2024年5月28日发(作者：谷梁鸥)
螺栓型号
螺
栓
规
格
M1
M2
M3
M4
M5
M6
M8
M10
M12
M14
M16
M18
M20
M22
M24
M27
M30
M33
M36
M39
螺栓公称应力截面
3.6
直径D/MM积/MM²
强度极限屈服极限预紧力矩强度极限
预紧力/N
/N/N/N.M/N
10.4613883500.0149184
22..1341828
35.031,5099055430.48892,012
48.782,6341,5809481.13793,512
514.24,2602,5561,5342.30045,680
620.16,0303,6182,1713.90748,040
836.610,9806,5883,9539.486714,640
105817,40010,4406,26418.792023,200
1284.325,29015,1749,10432.775833,720
1411534,50020,70012,42052.164046,000
1615747,10028,26016,95681.388862,800
1819257,60034,56020,736111.974476,800
2024573,50044,10026,460158.760098,000
2230390,90054,54032,724215.9784121,200
24353105,90063,54038,124274.4928141,200
27459137,70082,62049,572401.5332183,600
30561168,300100,98060,588545.2920224,400
33694208,200124,92074,952742.0248277,600
36817245,100147,06088,236952.9488326,800
39976292,800175,680105,4081,233.2736390,400
预紧力矩K值表
摩擦表面状况有润滑无润滑
紧螺
K=0.3
表
二
许用应力
[σ]=σ
s/S
表
一
精加工表面
一般加工表面
表面氧化
镀锌表面
干燥的粗加工表面
0.10.12
0.13-0.18-
0.20.24
0.180.22
0.26-0.3
注：请选择相应的预紧力矩K值输入蓝色框内！
4.64.8
预紧力矩强度极限
/N.M/N
0.0265230
0.23851,035
0.86922,515
2.02294,390
4.08967,100
6.946610,050
16.865318,300
33.408029,000
58.268242,150
92.736057,500
144.691278,500
199.065696,000
282.2400122,500
383.9616151,500
487.9872176,500
713.8368229,500
969.4080280,500
1,319.1552347,000
1,694.1312408,500
2,192.4864488,000
屈服极限预紧力矩强度极限屈服极限
预紧力/N预紧力/N
/N/N.M/N/N
110660.
4972980.97
1,2077240.65192,0121,610966
2,1071,2641.51723,5122,8101,686
3,4082,0453.06725,6804,5442,726
4,8242,8945.20998,0406,4323,859
8,7845,27012.649014,64011,7127,027
13,9208,35225.056023,20018,56011,136
20,23212,13943.701133,72026,97616,186
27,60016,56069.552046,00036,80022,080
37,68022,608108.518462,80050,24030,144
46,08027,648149.299276,80061,44036,864
58,80035,280211.680098,00078,40047,040
72,72043,632287.9712121,20096,96058,176
84,72050,832365.9904141,200112,96067,776
110,16066,096535.3776183,600146,88088,128
134,64080,784727.0560224,400179,520107,712
166,56099,936989.3664277,600222,080133,248
196,080117,6481,270.5984326,800261,440156,864
234,240140,5441,644.3648390,400312,320187,392
紧螺栓连接的许用应力级安全系数
不控制预紧力时的安全系数
直径/材
料
碳钢/合
金钢
M6-M16
4-3/5-4
M16-M30
3-2/4-3
M30-M60
2-
1.3/2.5
控制预紧力时的安全
系数
不分直径
1.2-1.5
许用剪
许用应力及安
及被连接材料
钢
表
三
铸铁
静载荷
变载荷
2024年5月28日发(作者：谷梁鸥)
螺栓型号
螺
栓
规
格
M1
M2
M3
M4
M5
M6
M8
M10
M12
M14
M16
M18
M20
M22
M24
M27
M30
M33
M36
M39
螺栓公称应力截面
3.6
直径D/MM积/MM²
强度极限屈服极限预紧力矩强度极限
预紧力/N
/N/N/N.M/N
10.4613883500.0149184
22..1341828
35.031,5099055430.48892,012
48.782,6341,5809481.13793,512
514.24,2602,5561,5342.30045,680
620.16,0303,6182,1713.90748,040
836.610,9806,5883,9539.486714,640
105817,40010,4406,26418.792023,200
1284.325,29015,1749,10432.775833,720
1411534,50020,70012,42052.164046,000
1615747,10028,26016,95681.388862,800
1819257,60034,56020,736111.974476,800
2024573,50044,10026,460158.760098,000
2230390,90054,54032,724215.9784121,200
24353105,90063,54038,124274.4928141,200
27459137,70082,62049,572401.5332183,600
30561168,300100,98060,588545.2920224,400
33694208,200124,92074,952742.0248277,600
36817245,100147,06088,236952.9488326,800
39976292,800175,680105,4081,233.2736390,400
预紧力矩K值表
摩擦表面状况有润滑无润滑
紧螺
K=0.3
表
二
许用应力
[σ]=σ
s/S
表
一
精加工表面
一般加工表面
表面氧化
镀锌表面
干燥的粗加工表面
0.10.12
0.13-0.18-
0.20.24
0.180.22
0.26-0.3
注：请选择相应的预紧力矩K值输入蓝色框内！
4.64.8
预紧力矩强度极限
/N.M/N
0.0265230
0.23851,035
0.86922,515
2.02294,390
4.08967,100
6.946610,050
16.865318,300
33.408029,000
58.268242,150
92.736057,500
144.691278,500
199.065696,000
282.2400122,500
383.9616151,500
487.9872176,500
713.8368229,500
969.4080280,500
1,319.1552347,000
1,694.1312408,500
2,192.4864488,000
屈服极限预紧力矩强度极限屈服极限
预紧力/N预紧力/N
/N/N.M/N/N
110660.
4972980.97
1,2077240.65192,0121,610966
2,1071,2641.51723,5122,8101,686
3,4082,0453.06725,6804,5442,726
4,8242,8945.20998,0406,4323,859
8,7845,27012.649014,64011,7127,027
13,9208,35225.056023,20018,56011,136
20,23212,13943.701133,72026,97616,186
27,60016,56069.552046,00036,80022,080
37,68022,608108.518462,80050,24030,144
46,08027,648149.299276,80061,44036,864
58,80035,280211.680098,00078,40047,040
72,72043,632287.9712121,20096,96058,176
84,72050,832365.9904141,200112,96067,776
110,16066,096535.3776183,600146,88088,128
134,64080,784727.0560224,400179,520107,712
166,56099,936989.3664277,600222,080133,248
196,080117,6481,270.5984326,800261,440156,864
234,240140,5441,644.3648390,400312,320187,392
紧螺栓连接的许用应力级安全系数
不控制预紧力时的安全系数
直径/材
料
碳钢/合
金钢
M6-M16
4-3/5-4
M16-M30
3-2/4-3
M30-M60
2-
1.3/2.5
控制预紧力时的安全
系数
不分直径
1.2-1.5
许用剪
许用应力及安
及被连接材料
钢
表
三
铸铁
静载荷
变载荷