17-7PH Stainless Steel Belleville Washers
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17-7PH Stainless 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

17-7PH stainless steel is semi-austenitic and precipitation hardened. It exhibits high strength and hardness, corrosion resistance, and excellent fatigue properties, and is suitable for cryogenic service. 17-7PH Belleville Washers are commonly used on stainless steel grades of bolting including ASTM A193 and A320 Grade B8 and B8M, classes 1 and 2 (strain hardened).

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17-7PH Stainless Steel 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 WBEL006L21177 5-7 Working Days $0.2376/EA EA
#6 Medium 0.3440 0.0250 0.0420 240 WBEL006M26177 5-7 Working Days $0.12663/EA EA
#8 Light 0.3440 0.0250 0.0400 240 WBEL008L26177 5-7 Working Days $0.13473/EA EA
#8 Medium 0.4060 0.0310 0.0500 370 WBEL008M31177 5-7 Working Days $0.18698/EA EA
#10 Light 0.4060 0.0310 0.0480 375 WBEL010L31177 5-7 Working Days $0.16254/EA EA
#10 Medium 0.4690 0.0350 0.0570 470 WBEL010M35177 5-7 Working Days $0.12839/EA EA
#10 Heavy 0.5630 0.0420 0.0710 650 WBEL010H42177 5-7 Working Days $0.25394/EA EA
#10 Medium 0.4690 0.0500 0.0670 1000 WBEL010M50177 5-7 Working Days $0.1377/EA EA
1/4 Light 0.5630 0.0420 0.0670 680 WBEL025L42177 5-7 Working Days $0.4671/EA EA
1/4 Medium 0.6880 0.0500 0.0860 1000 WBEL025M52177 5-7 Working Days $0.30294/EA EA
5/16 Light 0.6880 0.0500 0.0820 1000 WBEL031L52177 5-7 Working Days $0.77774/EA EA
5/16 Medium 0.8130 0.0620 0.0780 1450 WBEL031M61177 5-7 Working Days $0.64179/EA EA
5/16 Extra Heavy 1.0630 0.0830 0.1060 2350 WBEL031EH80177 5-7 Working Days $1.21082/EA EA
3/8 Light 0.8130 0.0620 0.0760 1500 WBEL037L61177 5-7 Working Days $1.69034/EA EA
3/8 Medium 0.9380 0.0720 0.0900 2000 WBEL037M70177 5-7 Working Days $0.98685/EA EA
3/8 Heavy 1.0630 0.0830 0.1050 2600 WBEL037H80177 5-7 Working Days $2.06847/EA EA
3/8 Flange 0.7140 0.0830 0.0910 2800 WBEL037F80177 5-7 Working Days $1.36499/EA EA
3/8 Extra Heavy 1.1880 0.0950 0.1220 3300 WBEL037EH89177 5-7 Working Days $1.30059/EA EA
7/16 Flange 0.8200 0.0830 0.0930 2800 WBEL043F80177 5-7 Working Days $1.07784/EA EA
7/16 Heavy 1.1880 0.0950 0.1180 3400 WBEL043H89177 5-7 Working Days $1.35608/EA EA
1/2 Light 1.0630 0.0830 0.1010 2700 WBEL050L80177 5-7 Working Days $0.81135/EA EA
1/2 Flange 0.9000 0.0830 0.0940 2775 WBEL050F80177 5-7 Working Days $1.93172/EA EA
1/2 Heavy 1.3130 0.0950 0.1220 3400 WBEL050H98177 5-7 Working Days $1.55021/EA EA
1/2 Medium 1.1880 0.0950 0.1160 3500 WBEL050M89177 5-7 Working Days $1.29884/EA EA
1/2 Flange 0.9000 0.0950 0.1050 3700 WBEL050F89177 5-7 Working Days $1.08986/EA EA
1/2 Extra Heavy 1.5000 0.1170 0.1480 5000 WBEL050EH112177 5-7 Working Days $2.8724/EA EA
5/8 Light 1.3130 0.0950 0.1180 3500 WBEL062L98177 5-7 Working Days $2.18795/EA EA
5/8 Flange 1.1400 0.0950 0.1100 3585 WBEL062F95177 In Stock $2.43972/EA EA
