方钢尺寸规格表之欧阳美创编.docx
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方钢尺寸规格表之欧阳美创编
方钢尺寸规格表
时间：
2021.01.01
创作：
欧阳美
（1）尺寸规格见表6—40表6—45。
国标号GB/76728
表640冷拔无缝方形钢管的尺寸规格
基本尺寸
截面面积F／cm2
理论质量G／（kg／m）
惯性矩Jx=Jy／cm4
截面系数Wx=Wy／cm3
A
S
mm
12
O.8
1.0
O.348
0423
O.273
0.332
O.0739
O.0873
O.123
O.146
14
1.0
1.5
0.503
O.712
O.394
O.559
0.144
O.192
O.206
0.274
16
1.O
1.5
O.583
O.832
O.458
0.653
O.222
O.300
O.278
O.374
18
1.O
1.5
2.O
0.663
0.952
1.21
O.521
0.747
O.952
O.324
O.442
0.535
O.360
O.491
0.595
20
1.0
1.5
2.0
2.5
O.743
1.07
1.37
1.64
0.583
O.841
1.08
1.29
O.453
0.624
O.763
O.874
0453
O.624
O.763
O.874
22
1
1.5
27
2.5
O.823
1.19
1.53
1.84
O.646
O.936
1.20
1.45
O.612
0.850
1.05
1.21
O.556
O.773
O.953
1.10
25
2.5
3
2.14
2.49
1.68
1.95
1.86
2.08
1.49
1.57
30
2.5
3
3.5
4
2.64
3.01
3.50
3.89
2.08
2.42
2.75
3.05
3.41
3.86
4.25
4.58
2.27
2.58
2.83
3.05
32
2.5
3
3.5
2.84
3.33
378
2.23
2.61
2.97
4.21
4.79
5.29
2.63
3.00
3.31
32
4
4.21
3.30
5.73
3.58
35
2.5
3
3.5
4
5
3.14
3.69
4.20
4.68
5.58
2.47
2.89
3.30
3.68
4.38
5.54
6.45
7.16
7.78
8.79
3.22
3.68
4.09
4.45
5.02
36
2.5
3
3.5
4
5
3.24
3.81
4.3_4
4.85
5.75
2.55
2.99
3.4l
3.8l
4.53
6.18
7.07
7.87
8.56
9.70
3.43
3.93
4.37
4.76
5.39
40
2.5
3
3.5
4
5
6
3.64
4.29
4.90
5.49
6.58
7.55
2.86
3.37
3.85
4.3l
5.16
5.93
8.68
9.98
11.16
12.21
13.98
15.34
4.34
4.99
5.58
6.1l
6.99
7.67
42
2.5
3
3.5
4
5
6
3.84
4.53
5.18
5.81
6.98
8.03
3.02
3.55
4.07
4.56
5.48
6.30
10.15
11.70
13.10
14.37
16.56
18.22
4.83
5.57
6.24
6.84
7.87
8.58
45
3.5
4
5
5.60
6.23
7.58
4.40
4.94
5.95
16.43
18.07
20.90
7.30
8.03
9.29
45
6
7
8
8.75
9.81
10.8
6.87
7.80
8.44
23.19
24.97
26.30
lO.31
11.10
11.59
50
4
5
6
7
8
7.09
8.58
9.95
11.21
12.35
5.56
6.73
7.8l
8.80
9.70
25.56
29.81
33.35
36.23
38.51
10.22
11.93
13.34
14.49
15.41
55
4
5
6
7
8
7.89
9.58
11.15
12.51
13.95
6.19
7.52
8.75
9.90
10.95
34.87
40.95
46.13
50.47
54.04
12.58
14.89
16.77
18.35
19.65
60
4
5
6
7
8
8.69
10.58
12.35
14.0l
15.55
6.82
8.30
9.69
11.00
12.21
46.21
54.57
61.82
68.03
73.28
15.4
18.19
20.61
22.68
24.43
65
4
5
6
7
8
9.49
11.58
13.55
15.41
17.15
7.45
9.07
10.64
12.10
13.47
59.78
70.92
80.72
89.27
96.64
18.39
21.82
24.84
