鲁达 注：理论质量计算。
G=0.0157S（A+B12.8584S）
式中G——每米钢管质量（k（m）；
A、B——长方形钢管长度和宽度（mm）；
S——矩形钢管的标称壁厚（mm）
钢管R=1.5S，钢的密度为7-85g/cm3的计算公式。
表6-42冷拔无缝椭圆钢管尺寸规格
基本尺寸
横截面积
F
/cm2
理论质量
C
／(kg／m)
惯性力矩
截面系数
A
B
S
Jx
JY
Wx
Wy
mm
cm4
cm3
6
3
0.5
O.0628
O.0493
0.00060
0.00195
O.00399
0.00651
8
4
O.5
O.8
1
1.2
0.0864
0.131
0.157
0.181
0.0678
O.103
O.123
O.142
O.00159
0.00208
O.00228
O.00241
O.00500
O.00697
O.00793
0.00867
0.00793
O.O104
O.0114
O.012l
O.0125
0.0174
O.0198
O.0217
lO
5
O.5
0.8
1
1.2
O.110
O.168
0.204
O.238
0.0864
O.132
0.160
O.186
O.0033l
O.00452
0.000508
O.00548
O.0102
O.0147
0.0170
O.0189
0.0132
O.0181
0.0203
O.0219
O.0205
O.0293
O.0340
O.0379
7
O.5
O.8
1
1.2
0.126
0.194
O.236
0.275
O.0987
O.152
O.185
0.216
0.0Cr729
0.0103
O.0119
0.0132
O.0129
0.0187
O.0218
0.0245
O.0208
0.0295
O.0341
O.0377
O.0258
0.0373
O.0436
0.0489
12
4
0.5
0.8
1
1.2
0.118
O.181
0.220
0.256
0.0925
O.142
0.173
O.201
O.0023l
O.00307
0.00338
0.00358
0.0143
0.0207
O.024l
O.0270
0.O116
0.0153
O.0169
0.0179
0.0239
O.0345
0.0402
0.0450
6
0.5
0.8
l
1.2
O.134
0.206
0.251
O.294
O.105
O.162
O.197
O.231
0.00597
0.00838
0.00958
O.0105
O.0182
O.0266
O.0313
O.0353
O.0199
O.OZ79
O.0319
O.035l
0.0304
0.0444
O.0521
O.0588
14
7
O.5
0.8
1
1.2
O.157
0.244
O.298
O.351
0.123
O.191
O.234
O.275
O.00979
O.04lO
0.0162
0.0180
O.0295
O.0437
0.0519
O.0591
0.0280
O.0400
O.0463
0.0515
O.042l
O.0625
O.0741
0.0844
15
5
O.5
O.8
l
1.2
O.149
O.231
0.283
0.332
O.117
O.182
O.222
O.26l
O.0048l
O.00662
O.00748
0.00812
0.0290
O.O427
0.0505
O.0573
O.0192
0.0265
0.0299
0.0325
0.0386
0.0569
O.0673
0.0764
16
8
0.5
0.8
l
1.2
O.181
O.282
O.346
0.407
0.142
0.221
0.271
0.320
O.0150
O.0217
O.0254
0.0285
0.0449
O.0671
O.080l
0.0918
O.0374
0.0542
0.0634
O.0712
0.0561
0.0838
O.100
O.115
18
8
O.5
O.8
l
1.2
O.196
0.306
0.377
O.445
0.154
0.240
0.296
O.349
O.0166
O.0241
0.0283
O.0318
O.0602
O.0905
0.108
O.125
0.0416
0.0604
O.0707
O.0795
0.0669
O.101
0.120
0.139
9
0.5
O.8
1
1.2
O.204
O.319
0.393
0.463
O.160
O.250
O.308
O.364
O.0217
0.0318
O.0375
0.0424
O.0648
O.0974
O.117
O.135
O.0482
O.0706
0.0883
0.0942
O.0719
0.108
0.130
0.150
20
10
0.5
0.8
1
1.2
0.228
0.357
0.440
0.520
O.179
O.280
0.345
0.408
0.0302
O.0446
O.0529
0.0602
O.0897
O.136
0.164
O.189
O.0604
O.0892
0.106
O.12l
0.0897
O.136
0.164
0.189
12
O.8
1
1.2
1.5
0.382
O.471
O.558
0.683
0.300
0.370
0.438
O.536
0.0680
O.0813
O.0932
O.109
O.153
O.185
O.214
O.254
O.113
O.136
0.155
O.18l
0.153
O.185
O.214
O.254
24
8
O.8
l
1.2
1.5
0.382
O.471
O.558
0.683
0.300
O.370
O.438
O.536
O.0315
0.0370
0.0417
0.0474
O.190
0.229
0.266
0.316
0.0788
0.0925
O.104
O.119
0.158
0.191
0.222
0.263
12
O.8
1
1.2
1.5
O.432
O.534
O.633
0.778
O.339
0.419
0.497
0.610
O.0799
0.0956
0.110
O.128
O.24l
0.29l
0.339
O.405
O.133
O.159
O.183
0.214
O.200
0.243
0.282
O.337
26
13
O.8
1
1.2
1.5
0.470
O.58l
O.690
0.848
O.369
O.456
0.541
0.666
O.103
O.124
O.142
O.168
0.309
0.376
O.438
0.524
O.158
0.190
0.219
O.258
0.238
0.289
0.337
O.403
30
10
O.8
1
1.2
1.5
0.482
0.597
O.708
O.871
O.379
0.469
0.556
0.684
O.0647
O.0769
O.0878
0.102
0.38l
0.463
O.541
O.649
0.129
O.154
O.176
0.204
O.254
0.309
0.36l
O.433
30
15
0.8
1
1.2
1.5
O.545
O.675
O.803
0.990
0.428
O.530
0.630
O.777
O.162
O.195
O.226
0.268
O.48l
O.587
O.688
O.829
O.216
0.260
O.302
0.358
O.321
O.391
O.459
O.552
?
