5000 0.1150 0.1520 0.0370 6000 lbs
WBEL050H112 1/2 Heavy 6150 Plated 0.5150 1.3130 0.1150 0.1420 0.0270 6200 lbs
WBEL05018125YC 1/2 Standard 1074 Black 0.5150 1.1250 0.1250 0.1420 0.0170 7700 lbs
WBEL056H112 9/16 Heavy 6150 Plated 0.5790 1.5000 0.1150 0.1500 0.0350 6000 lbs
WBEL062L98 5/8 Light 6150 Plated 0.6440 1.3130 0.1010 0.1270 0.0260 4800 lbs
WBEL062M122 5/8 Medium 6150 Plated 0.6440 1.5000 0.1150 0.1470 0.0320 6100 lbs
WBEL062F112ZN 5/8 Flange 6150 Plated 0.6440 1.1480 0.1150 0.1300 0.0150 7600 lbs
WBEL062H131 5/8 Heavy 6150 Plated 0.6440 1.7500 0.1340 0.1760 0.0420 8100 lbs
WBEL075L60 3/4 Light 6150 Plated 0.7730 1.5000 0.0630 0.1050 0.0430 1100 lbs
WBEL075L112 3/4 Light 6150 Plated 0.7730 1.5000 0.1150 0.1430 0.0280 6200 lbs
WBEL075L112NF 3/4 Light 6150 Black 0.7730 1.5000 0.1150 0.1430 0.0280 6200 lbs
WBEL075M131 3/4 Medium 6150 Plated 0.7730 1.7500 0.1340 0.1710 0.0370 8300 lbs
WBEL075H150 3/4 Heavy 6150 Plated 0.7730 2.0000 0.1540 0.2000 0.0460 10800 lbs
WBEL075F131ZN 3/4 Flange 6150 Plated 0.7730 1.3700 0.1340 0.1520 0.0180 10870 lbs
WBEL075EH168 3/4 Extra Heavy 6150 Plated 0.7730 2.2500 0.1720 0.2280 0.0560 13000 lbs
WBEL075EH168-BOOC 3/4 Extra Heavy 6150 Black
Oxide
0.7730 2.2500 0.1720 0.2280 0.0560 13000 lbs
WBEL087L131 7/8 Light 6150 Plated 0.9010 1.7500 0.1340 0.1670 0.0330 8500 lbs
WBEL087M150 7/8 Medium 6150 Plated 0.9010 2.0000 0.1540 0.1960 0.0420 11100 lbs
WBEL087H168 7/8 Heavy 6150 Plated 0.9010 2.2500 0.1720 0.2230 0.0510 13600 lbs
WBEL100L150 1 Light 6150 Plated 1.0300 2.0000 0.1540 0.1950 0.0410 11200 lbs
WBEL100M168NF 1 Medium 6150 Black 1.0300 2.2500 0.1720 0.2190 0.0470 13800 lbs
WBEL100H187NF 1 Heavy 6150 Black 1.0300 2.5000 0.1920 0.2480 0.0560 17000 lbs
WBEL100H187 1 Heavy 6150 Plated 1.0300 2.5000 0.1920 0.2480 0.0560 17000 lbs
WBEL125-40-125NF 1 1/4 Standard 1074 Black 1.25 2.5 0.125 0.18 0.053 3200 lbs
WBEL125L187 1 1/4 Light 6150 Plated 1.28 2.5 0.192 0.239 0.047 17400 lbs
WBEL125H225 1 1/4 Heavy 6150 Plated 1.28 3 0.231 0.296 0.065 24800 lbs
WBEL150L225 1 1/2 Light 6150 Plated 1.53 3 0.231 0.287 0.056 25200 lbs
WBELM05-11-1.0 M5 Standard 1074 Black 5.3086 mm 10.9982 mm 1.0160 mm 1.3970 mm 0.2032 mm 2593 N
WBELM06-14-1.1 M6 Standard 6150 Plated 6.1976 mm 14.3002 mm 1.0922 mm 1.7272 mm 0.3048 mm 3870 N
WBELM08-18-2.1 M8 Standard 6150 Plated 8.4074 mm 18.0086 mm 2.0066 mm 2.3622 mm 0.2794 mm 12454 N