27.46
29.74
70
4
5
6
10.29
12.58
14.7
8.08
9.87
11.58
75.78
90.26
103.1
21.65
25.79
29.47
70
7
8
16.81
18.75
13.19
14.72
114.5
124.5
32.72
35.57
75
4
5
6
7
8
11.09
13.58
15.95
1821
20.35
8.70
10.66
12.52
14.29
15.98
94.4
112.8
129.4
144.2
157.3
25.17
30.08
34.50
38.44
41.94
80
4
5
6
7
8
11.89
14.58
17.15
19.61
21.95
9.33
11.44
13.46
15.39
17.23
115.9
138.9
159.7
178.5
195.4
28.96
34.72
39.93
44.63
48.85
5
6
7
8
16.98
20.03
22.97
25.79
13.33
15.72
18.03
20.25
217.1
251.1
282.3
310.9
47.19
54.59
61.38
67.58
100
5
6
7
8
18.58
21.95
25.21
28.35
14.58
17.23
19.79
22.26
282.8
328.2
370.2
408.9
56.57
65.54
74.04
81.78
110
7
8
9
28.01
31.55
34.98
21.99
24.77
27.46
503.4
557.9
608.4
91.54
101.4
11O.6
注：
理论质量计算
G=0.0157S（A+A一2.8584S）
式中 G——每米钢管的质量（kg／m）；
A——方形钢管的边长（mm）；
S——方形钢管的公称壁厚（mm）.
以钢管R=1.5S时，钢的密度为7.85g／cm3的计算公式。
表641冷拔无缝矩形钢管的尺寸规格
基本尺寸
截面面积F
／cm2
理论质量G
／（kg／m）
惯性矩
截面系数
A
B
S
Jx
Jy
Wx
wy
mm
cm4
cm3
lO
5
0.8
l
O.203
O.243
O.160
O.191
O.0074
O.0082
O.0239
O.0270
0.0297
0.0329
0.0478
0.0547
12
5
0.8
l
0.235
0.283
0.185
0.222
O.0088
0.0099
O.0388
O.0449
O.0354
O.0395
O，0646
O.0748
6
O.8
l
O.251
O.303
0.197
0.238
0.0139
0.0157
O.0438
0.0509
O.0462
O.0524
0.0730
O.0849
14
6
0.8
1
1.5
0.283
0.343
O.471
O.223
O.269
O.370
0.0160
O.0182
O.0215
0.0654
0.0767
O.0973
0.0535
O.0608
O.0715
O.0935
O.110
O.139
7
0.8
l
1.5
0.299
O.363
O.501
O.235
0.285
O.394
0.0233
O.0268
0.0324
O.0724
O.0852
0.109
O.0665
0.0765
O.0927
O.104
O.122
0.156
10
O.8
l
1.5
2
O.347
O.423
0.591
0.73l
O.273
O.332
0.464
0.574
O.0545
O.0640
0.0818
0.0925
O.0934
O.111
O.144
O.167
O.109
O.128
O.164
O.185
0.133
O.158
O.206
O.238
15
6
0.8
1
1.5
2
O.299
O.363
O.501
O.611
O.235
O.285
O.394
O.480
0.0171
0.0195
O.0230
O.0240
0.0784
O.0922
O.118
0.133
O.0571
O.0651
O.0768
O.0799
0.105
O.123
O.157
0.177
16
8
O.8
l1.5
2
O.347
O.423
0.59l
O.731
0.273
0.332
O.464
0.574
0.0362
0.042l
O.0525
0.0579
0.111
0.132
O.173
O.200
O.0905
0.105
O.131
O.145
O.139
O.165
O.216
0.250
12
0.8
1
1.5
2
O.411
0.503
O.711
O.89l
O.323
0.395
0.559
O.700
O.0941
O.112
0.147
O.170
0.148
0.177
O.236
0.279
0.157
0.186
O.244
0.284
O.186
O.222
O.295
0.349
18
9
0.8
1
1.5
