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  生 铁   钢 坯   棒 材
  线 材   球 管   尿 素
  重 汽   中宽带钢   钢 管
  水渣及焦化副产品   管 件   木塑门窗
  商品房   中国辽砚     

【钢 管】

钢管的品种主要有:Φ15mm—Φ300mm低压流体输送用焊管钢管、石油管线及方、矩型结构管三个系列多种规格。产品于1996年通过了ISO9002质量体系认证,质量达到了国内先进水平。
  产品可广泛应用于水、石油、天然气、煤气等输送管线,还可用于工程结构、船舶、煤炭、化工、热力管网等领域。

GB/T 3092-93
公称直径
外径
普通钢管
加厚钢管
mm
in
公称
尺寸mm
允许
偏差
壁 厚
理论
重量
Kg/m
壁 厚
理论
重量
Kg/m
公称尺寸mm
允许
偏差 %
公称尺寸
mm
允许
偏差%
15
1/2
21.3
±0.5mm
2.75
+12
-15
1.26
3.25
+12
-15
1.45
20
3/4
26.8
2.75
1.63
3.50
2.01
25
1
33.5
3.25
2.42
4.00
2.91
32
1 1/4
42.3
3.25
3.16
4.00
3.78
40
1 1/2
48.0
3.50
3.84
4.25
4.28
50
2
60
±1%
3.50
4.88
4.50
6.16
65
2 1/2
75.5
3.75
6.64
4.50
7.88
80
3
88.5
4.00
8.34
4.75
9.81
100
4
114.0
4.00
10.35
5.00
13.44
125
5
140.0
4.00
18.42
5.50
18.24
150
6
165.0
4.50
17.81
5.50
21.63

GB/T 14980-94
公称直径 D
壁 厚 S(mm)
4.0
4.5
5.0
5.5
6.0
7.0
8.0
10.0
11.0
12.0
(in)
mm
理 论 质 量 (重量) kg/m
(6 5/8)
168.3
16.21
18.18
20.13
22.08
24.01
(7)
177.8
17.14
19.23
21.30
23.37
25.42
(7 5/8)
193.7
18.71
20.10
23.27
25.52
27.80
(8 5/8)
219.1
21.22
23.81
26.40
28.97
31.53
36.61
41.63
51.56
(9 5/8)
244.5
28.72
26.63
29.53
32.42
35.29
41.00
46.66
57.83
(10 3/4)
273
33.04
36.28
39.51
45.92
52.28
64.86
(12 3/4)
323.9
39.32
43.19
47.04
54.70
62.32
77.41
84.88
92.30
(14)
355.6
47.48
51.73
60.18
68.57
85.22
93.48
101.7
(16)
406.4
54.37
59.24
68.94
78.59
97.75
107.3
116.7
(18)
457.2
61.26
66.76
77.71
88.62
110.3
121.4
131.7
(20)
508
68.15
74.28
86.48
98.64
122.8
134.8
146.8
 注:根据用户要求,并经供商双方协议,可供应介于该表所列外径和壁厚之间的尺寸。

输送钢管尺寸、重量及试验压力(API 5L〕
规格
理论重量
静水压试验压力 MPa
公称外径
公称壁厚
API 5L
in
mm
mm
Kg/m
A
B
X42
X46
X52
X56
X60
X65
X70
4 1/2
114.3
3.2
3.6
4.0
4.4
4.8
5.2
5.6
6.0
6.4
7.1
7.9
8.6
8.77
9.83
10.88
11.92
12.96
13.99
15.01
16.02
17.03
18.77
20.73
22.42
7.0
7.8
8.7
9.6
10.4
11.3
12.2
13.0
13.9
15.4
17.2
18.7
8.1
9.1
10.1
11.1
12.1
13.2
14.2
15.2
16.2
18.0
19.3
19.3
9.7
11.0
12.2
13.4
14.6
15.8
17.0
18.3
19.5
20.7
20.7
20.7
10.6
12.0
13.3
14.6
16.0
17.3
18.6
20.7
20.7
20.7
20.7
20.7
12.1
13.6
15.1
16.6
18.1
19.6
20.7
20.7
20.7
20.7
20.7
20.7
13.0
14.6
16.2
17.8
19.5
20.7
20.7
20.7
20.7
20.7
20.7
20.7
13.9
15.6
17.4
19.1
20.7
20.7
20.7
20.7
20.7
20.7
20.7
20.7
15.1
16.9
18.8
20.7
20.7
20.7
20.7
20.7
20.7
20.7
20.7
20.7
16.2
18.3
20.3
20.7
20.7
20.7
20.7
20.7
20.7
20.7
20.7
20.7
5 9/16