WBELM10-21-1.6 M10 Standard 6150 Plated 10.3124 mm 20.6502 mm 1.6002 mm 2.0066 mm 0.4064 mm 8340 N
WBELM10-24-1.8NF M10 Standard 6150 Black 10.3124 mm 23.8252 mm 1.8288 mm 2.3876 mm 0.5588 mm 12010 N
WBELM10-27-2.1 M10 Standard 6150 Plated 10.3124 mm 27.0002 mm 2.0828 mm 2.8194 mm 0.7366 mm 15568 N
WBELM10-22.2-2.75ZC M10 Standard 1074 Black 10.3124 mm 22.2250 mm 2.7686 mm 3.1496 mm 0.3810 mm 20532 N
WBELM20-46.5-3.8NF M18 Standard 6150 Black 19.9898 mm 46.7360 mm 3.9116 mm 4.8514 mm 0.8382 mm 51152 N
WBELM20-L-3.4 M20 Light 6150 Plated 20.5994 mm 44.4500 mm 3.4036 mm 4.3180 mm 0.9144 mm 37808 N
WBELM38-F-5.8ZN M36 Flange 6150 Plated 38.8874 mm 68.0720 mm 5.8674 mm 7.6200 mm 1.0414 mm 114354 N
Narrow Results

Inch or Metric

Carbon Steel Belleville Washers
View
Diameter Belleville Type Grades Finish Outside Diameter Thickness Height Load Rating Item # Availability Price Quantity UOM
1/4 Light Grade 6150 Plated 0.5630 0.0430 0.0680 870 WBEL025L42 5-7 Working Days $0.135/EA EA
1/4 Medium Grade 6150 Plated 0.6880 0.0530 0.0890 1200 WBEL025M52 5-7 Working Days $0.1494/EA EA
1/4 Heavy Grade 6150 Plated 0.8130 0.0630 0.0830 1600 WBEL025H61 5-7 Working Days $0.2394/EA EA
1/4 Extra Heavy Grade 6150 Plated 0.9380 0.0720 0.0970 2000 WBEL025EH70 5-7 Working Days $0.2988/EA EA
5/16 Light Grade 6150 Plated 0.6880 0.0530 0.0850 1300 WBEL031L52 5-7 Working Days $0.144/EA EA
5/16 Medium Grade 6150 Plated 0.8130 0.0630 0.0810 1800 WBEL031M61 5-7 Working Days $0.225/EA EA
3/8 Standard Grade 1074 Black 0.7550 0.04 0.0620 516 WBEL0371240NF 5-7 Working Days $0.225/EA EA
3/8 Light Grade 6150 Plated 0.8130 0.0630 0.0780 1800 WBEL037L61 5-7 Working Days $0.225/EA EA
3/8 Standard Grade 6150 Black 1.25 0.0650 0.17 1880 WBEL0372062NF 5-7 Working Days $0.324/EA EA
3/8 Medium Grade 6150 Plated 0.9380 0.0720 0.0930 2400 WBEL037M70 5-7 Working Days $0.225/EA EA
3/8 Heavy Grade 6150 Black 1.0630 0.0820 0.1070 3000 WBEL037H80BOOC 5-7 Working Days $0.648/EA EA
3/8 Heavy Grade 6150 Plated 1.0630 0.0820 0.1070 3000 WBEL037H80 5-7 Working Days $0.2844/EA EA
3/8 Heavy Grade 6150 Black 1.0630 0.0820 0.1070 3000 WBEL037H80PC 5-7 Working Days $0.522/EA EA
3/8 Standard Grade 6150 Plated 0.88 0.0910 0.1040 3200 WBEL03714-89ZN 5-7 Working Days $0.315/EA EA
3/8 Extra Heavy Grade 6150 Plated 1.1880 0.0910 0.1210 3500 WBEL037EH89 5-7 Working Days $0.414/EA EA