2
O.395
O.483
O.681
0.851
0.310
O.379
O.535
0.668
0.0532
O.0624
O.0796
O.0897
O.162
O.194
0.258
O.304
0.118
0.139
O.177
O.199
0.180
O.215
O.287
0.337
10
O.2
1
1.5
2
0.411
O.503
0.711
0.89l
0.323
O.395
O.559
0.700
O.0680
0.0802
O.1037
O.119
0.174
0.208
O.278
0.329
0.136
O.161
0.207
0.237
0.194
O.23l
0.309
O.366
14
O.8
l
1.5
2
0.475
0.583
0.83l
1.051
0.373
O.458
0.653
O.825
O.149
O.178
O.239
O.283
0.222
O.266
O.360
0.432
0.213
O.255
O.341
0.404
O.246
O.296
O.400
O.480
20
8
0.8
1
1.5
2
0.411
0.503
0.711
O.891
O.323
0.395
O.559
0.700
O.0445
0.0520
O.0654
O.0728
O.197
O.236
0.315
O.373
O.111
O.130
O.164
O.182
O.197
0.236
O.315
O.373
10
0.8
1
1.5
2
O.443
0.543
0.771
0.971
O.348
0.426
0.606
O.763
O.0748
O.0884
O.115
O.132
0.227
O.272
0.367
O.438
0.150
O.177
0.229
O.263
0.227
0.272
0.367
O.438
12
0.8
1
1.5
2
2.5
0.475
0.583
O.831
1.05
1.24
O.373
O.458
0.653
O.825
0.976
O.114
O.136
0.180
0.211
0.23l
O.256
0.308
0.418
O.503
0.565
O.190
0.226
O.300
0.352
0.385
0.256
0.308
O.418
O.503
0.565
22
9
O.8
l
1.5
2
2.5
O.459
O.563
O.801
1.011
1.19
O.361
O.442
O.629
O.794
O.936
0.0640
0.0753
O.0967
O.110
O.117
O.27l
O.325
0.440
O.527
0.589
O.142
O.167
O.215
O.244
0.259
0.246
0.295
0.400
O.479
O.536
14
O.8
l
1.5
2
2.5
0.539
0.663
O.951
1.21
1.44
O.423
0.520
O.746
O.951
1.13
O.177
O.212
0.286
O.34l
0.381
O.361
O.435
0.598
O.727
O.828
O.253
O.303
0.408
0.487
O.544
0.328
0.396
0.543
O.66l
O.753
24
12
O.8
1
1.5
2
2.5
O.539
O.663
0.951
1.2l
1.44
O.423
O.520
O.747
O.951
1.13
O.134
O.160
O.213
O.252
O.277
0.403
0.487
0.669
O.815
O.928
0.224
O.267
O.355
0.419
O.462
O.336
O.406
O.557
0.679
0.774
25
lO
O.8
1
1.5
2
2.5
O.523
O.643
O.921
1.17
1.39
O.411
0.505
O.723
O.920
1.09
0.0918
0.109
O.142
O.164
O.178
0.399
O.482
0.660
O.802
O.910
0.184
O.217
0.284
O.329
O.355
O.320
O.386
O.528
0.642
0.728
15
1
1.5
2
2.5
O.743
1.07
1.37
1.64
O.583
0.84l
1.08
1.29
O.279
O.379
0.457
O.515
0.626
0.868
1.07
1.23
O.372
O.505
0.609
O.687
0.501
O.6914
O.854
O.983
28
11
1
1.5
2
2.5
0.723
1.04
1.33
1.59
0.567
O.818
1.05
1.25
O.151
0.200
O.235
0.257
0.683
0.945
1.16
1.33
O.274
0.363
O.426
O.468
O.488
O.675
O.328
O.95l
14
l
1.5
2
2.5
