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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.

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Mechanical Properties
Chemical Properties
Dimensional Specifications

Dimensional Specifications

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
STS Part Number	Diameter	Belleville Type	Grade	Finish	ID	OD	Thickness	Height	Deflection	Load Rating	Load Rating lbs or N
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

Carbon Steel Belleville Washers

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Diameter	Belleville Type	Grades	Finish	Outside Diameter	Thickness	Height	Load Rating	Item #	Availability	Price	Quantity
1/4	Light	Grade 6150	Plated	0.5630	0.0430	0.0680	870	WBEL025L42	5-7 Working Days	$0.07682/EA	EA	EA
1/4	Medium	Grade 6150	Plated	0.6880	0.0530	0.0890	1200	WBEL025M52	5-7 Working Days	$0.15282/EA	EA	EA
1/4	Heavy	Grade 6150	Plated	0.8130	0.0630	0.0830	1600	WBEL025H61	5-7 Working Days	$0.35627/EA	EA	EA
1/4	Extra Heavy	Grade 6150	Plated	0.9380	0.0720	0.0970	2000	WBEL025EH70	5-7 Working Days	$0.40028/EA	EA	EA
5/16	Light	Grade 6150	Plated	0.6880	0.0530	0.0850	1300	WBEL031L52	5-7 Working Days	$0.1485/EA	EA	EA
5/16	Medium	Grade 6150	Plated	0.8130	0.0630	0.0810	1800	WBEL031M61	5-7 Working Days	$0.33656/EA	EA	EA
3/8	Light	Grade 6150	Plated	0.8130	0.0630	0.0780	1800	WBEL037L61	5-7 Working Days	$0.31887/EA	EA	EA
3/8	Medium	Grade 6150	Plated	0.9380	0.0720	0.0930	2400	WBEL037M70	5-7 Working Days	$0.44361/EA	EA	EA
3/8	Heavy	Grade 6150	Plated	1.0630	0.0820	0.1070	3000	WBEL037H80	5-7 Working Days	$0.44294/EA	EA	EA
3/8	Extra Heavy	Grade 6150	Plated	1.1880	0.0910	0.1210	3500	WBEL037EH89	5-7 Working Days	$0.64544/EA	EA	EA
7/16	Light	Grade 6150	Plated	0.9380	0.0720	0.0910	2400	WBEL043L70	5-7 Working Days	$0.43983/EA	EA	EA
7/16	Heavy	Grade 6150	Plated	1.1880	0.0910	0.1190	3700	WBEL043H89	In Stock	$1.04747/EA	EA	EA
1/2	Light	Grade 6150	Plated	1.0630	0.0820	0.1030	3200	WBEL050L80	5-7 Working Days	$0.43794/EA	EA	EA
1/2	Medium	Grade 6150	Plated	1.1880	0.0910	0.1170	3800	WBEL050M89	5-7 Working Days	$0.58091/EA	EA	EA
1/2	Heavy	Grade 6150	Plated	1.3130	0.1010	0.1310	4600	WBEL050H98	5-7 Working Days	$0.69188/EA	EA	EA
1/2	Extra Heavy	Grade 6150	Plated	1.5000	0.1150	0.1520	6000	WBEL050EH112	5-7 Working Days	$1.134/EA	EA	EA
1/2	Heavy	Grade 6150	Plated	1.3130	0.1150	0.1420	6200	WBEL050H112	5-7 Working Days	$0.77477/EA	EA	EA
5/8	Light	Grade 6150	Plated	1.3130	0.1010	0.1270	4800	WBEL062L98	5-7 Working Days	$0.68081/EA	EA	EA
5/8	Medium	Grade 6150	Plated	1.5000	0.1150	0.1470	6100	WBEL062M122	5-7 Working Days	$1.14224/EA	EA	EA
5/8	Heavy	Grade 6150	Plated	1.7500	0.1340	0.1760	8100	WBEL062H131	5-7 Working Days	$1.48298/EA	EA	EA
3/4	Light	Grade 6150	Plated	1.5000	0.1150	0.1430	6200	WBEL075L112	5-7 Working Days	$0.99536/EA	EA	EA
3/4	Medium	Grade 6150	Plated	1.7500	0.1340	0.1710	8300	WBEL075M131	5-7 Working Days	$1.41062/EA	EA	EA
3/4	Heavy	Grade 6150	Plated	2.0000	0.1540	0.2000	10800	WBEL075H150	5-7 Working Days	$2.3976/EA	EA	EA
3/4	Extra Heavy	Grade 6150	Plated	2.2500	0.1720	0.2280	13000	WBEL075EH168	5-7 Working Days	$3.21125/EA	EA	EA
7/8	Light	Grade 6150	Plated	1.7500	0.1340	0.1670	8500	WBEL087L131	5-7 Working Days	$1.50039/EA	EA	EA
7/8	Medium	Grade 6150	Plated	2.0000	0.1540	0.1960	11100	WBEL087M150	5-7 Working Days	$3.15563/EA	EA	EA
7/8	Heavy	Grade 6150	Plated	2.2500	0.1720	0.2230	13600	WBEL087H168	5-7 Working Days	$3.77528/EA	EA	EA
1	Light	Grade 6150	Plated	2.0000	0.1540	0.1950	11200	WBEL100L150	5-7 Working Days	$2.1924/EA	EA	EA
1	Heavy	Grade 6150	Plated	2.5000	0.1920	0.2480	17000	WBEL100H187	5-7 Working Days	$5.85428/EA	EA	EA
1 1/4	Light	Grade 6150	Plated	2.5000	0.1920	0.2390	17400	WBEL125L187	5-7 Working Days	$4.15598/EA	EA	EA
1 1/4	Heavy	Grade 6150	Plated	3.0000	0.2310	0.2960	24800	WBEL125H225	5-7 Working Days	$7.49156/EA	EA	EA
1 1/2	Light	Grade 6150	Plated	3.0000	0.2310	0.2870	25200	WBEL150L225	5-7 Working Days	$6.75162/EA	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	$0.27257/EA	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	$0.2021/EA	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	$0.17685/EA	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	$1.68831/EA	EA	EA

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
AISI 6150 Carbon Steel	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
AISI 1074 Carbon Steel	Metric	650 MPa	505 MPa	190 - 210 GPa	80 GPa	160 GPa	0.27 - 0.30	10%	40.0%	192

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

Carbon Steel Belleville Washers

Technical Data

Mechanical Properties

Mechanical PropertiesCarbon Steel

Chemical Properties

Chemical PropertiesCarbon Steel

Dimensional Specifications

Dimensional SpecificationsCarbon Steel Belleville Washer

Grade

Finish

Diameter

Thickness

Load Rating

Outside Diameter

Inch or Metric

Inside Diameter