18
O.8
l
1.2
1.5
0.583
O.723
O.859
1.06
0.458
O.567
0.675
0-832
0.244
O.296
0.345
O.412
0.542
O.662
O.776
O.937
0.27l
O.329
O.383
0.457
O.36l
O.44l
0.518
O.624
34
17
0.8
1
1.2
1.5
O.621
0.769
O.916
1.13
O.487
0.604
O.719
O.888
0.239
O.290
0.337
O.403
O.708
0.864
1.02
1.23
O.281
0.34l
0.396
O.474
O.417
0.508
0.599
O.724
43
32
2
2.23
1.75
2.71
4.34
1.70
2.02
44
22
1
1.2
1.5
2
1.Ol
1.20
1.48
1.95
0.789
0.941
1.17
1.53
0.65l
0.763
0.920
1.16
1.92
2.27
2.77
3.54
O.592
0.694
O.836
1.05
0.875
1.03
1.26
1.6l
45
15
1
1.2
1.5
2
0.911
1.09
1.34
1.76
O.715
O.852
1.05
1.38
O.282
0.327
O.389
0.478
1.64
1.93
2.35
2.99
O.376
O.436
O.519
O.637
0.727
O.857
1.04
1.33
23
1
1.2
1.5
2
1.04
1.24
1.53
2.01
0-814
O.970
1.20
1.58
0.734
O.861
1.04
1.31
2.09
2.47
3.Ol
3.86
O.638
0.749
O.904
1.14
O.929
1.10
1.34
1.72
28
1
1.2
1.5
2
1.12
1.33
1.65
2.17
O.875
1.05
1.29
1.70
1.14
1.34
1.63
2.07
2.38
2.8l
3.44
4.41
O.813
O.957
1.16
1.48
1.06
1.25
1.53
1.96
50
25
l
1.2
1.5
2
1.15
1.37
1.70
2.23
O.900
1.08
1.33
1.75
O.969
1.14
1.38
1.75
2.85
3.37
4.13
5.3l
0.775
O.912
1.10
1.40
1.27
1.35
1.65
2.12
34
17
2
1.48
1.16
O.496
1.56
0.584
0.918
36
12
O.8
l
1.2
1.5
0.583
O.723
0.859
1.06
0.458
O.567
O.675
0.832
O.115
0.139
0.159
0.187
0.670
0.819
0.961
1.16
O.192
O.23l
0.266
O.312
O.373
0.455
O.534
O.644
18
0.8
l
1.2
1.5
2
O.659
0.817
O.972
1.20
1.57
0.518
0.64l
O.763
O.944
1.23
O.286
O.347
O.405
O.484
0.600
0.846
1.04
1.22
1.48
1.87
O.318
0.386
O.450
O.538
O.667
O.470
0.576
O.677
O.82l
1.04
38
26
l
1.2
1.5
2
0.974
1.16
1.44
1.89
0.765
0.9ll
1.13
1.48
0.837
0.983
1.19
1.50
1.51
1.78
2.16
2.76
O.644
0.756
O.914
1.16
0.793
0.935
1.14
1.45
40
20
1
1.2
1.5
2
O.911
1.09
1.34
1.76
0.715
O.852
1.05
1.38
O.483
0.565
0.678
0.847
1.44
1.69
2.06
2.62
O.483
0.565
O.679
O.847
O.718
O.846
1.03
1.3l
43
32
1
1.2
1.5
1.15
1.37
1.70
0.900
1.08
1.33
1.48
1.75
2.13
2.34
2.76
3.38
O.927
l.09
1.33
1.09
1.29
1.57
50
39
1
1.2
1.5
2
1.37
1.63
2.03
2.67
1.07
1.28
1.59
2.10
2.63
3.10
3.80
4.88
3.84
4.55
5.59
7.21
1.35
1.59
1.95
2.50
1.54
1.82
2.23
2.88
51
17
1
1.2
1.5
2
1.04
1.24
1.53
2.Ol
0.814
0.970
1.20
1.58
0.418
0.488
0.584
O.723
2.42
2.85
3.48
4.45
O.4s12
0.574
O.687
O.851
O.947
1.12
1.36
1.75
54
28
l
1.2
1.5
2
1.26
1.50
1.86
2.45
0.987
1.18
1.46
1.92
1.33
1.57
1.90
2.43
3.70
4.38
5.36
6.92