3/8 Standard Grade 6150 Black 0.8750 0.1150 0.1360 6500 WBEL03714112NF 5-7 Working Days $0.315/EA EA
7/16 Light Grade 6150 Plated 0.9380 0.0720 0.0910 2400 WBEL043L70 5-7 Working Days $0.288/EA EA
7/16 Heavy Grade 6150 Plated 1.1880 0.0910 0.1190 3700 WBEL043H89 In Stock $0.756/EA EA
1/2 Standard Grade 6150 Black 1.01 0.0350 0.07 450 WBEL0501635NF 5-7 Working Days $0.162/EA EA
1/2 Light Grade 6150 Plated 1.0630 0.0430 0.0860 500 WBEL050L42 5-7 Working Days $0.234/EA EA
1/2 Standard Grade 6150 Black 1.25 0.0650 0.1440 1880 WBEL0502062NF 5-7 Working Days $0.684/EA EA
1/2 Light Grade 6150 Plated 1.0630 0.0820 0.1030 3200 WBEL050L80 5-7 Working Days $0.288/EA EA
1/2 Medium Grade 6150 Plated 1.1880 0.0910 0.1170 3800 WBEL050M89 5-7 Working Days $0.414/EA EA
1/2 Flange Grade 6150 Plated 0.9 0.0910 0.1020 4480 WBEL050F89ZN 5-7 Working Days $0.612/EA EA
1/2 Heavy Grade 6150 Plated 1.3130 0.1010 0.1310 4600 WBEL050H98 5-7 Working Days $0.522/EA EA
1/2 Extra Heavy Grade 6150 Plated 1.5 0.1150 0.1520 6000 WBEL050EH112 5-7 Working Days $0.702/EA EA
1/2 Heavy Grade 6150 Plated 1.3130 0.1150 0.1420 6200 WBEL050H112 5-7 Working Days $0.54/EA EA
1/2 Standard Grade 1074 Black 1.1250 0.1250 0.1420 7700 WBEL05018125YC 5-7 Working Days $0.468/EA EA
9/16 Heavy Grade 6150 Plated 1.5 0.1150 0.15 6000 WBEL056H112 5-7 Working Days $0.774/EA EA
5/8 Light Grade 6150 Plated 1.3130 0.1010 0.1270 4800 WBEL062L98 5-7 Working Days $0.504/EA EA
5/8 Medium Grade 6150 Plated 1.5 0.1150 0.1470 6100 WBEL062M122 5-7 Working Days $0.702/EA EA
5/8 Flange Grade 6150 Plated 1.1480 0.1150 0.13 7600 WBEL062F112ZN 5-7 Working Days $0.612/EA EA
5/8 Heavy Grade 6150 Plated 1.75 0.1340 0.1760 8100 WBEL062H131 5-7 Working Days $1.044/EA EA
3/4 Light Grade 6150 Plated 1.5 0.0630 0.1050 1100 WBEL075L60 5-7 Working Days $1.494/EA EA
3/4 Light Grade 6150 Black 1.5 0.1150 0.1430 6200 WBEL075L112NF 5-7 Working Days $1.548/EA EA
3/4 Light Grade 6150 Plated 1.5 0.1150 0.1430 6200 WBEL075L112 5-7 Working Days $0.684/EA EA
3/4 Medium Grade 6150 Plated 1.75 0.1340 0.1710 8300 WBEL075M131 5-7 Working Days $1.08/EA EA
3/4 Heavy Grade 6150 Plated 2.0 0.1540 0.2 10800 WBEL075H150 5-7 Working Days $1.548/EA EA
3/4 Flange Grade 6150 Plated 1.37 0.1340 0.1520 10870 WBEL075F131ZN 5-7 Working Days $1.224/EA EA