5/8 Medium 1.5000 0.1170 0.1450 5300 WBEL062M122177 5-7 Working Days $2.5353/EA EA
5/8 Flange 1.1480 0.1250 0.1370 6400 WBEL062F125177 5-7 Working Days $2.6649/EA EA
5/8 Flange 1.1480 0.1170 0.1300 6500 WBEL062F112177 5-7 Working Days $1.69466/EA EA
5/8 Heavy 1.7500 0.1360 0.1730 7000 WBEL062H131177 5-7 Working Days $3.44831/EA EA
3/4 Light 1.5000 0.1170 0.1410 5400 WBEL075L112177 5-7 Working Days $3.01172/EA EA
3/4 Flange 1.3700 0.1170 0.1350 5500 WBEL075F112177 5-7 Working Days $3.73235/EA EA
3/4 Medium 1.7500 0.1360 0.1680 7200 WBEL075M131177 5-7 Working Days $4.90712/EA EA
3/4 Flange 1.3700 0.1360 0.1520 8500 WBEL075F131177 5-7 Working Days $4.04501/EA EA
3/4 Heavy 2.0000 0.1550 0.1950 9100 WBEL075H150177 5-7 Working Days $5.77044/EA EA
3/4 Medium 1.6300 0.1550 0.1790 9400 WBEL075M150177 5-7 Working Days $3.32897/EA EA
3/4 Extra Heavy 2.2500 0.1930 0.2360 13800 WBEL075EH168177 5-7 Working Days $7.9646/EA EA
7/8 Light 1.7500 0.1360 0.1640 7200 WBEL087L131177 5-7 Working Days $4.79858/EA EA
7/8 Flange 1.5900 0.1550 0.1740 12500 WBEL087F150177 In Stock $2.8346/EA EA
1 Flange 1.8050 0.1680 0.1950 8600 WBEL100F160177 In Stock $7.61765/EA EA
1 Light 2.0000 0.1550 0.1870 9400 WBEL100L150177 5-7 Working Days $5.67365/EA EA
1 Heavy 2.5000 0.1930 0.2400 14200 WBEL100H187177 5-7 Working Days $11.90889/EA EA
1 Medium 2.2500 0.1930 0.2290 14600 WBEL100M168177 5-7 Working Days $10.35896/EA EA
1 Flange 1.8100 0.1930 0.2100 18000 WBEL100F168177 5-7 Working Days $6.13778/EA EA
1 1/8 Medium 2.5000 0.1930 0.2340 14400 WBEL112M187177 5-7 Working Days $14.03568/EA EA
1 1/8 Light 2.2500 0.1930 0.2250 14700 WBEL112L168177 5-7 Working Days $12.22263/EA EA
1 1/8 Flange 2.0250 0.1930 0.2180 20000 WBEL112F187177 5-7 Working Days $7.09925/EA EA
1 1/4 Light 2.5000 0.1930 0.2300 14400 WBEL125L187177 5-7 Working Days $9.71406/EA EA
1 1/4 Flange 2.3100 0.1930 0.2240 20000 WBEL125F206177 5-7 Working Days $9.47201/EA EA
1 3/8 Light 2.7500 0.1930 0.2400 14200 WBEL137L206177 5-7 Working Days $16.04232/EA EA
1 3/8 Flange 2.4700 0.2500 0.2840 25000 WBEL137F225177 In Stock $76.99739/EA EA
1 1/2 Flange 2.6800 0.2500 0.2840 26000 WBEL150F244177 5-7 Working Days $74.83779/EA EA
1 5/8 Flange 2.9500 0.2620 0.2990 27000 WBEL162F262177 In Stock $73.80045/EA EA
1 3/4 Flange 3.1700 0.2800 0.3230 31000 WBEL175F281177 5-7 Working Days $95.23602/EA EA
1 7/8 Flange 3.3890 0.3000 0.3450 33000 WBEL187F300177 In Stock $110.8724/EA EA
2 1/4 Flange 4.0400 0.3560 0.4080 51000 WBEL225F356177 In Stock $151.35377/EA EA
M12 Flange 21.6916 mm 2.4130 mm 2.6670 mm 16458 N WBELM12-F-2.3-177 5-7 Working Days $1.17707/EA EA
M16 Standard 38.9890 mm 3.9370 mm 4.5212 mm 43146 N WBELM16-39-3.9-177 5-7 Working Days $2.82893/EA EA
M30 Flange 53.9242 mm 4.9022 mm 5.5626 mm 66720 N WBELM30-F-5-177 5-7 Working Days $10.19642/EA EA
M36 Flange 65.5320 mm 4.9022 mm 5.8674 mm 64941 N WBELM36-F-5-177 5-7 Working Days $9.62024/EA EA