141.3
3.2
4.0
4.8
5.6
6.6
7.1
7.9
8.7
9.5
10.90
13.54
16.16
18.74
21.92
23.50
25.99
28.45
30.88
5.6
7.0
8.4
9.8
11.6
12.5
13.9
15.3
16.7
6.5
8.2
9.8
11.5
13.5
14.5
16.2
17.8
19.3
7.8
9.7
11.7
13.7
16.1
17.6
20.7
20.7
20.7
8.5
10.7
12.9
15.0
17.7
19.2
20.7
20.7
20.7
9.7
12.1
14.5
17.0
19.9
20.7
20.7
20.7
20.7
10.3
13.2
15.7
18.3
20.7
20.7
20.7
20.7
20.7
11.2
13.9
16.8
19.5
20.7
20.7
20.7
20.7
20.7
12.1
14.6
18.2
20.7
20.7
20.7
20.7
20.7
20.7
13.0
16.3
19.6
20.7
20.7
20.7
20.7
20.7
20.7
6.296
159.0
3.5
4.0
4.5
5.0
5.5
6.0
7.0
8.0
9.0
10.0
13.42
15.29
17.14
18.99
20.82
22.64
26.24
29.79
33.29
36.74
6.8
7.8
8.8
9.8
10.7
11.7
13.7
15.6
17.6
19.3
8.0
9.1
10.2
11.4
12.5
13.6
15.9
18.2
19.3
19.3
9.5
10.9
12.3
13.6
15.0
16.4
19.1
20.7
20.7
20.7
10.5
12.0
13.5
15.0
16.4
17.9
20.7
20.7
20.7
20.7
11.8
13.5
15.2
16.9
18.6
20.3
20.7
20.7
20.7
20.7
12.7
14.6
16.4
18.2
20.0
20.7
20.7
20.7
20.7
20.7
13.6
15.6
17.5
19.5
20.7
20.7
20.7
20.7
20.7
20.7
14.8
16.9
19.0
20.7
20.7
20.7
20.7
20.7
20.7
20.7
15.9
18.2
20.5
20.7
20.7
20.7
20.7
20.7
20.7
20.7
6 5/8

168.3
3.5
4.0
4.5
5.0
5.5
6.0
7.0
8.0
9.0
10.0
14.22
16.21
18.18
20.13
22.08
24.01
27.84
31.62
35.36
39.04
6.5
7.4
8.3
9.2
10.1
11.1
12.9
14.8
16.6
18.4
7.5
8.6
9.7
10.7
11.8
12.9
15.0
17.2
19.3
19.3
9.0
10.3
11.6
12.9
14.2
15.5
18.0
20.6
20.7
20.7
9.9
11.3
12.7
14.1
15.5
17.0
19.8
20.7
20.7
20.7
11.2
12.8
14.4
16.0
17.5
19.1
20.7
20.7
20.7
20.7
12.0
13.8
15.5
17.2
18.9
20.6
20.7
20.7
20.7
20.7
12.9
14.7
16.6
18.4
20.2
20.7
20.7
20.7
20.7
20.7
14.0
16.0
18.0
20.0
20.7
20.7
20.7
20.7
20.7
20.7
15.0
17.2
19.3
20.7
20.7
20.7
20.7
20.7
20.7
20.7
8 5/8