0.783
1.13
1.45
1.74
O.615
O.888
1.14
1.37
O.263
O.356
O.428
0.482
0.792
1.10
1.36
1.58
O.376
O.509
O.612
O.688
0.566
0.788
O.973
1.13
16
1
1.5
2
2.5
O.823
1.19
1.53
1.84
O.646
0.935
1.20
1.45
0.357
0.489
O.595
0.676
O.865
1.2l
1.50
1.74
0.447
O.612
O.743
0.845
O.618
O.863
1.07
1.24
28
22
1
1.5
2
2.5
3
3.5
O.943
1.37
1.77
2.14
2.49
2.80
0.740
1.08
1.39
1.68
1.95
2.20
O.744
1.04
1.29
1.50
1.67
1.80
1.08
1.52
1.90
2.23
2.50
2.72
0.677
0.945
1.17
1.36
1.52
1.64
O.774
1.09
1.36
1.59
1.79
1.94
30
12
1.5
2
2.5
3
1.13
1.45
1.74
2.O1
0.888
1.14
1.37
1.57
0.263
0.312
0.347
O.369
1.19
1.48
1.7l
1.89
0.439
O.520
0.578
O.614
0.796
O.984
1.14
1.26
32
13
1.5
2
2.5
3
1.22
1.57
1.90
2.19
O.959
1.23
1.49
1.72
O.339
O.406
O.454
O.488
1.48
1.84
2.14
2.39
0.521
O.624
O.699
0.75l
O.927
1.15
1.34
1.49
16
1.5
2
2.5
3
1.3l
1.69
2.04
2.37
1.03
1.33
1.60
1.86
0.553
0.674
0.768
O.840
1.69
2.11
2.47
2.77
0.691
O.842
O.961
1.05
1.07
1.32
1.54
1.73
25
1.5
2
2.5
3
1.58
2.05
2.49
2.91
1.21
1.61
1.96
2.28
1.57
1.97
2.31
2.60
2.32
2.92
3.45
3.91
1.26
1.58
1.85
2.08
1.45
1.83
2.16
2.44
35
14
1.5
2
2.5
3
3.5
1.34
1.73
2.09
2.43
2.73
1.05
1.36
1.64
1.90
2.14
O.439
0.530
0.599
O.649
O.683
1.96
2.45
2.86
3.2l
3.50
O.627
0.757
0.856
0.928
0.975
1.12
1.40
1.64
1.84
2.00
36
18
1.5
2
2.5
3
3.5
1.49
1.93
2.34
2.73
3.08
1.17
1.52
1.84
2.14
2.42
0.811
0.998
1.15
1.27
1.37
2.46
3.10
3.65
4.13
4.53
0.901
1.11
1.28
1.41
1.52
1.37
1.72
2.03
2.29
2.51
28
2
2.33
1.83
2.85
4.26
2.04
2.36
37
15
2
2.5
3
3.5
4
1.85
2.24
2.6l
2.94
3.25
1.45
1.76
2.05
2.31
2.55
O.661
0.753
O.821
O.870
O.901
2.96
3.47
3.9l
4.28
4.58
O.881
1.00
1.09
1.16
1.20
1.60
1.88
2.12
2.31
2.48
40
16
2
2.5
3
3.5
4
2.01
2.44
2.85
3.22
3.57
1.58
1.92
2.23
2.53
2.80
O.832
O.953
1.05
1.12
1.16
3.77
4.46
5.05
5.55
5.97
1.04
1.19
1.3l
1.40
1.46
1.89
2.23
2.52
2.77
2.98
20
2
2.5
3
3.5
4
2.17
2.64
3.09
3.50
3.86
1.70
2.07
2.42
2.75
3.05
1.41
1.64
1.83
1.99
2.11
4.35
5.16
5.87
6.48
7.0l
1.41
1.64
1.83
1.99
2.11
2.18
2.58
2.93
3.24
3.50
25
2
2.5
3
3.5
4
2.37
2.89
3.39
3.85
4.29
1.86
2.27
2.66
3.02
3.36
2.39
2.82
3.18
3.49
3
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