0.949
1.12
1.36
1.73
1.37
1.62
1.99
2.56
55
23
1
1.2
1.5
2
1.19
1.42
1.77
2.32
0.937
1.12
1.39
1.82
0.877
1.03
1.24
1.57
3.44
4.07
4.98
6.41
0.762
O.895
1.08
1.36
1.25
1.48
1.81
2.33
35
l
1.2
1.5
2
2.5
1.38
1.65
2.05
2.70
3.34
1.09
1.30
1.6l
2.12
2.62
2.22
2.63
3.21
4.12
4.95
4.47
5.31
6.50
8.39
10.18
1.27
1.50
1.83
2.35
2.83
1.62
1.93
2.37
3.05
3.70
56
28
1
1.2
1.5
2
2.5
1.29
1.54
1.91
2.5l
3.10
1.01
1.21
1.50
1.97
2.44
1.37
1.62
1.97
2.5l
2.99
4.04
4.79
5.86
7.58
9.16
0.98l
1.16
1.41
1.79
2.13
1.44
1.71
2.09
2.71
3.27
60
20
1
1.2
1.5
2
2.5
1.23
1.46
1.81
2.39
2.95
O.962
1.15
1.42
1.88
2.3l
0.696
O.815
O.982
1.23
1.45
3.97
4.70
5.75
7.41
8.95
0.696
O.815
O.982
1.23
1.45
1.32
1.57
1.92
2.47
2.99
30
1
1.2
1.5
2
2.5
1.38
1.65
2.05
2.70
3.34
1.09
1.30
I.61
2.12
2.62
1.70
2.01
2.45
3.12
3.73
4.99
5.92
7.27
9.40
11.39
1.14
1.34
I.63
2.08
2.49
1.66
1.97
2.42
3.13
3.80
64
32
1
1.2
1.5
2
2.5
1.48
1.77
2.19
2.89
3.57
1.16
1.39
1.72
2.27
2.81
2.08
2.46
2.99
3.83
4.60
6.08
7.21
8.86
11.48
13.95
1.39
1.53
1.87
2.39
2.87
1.90
2.25
2.77
3.59
4.36
65
35
1
1.2
1.5
2
2.5
1.54
1.84
2.29
3.02
3.73
1.21
1.44
1.80
2.37
2.93
2.57
3.03
3.7l
4.76
5.73
6.68
7.92
9.74
12.64
15.37
1.47
1.73
2.12
2.72
3.27
2.06
2.44
3.00
3.89
4.73
66
22
1
1.2
1.5
2
2.5
1.35
1.61
2.00
2.64
3.26
1.06
1.27
1.57
2.07
2.56
O.937
1.10
1.33
1.68
1.98
5.32
6.29
7.73
1O.00
12.40
0.852
1.00
1.2l
1.52
1.80
1.6l
1.91
2.34
3.03
3.67
70
35
1.5
2
2.5
2.40
3.17
3.93
1.89
2.49
3.08
3.96
5.09
6.12
11.70
15.20
18.52
2.26
2.91
3.50
3.34
4.34
5.29
72
24
1.5
2
2.5
2.19
2.89
3.57
1.72
2.27
2.8l
1.75
2.2l
2.63
10.10
13.10
15.9l
1.46
1.85
2.19
2_81
3.64
4.42
76
38
1.5
2
2.5
2.62
3.46
4.28
2.05
2.71
3.36
5.1l
6.58
7.94
15.02
19.59
23.9I
2.69
3.46
4.18
3.95
5.16
6.29
80
40
1.5
2
2.5
2.76
3.64
4.52
2.16
2.86
3.55
5.99
7.73
9.35
17.62
22.97
28.03
3.00
3.86
4.67
4.41
5.74
7.Ol
81
27
1.5
2
2.5
2.47
3.27
4.05
1.94
2.57
3.18
2.53
3.23
3.85
14.53
18.90
23.02
1.88
2.39
2.86
3.59
4.67
5.68
8.4
42
1.5
2
2.5
2.90
3.83
4.75
2.28
3.Ol
3.73
6.97
9.00
10.9l
20.47
26.66
32.64
3.32
4.29
5.20
4.87
6.35
7.77
56
1.5
2
2.5
3.23
4.27
5.30
2.53
3.35
4.16
13.16
17.18
20.96
24.69
32.25
39.52
4.70
6.14
7.49
5.88
7.68
9.4l
90
30
1.5
2
2.5
2.16
3.64
4.52
2.76
2.86
3.55
3.53
4.5l
5.4I
20.08
26.16
32.01
2.35
3.00
3.60
4.46
5.81
7.11