219.1
3.5
4.0
4.5
5.0
5.5
6.0
7.0
8.0
9.0
10.0
18.61
21.22
23.81
26.40
28.97
31.53
36.61
41.45
46.63
51.56
5.0
5.7
6.4
7.1
7.8
8.5
9.9
11.3
12.8
14.2
5.8
6.6
7.4
8.2
9.1
9.9
11.5
13.2
14.8
16.5
6.9
7.9
8.9
9.9
10.9
11.9
13.8
15.8
17.8
19.8
7.6
8.7
9.8
10.9
11.9
13.0
15.2
17.4
19.5
20.7
8.6
9.8
11.0
12.3
13.5
14.7
17.2
19.6
20.7
20.7
9.2
10.6
11.9
13.2
14.5
15.9
18.5
20.7
20.7
20.7
9.9
11.3
12.7
14.1
15.6
17.0
19.8
20.7
20.7
20.7
10.7
12.3
13.8
15.3
16.9
18.4
20.7
20.7
20.7
20.7
11.5
13.2
14.8
16.5
18.1
19.8
20.7
20.7
20.7
20.7
10 3/4

273.1
3.5
4.0
4.5
5.0
5.5
6.0
7.0
8.0
9.0
10.0
23.26
26.53
29.80
33.04
36.28
39.51
45.92
52.28
58.59
64.86
4.0
4.5
5.1
5.7
6.3
6.8
8.0
9.1
10.2
11.4
4.6
5.3
6.0
6.6
7.3
7.9
9.3
10.6
11.9
13.2
6.3
7.2
8.1
9.0
9.9
10.8
12.6
14.4
16.2
18.0
6.9
7.9
8.9
9.9
10.9
11.8
13.8
15.8
17.8
19.7
7.8
8.9
10.0
11.1
12.3
13.4
15.6
17.8
20.1
20.7
8.4
9.6
10.8
12.0
13.2
14.4
16.8
19.2
20.7
20.7
9.0
10.3
11.6
12.9
14.1
15.4
18.0
20.6
20.7
20.7
9.8
11.2
12.6
13.9
15.3
16.7
19.5
20.7
20.7
20.7
10.5
12.0
13.5
15.0
16.5
18.0
20.7
20.7
20.7
20.7
12 3/4
323.9
4.5
5.0
5.5
6.0
7.0
8.0
9.0
10.0
11.0
12.0
35.44
39.32
43.18
47.04
54.70
62.32
69.89
77.41
84.88
92.30
4.3
4.8
5.3
5.8
6.7
7.7
8.6
9.6
10.5
11.5
5.0
5.6
6.1
6.7
7.8
8.9
10.0
11.2
12.3
13.4
6.8
7.6
8.3
9.1
10.6
12.1
13.7
15.2
16.7
18.2
7.5
8.3
9.2
10.0
11.6
13.3
15.0
16.6
18.3
20.0
8.5
9.4
10.3
11.3
13.2
15.0
16.9
18.8
20.7
20.7
9.1
10.1
11.1
12.2
14.2
16.2
18.2
20.3
20.7
20.7
9.8
10.8
11.9
13.0
15.2
17.3
19.5
20.7
20.7
20.7
10.6
11.8
12.9
14.1
16.5
18.8
20.7
20.7
20.7
20.7
11.4
12.6
13.9
15.2
17.7
20.2
20.7
20.7
20.7
20.7

光端钢管的尺寸、重量和试验压力
规格
公称重量
重量级
系列号
试验压力(kpa)
公称尺寸
外径(mm)
壁厚 (mm)
4
4.500
(114.3)
0.125(3.18)
0.156(3.96)
0.188(4.78)
0.219(5.56)
0.237(6.02)
0.250(6.02)
0.281(7.14)
0.312(7.92)
0.337(8.56)
5.84(8.71)
7.24(10.78)
8.66(12.91)
10.01(14.91)
10.79(16.07)
11.35(16.90)
12.66(18.87)
13.98(20.78)
14.98(22.32)




