不锈钢管比较.doc
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DN-公称直径 Ф-外径
DN15-ф22mm, DN20-ф27mm DN25-ф34mm, DN32-ф42mm DN40-ф48mm, DN50-ф60mm DN65-ф76(73)mm, DN80-ф89mm DN100-ф114mm, DN125-ф140mm DN150-ф168mm,DN200-ф219mm DN250-ф273mm,DN300-ф324mm DN350-ф360mm,DN400-ф406mm DN450-ф457mm,DN500-ф508mm DN600-ф610mm,DN15-ф18mm,DN20-ф25mm DN25-ф32mm,DN32-ф38mm DN40-ф45mm,DN50-ф57mm DN65-ф73mm,DN80-ф89mm DN100-ф108mm,DN125-ф133mm DN150-ф159mm,DN200-ф219mm DN250-ф273mm,DN300-ф325mm DN350-ф377mm,DN400-ф426mm DN450-ф480mm,DN500-ф530mm DN600-ф630mm,
DN15,DN20,DN25是外径。四分管和六分管的直径 1 英寸=25.4毫米 =8英分 1/2 是 四分(4英分) DN15 3/4 是 六分(6英分) DN20 2分管 DN8 4分管 DN15 6分管 DN20 1′ DN25 1.2 DN32 1.5 DN40 2′ DN50 2.5 DN65 3′ DN80 4′ DN100 5′ DN125 6′ DN150 8′ DN200 10 DN250 12 DN300 GB/T50106-2001
钢管规格及其理论重量表(1)
外径 /mm
壁 厚/mm
0.5
0.6
0.8
1.0
1.2
1.4
1.5
1.6
1.8
2.0
2.2
2.5
2.8
3.0
3.2
3.5
钢管理论质量/(kg/m)
5
0.055
0.065
0.083
0.099
8
0.092
0.109
0.142
0.173
0.201
10
0.117
0.139
0.181
0.222
0.260
12
0.142
0.169
0.221
0.271
0.320
0.366
0.388
0.410
13
0.183
0.241
0.296
0.343
0.400
0.425
0.450
14
0.198
0.260
0.321
0.379
0.435
0.462
0.489
15
0.123
0.280
0.345
0.408
0.470
0.499
0.529
16
0.228
0.300
0.370
0.438
0.504
0.536
0.568
17
0.243
0.320
0.395
0.468
0.359
0.573
0.608
18
0.257
0.339
0.419
0.497
0.573
0.610
0.647
19
0.272
0.359
0.444
0.527
0.608
0.647
0.687
20
0.287
0.379
0.469
0.556
0.642
0.684
0.726
0.808
0.888
21
0.399
0.493
0.586
0.677
0.721
0.765
0.852
0.937
22
0.418
0.518
0.616
0.704
0.758
0.805
0.897
0.986
1.074
25
0.477
0.592
0.704
0.815
0.869
0.923
1.030
1.134
1.237
1.387
28
0.537
0.666
0.793
0.918
0.980
1.0412
1.163
1.282
1.400
1.572
1.740
30
0.576
0.715
0.852
0.987
1.054
1.121
1.252
1.381
1.508
1.695
1.878
1.997
32
0.764
0.911
1.065
1.128
1.199
1.341
1.480
1.617
1.1819
2.016
2.145
34
0.814
0.971
1.125
1.202
1.278
1.429
1.578
1.725
1.942
2.154
2.293
37
0.888
1.059
1.229
1.313
1.397
1.562
1.726
1.888
2.127
2.361
2.515
38
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