不銹鋼緊固件預載和擰緊扭矩

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該表顯示了 A1、A2 和 A4 不銹鋼緊固件的最大允許擰緊扭力以及由此產生的最大預緊力。

僅供參考

螺紋尺寸摩擦係數預載 (Kn) 特性等級鎖緊扭力 (Nm) 性能等級最小破斷扭矩
A1-50A2-70A4-80A1-50A2-70A4-80A1-50A2-70A4-80
M1.60.10.40.550.550.10.10.20.150.20.24
0.20.30.350.350.10.20.35
0.30.20.30.30.20.250.45
M2.00.10.50.60.60.150.20.30.30.40.48
0.20.40.50.50.250.30.4
0.30.250.360.360.40.40.55
M2.50.10.650.90.90.250.450.60.60.90.96
0.20.40.50.50.450.60.65
0.30.30.30.30.60.750.8
M3.00.10.9110.8511.31.11.61.8
0.20.60.650.6511.11.6
0.30.40.450.451.251.351.85
M4.00.11.082.972.970.81.72.32.73.84.3
0.21.122.42.41.32.63.5
0.30.91.941.941.534.1
M5.00.12.264.854.851.63.44.65.57.88.8
0.21.833.933.932.45.16.9
0.31.493.193.192.86.18
M6.00.13.26.856.852.85.989.31315
0.22.595.545.544.18.811.8
0.32.094.494.494.810.413.9
M8.00.15.8612.612.66.814.519.3233237
0.24.7510.210.210.121.428.7
0.33.858.858.8511.925.533.9
M10.00.19.32202013.73039.4466574
0.27.5816.216.220.34458
0.36.1413.113.1245169
M12.00.113.629.129.123.6506780110130
0.211.123.723.734.874100
0.3919.219.24188117
M14.00.118.7404037.179106210290330
0.215.232.632.656119159
0.312.326.426.466141188
M.16.00.125.7555556121161
0.220.944.944.986183245
0.31736.436.4102218291
M18.00.132.2696981174232
0.226.256.256.2122260346
0.321.145.545.5144380411
M20.00.141.388.688.6114224325
0.233.872.472.4173370494
0.327.458.758.7205439586
M22.00.150107107148318424
0.2418888227488650
0.3347272272582776
M24.00.158142142187400534
0.247101101284608810
0.3398383338724966
M27.00.175275
0.261421
0.350503
M33.00.191374
0.275571
0.361680
M36.00.1114506
0.294779
0.376929
M39.00.1135651
0.2110998
0.3891189
0.1162842
0.21331300
0.31081553

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