STD



XS





40



80
1000(6890)1170(8070)
1250(8620)1460(10070)
1500(10340)1750(12070)
1750(12070)2040(14070)
1900(13100)2210(15240)
2000(13790)2330(16060)
2250(15110)2620(18060)
2500(17240)2800(19310)
2700(18620)2800(19310)
5
5.563
(141.3)
0.156(3.96)
0.188(4.78)
0.219(5.56)
0.258(6.55)
0.281(7.14)
0.312(7.92)
0.344(8.74)
0.375(9.52)
9.01(13.41)
10.79(16.09)
12.50(18.61)
14.62(21.77)
15.85(23.62)
17.50(26.05)
19.17(28.57)
20.78(30.94)



STD



XS




40



80
1010(6960) 1180(8140)
1220(8410) 1420(9790)
1420(9790) 1650(11380)
1670(11510) 1950(13440)
1820(12550) 2120(14620)
2020(13930) 2360(16270)
2230(15380) 2600(17930)
2430(16750) 2800(19310)
6
6.625
(168.3
0.188(4.78)
0.219(5.56)
0.250(6.35)
0.280(7.11)
0.312(7.92)
0.344(8.74)
0.375(9.52)
0.432(10.97)
12.92(19.27)
14.98(22.31)
17.02(25.36)
18.97(28.26)
21.04(31.32)
23.08(34.39)
25.03(37.28)
28.57(42.56)



STD



XS




40



80
1020(7030) 1190(8200)
1190(8200) 1390(9580)
1360(93801 1580(10890)
1520(10480) 1780(12270)
1700(11720) 1980(13650)
1870(12890) 2180(15030)
2040(14070) 2380(16410)
2350(16200) 2740(18890)
8
8.625
(219.1)
0.188(4.78)
0.203(5.16)
0.219(5.56)
0.250(6.35)
0.277(7.04)
0.312(7.92)
0.322(8.18)
0.344(8.74)
0.375(9.52)
0.406(10.31)
16.94(25.26)
18.26(27.22)
19.66(29.28)
22.36(33.31)
24.70(36.31)
27.70(41.24)
28.55(42.55)
30.42(45.34)
33.04(49.20)
35.64(53.08)






STD





20
30

40


60
780(5380) 920(6340)
850(5860) 1000(6890)
910(6270) 1070(7380)
1040(7170) 1220(8410)
1160(7800) 1350(9310)
1300(8960) 1520(10480)
1340(9240) 1570(10820)
1440(9930) 1680(11580)
1570(10820) 1930(12620)
1700(1172) 2000(13790)
10
10.750
(273.0)
0.188(4.78)
0.203(5.16)
0.219(5.56)
0.250(6.35)
0.279(7.09)
0.307(7.80)
0.344(8.74)
0.365(9.27)
21.21(31.62)
22.87(34.08)
24.63(36.67)
28.04(41.75)
31.20(46.49)
34.24(51.01)
38.23(56.96)
40.48(60.29)







STD



20

30

40

630(4340) 730(5030)
680(4690) 800(5520)
730(5030) 860(5930)
840(5790) 980(6760)
930(6410) 1090(7520)
1030(7100) 1200(8270)
1150(7930) 1340(9240)
1200(8410) 1430(9860)

12
12.750
(323.8)
0.203(5.16)
0.219(5.56)
0.250(6.35)
0.281(7.14)
0.312(7.92)
0.330(8.38)
0.344(8.74)
0.375(9.52)
0.460(10.31)
27.20(40.55)
29.31(43.36)
33.38(49.71)
37.42(55.75)
41.45(61.69)
43.77(65.18)
45.58(67.90)
49.56(73.78)
53.52(79.70)







STD



20


30


40

570(3930) 670(4620)
620(4270) 720(4960)
710(4900) 820(5650)
790(5450) 930(6410)
880(6070) 1030(7100)
930(6410) 1090(7520)
970(6690) 1130(7790)
1060(7310) 1240(8550)
1150(7930) 1340(9240)