3/4 Extra Heavy Grade 6150 Black 2.25 0.1720 0.2280 13000 WBEL075EH168-BOOC 5-7 Working Days $2.214/EA EA
3/4 Extra Heavy Grade 6150 Plated 2.25 0.1720 0.2280 13000 WBEL075EH168 5-7 Working Days $2.808/EA EA
7/8 Light Grade 6150 Plated 1.75 0.1340 0.1670 8500 WBEL087L131 5-7 Working Days $1.386/EA EA
7/8 Medium Grade 6150 Plated 2.0 0.1540 0.1960 11100 WBEL087M150 5-7 Working Days $1.674/EA EA
7/8 Heavy Grade 6150 Plated 2.25 0.1720 0.2230 13600 WBEL087H168 5-7 Working Days $2.682/EA EA
1 Light Grade 6150 Plated 2.0 0.1540 0.1950 11200 WBEL100L150 5-7 Working Days $1.458/EA EA
1 Medium Grade 6150 Black 2.25 0.1720 0.2190 13800 WBEL100M168NF 5-7 Working Days $1.944/EA EA
1 Heavy Grade 6150 Plated 2.5 0.1920 0.2480 17000 WBEL100H187 5-7 Working Days $3.294/EA EA
1 Heavy Grade 6150 Black 2.5 0.1920 0.2480 17000 WBEL100H187NF 5-7 Working Days $3.654/EA EA
1 1/4 Standard Grade 1074 Black 2.5 0.1250 0.18 3200 WBEL125-40-125NF 5-7 Working Days $1.746/EA EA
1 1/4 Light Grade 6150 Plated 2.5 0.1920 0.2390 17400 WBEL125L187 5-7 Working Days $3.168/EA EA
1 1/4 Heavy Grade 6150 Plated 3.0 0.2310 0.2960 24800 WBEL125H225 5-7 Working Days $6.462/EA EA
1 1/2 Light Grade 6150 Plated 3.0 0.2310 0.2870 25200 WBEL150L225 5-7 Working Days $6.336/EA EA
M5 Standard Grade 1074 Black 10.9982 mm 1.0160 mm 1.3970 mm 2593 N WBELM05-11-1.0 5-7 Working Days $0.135/EA EA
M6 Standard Grade 6150 Plated 14.3002 mm 1.0922 mm 1.7272 mm 3870 N WBELM06-14-1.1 5-7 Working Days $0.144/EA EA
M8 Standard Grade 6150 Plated 18.0086 mm 2.0066 mm 2.3622 mm 12454 N WBELM08-18-2.1 5-7 Working Days $0.216/EA EA
M10 Standard Grade 6150 Plated 20.6502 mm 1.6002 mm 2.0066 mm 8340 N WBELM10-21-1.6 5-7 Working Days $0.225/EA EA
M10 Standard Grade 6150 Black 23.8252 mm 1.8288 mm 2.3876 mm 12010 N WBELM10-24-1.8NF 5-7 Working Days $0.45/EA EA
M10 Standard Grade 6150 Plated 27.0002 mm 2.0828 mm 2.8194 mm 15568 N WBELM10-27-2.1 5-7 Working Days $0.846/EA EA
M10 Standard Grade 1074 Black 22.2250 mm 2.7686 mm 3.1496 mm 20532 N WBELM10-22.2-2.75ZC 5-7 Working Days $0.324/EA EA
M18 Standard Grade 6150 Black 46.7360 mm 3.9116 mm 4.8514 mm 51152 N WBELM20-46.5-3.8NF 5-7 Working Days $1.17/EA EA
M20 Light Grade 6150 Plated 44.4500 mm 3.4036 mm 4.3180 mm 37808 N WBELM20-L-3.4 5-7 Working Days $1.314/EA EA
M36 Flange Grade 6150 Plated 68.0720 mm 5.8674 mm 7.6200 mm 114354 N WBELM38-F-5.8ZN 5-7 Working Days $5.4/EA EA