方形空心型钢基本尺寸与主要参数 GB6728-86,ASTM A500
边长
mm
尺寸允许
偏差mm
壁厚
mm

理论重
量Kg/m

截面面积cm2

惯性矩
cm4
回转半径cm
截面模
数 cm3
扭转常数
A
普通精度
较高精度
Ix=Iy
Rx=Ry
Wx=Wy
Ity cm2
Wty cm2
25
±0.60
±0.30
1.2
0.867
1.105
1.025
0.963
0.820
1.655
1.352
1.5
1.061
1.352
1.216
0.948
0.973
1.998
1.643
2.0
1.363
1.736
1.482
0.923
1.186
2.502
2.085
30
2.5
2.032
2.589
3.154
1.103
2.102
5.347
3.720
3.0
2.361
3.008
3.500
1.078
2.333
6.060
4.269
40
±0.80
±0.40
2.5
2.817
3.589
8.213
1.512
4.106
13.539
6.970
3.0
3.303
4.208
9.320
1.488
4.660
15.628
8.109
4.0
4.198
5.347
11.064
1.438
5.532
19.152
10.120
50

±1.00
±0.50
2.5
3.602
4.589
16.941
1.921
6.776
27.436
11.220
3.0
4.245
5.408
19.463
1.897
7.785
31.972
13.149
4.0
5.454
6.947
23.725
1.847
9.490
40.047
16.680
60
±1.20
±0.60
2.5
4.387
5.589
30.340
2.329
10.113
48.539
16.470
3.0
5.187
6.608
35.130
2.305
11.710
56.892
19.389
4.0
6.710
8.547
43.539
2.256
14.513
72.188
24.840
5.0
8.129
10.356
50.468
2.207
16.822
85.560
29.767
70
3.0
6.129
7.808
57.522
2.714
16.434
92.188
26.829
4.0
7.966
10.147
72.108
2.665
20.602
117.975
34.600
5.0
9.699
12.356
84.602
2.616
24.172
141.183
41.767
80

±1.40
3.0
7.071
9.008
87.838
3.122
21.959
139.660
35.469
4.0
9.222
11.747
111.031
3.074
27.757
179.808
45.960
5.0
11.269
14.356
131.414
3.025
32.853
216.628
55.767
90
±1.50
±0.75
3.0
8.013
10.208
127.277
3.531
28.283
201.108
45.309
4.0
10.478
13.347
161.907
3.482
35.979
260.088
58.920
5.0
12.839
16.356
192.903
3.434
42.867
314.896
71.767
6.0
15.097
19.232
220.420
3.385
48.982
365.452
83.837
100
±1.60
±0.80
4.0
11.734
14.947
226.337
3.891
45.267
361.213
73.480
5.0
14.409
18.356
271.071
3.842
54.214
438.986
89.767
6.0
16.981
21.632
311.415
3.794
62.283
511.558
105.197
120
±1.80
±0.90
4.0
14.246
18.147
402.260
4.708
67.043
635.603
107.400
5.0
17.549
22.356
485.441
4.659
80.906
776.632
131.767
6.0
20.749
26.432
562.094
4.611
93.683
910.281
155.117
8.0
26.840
34.191
696.637
4.513
116.106
1155.010
198.726
140
±2.00
±1.00
4.0
16.758
21.347
651.598
5.524
93.085
1022.176
147.720
5.0
20.689
26.356
790.523
5.476
112.931
1253.565
181.76
6.0
24.517
31.232
920.359
5.428
131.479
1475.020
214.637
8.0
31.864
40.591
1153.735
5.331
164.819
1887.605
276.806
160
±2.40
±1.20
4.0
19.270
24.547
987.152
6.341
123.394
1540.134
194.440
5.0
23.829
30.356
1202.317
6.293
150.289
1893.787
239.767
6.0
28.285
38.032
1405.408
6.245
175.676
2234.573
283.757
8.0
36.888
46.991
1776.496
6.148
222.062
2876.940
367.686

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