不锈钢管道壁厚对照表

壁厚及理论质量
SCH20s
mm
kg/m
2.0
0.75
2.5
1.22
2.5
1.53
3.0
2.33
3.0
2.93
3.0
3.38
3.5
4.95
3.5
6.35
4.0
8.51
4.0 11.01
5.0 16.90
5.0 20.40
6.5 34.57
6.5 43.36
6.5 51.82
SCH40s mm kg/m
550 559 9.5 128.73 13.0 175.04 17.0 227.22 22.0 291.33 28.0 366.64 35.0 452.26 42.0 535.47 48.0 604.86 54.0
600 610 9.5 140.68 14.0 205.76 18.0 262.78 25.0 360.65 32.0 456.11 38.0 536.01 45.0 626.98 52.0 715.53 60.0
7.08 10.79 15.58 21.16 34.52 48.93 66.58 115.41 169.17 244.00 284.08 361.02 457.20 564.71 672.48 813.79
10.0 11.0 14.0 15.0 17.0 19.0 22.0 23.0 25.0 26.0
SCH60 mm
5.0 6.0 6.5 7.0 8.0 9.5 10.0 13.0 14.0 15.0 17.0 19.0 20.0 22.0 25.0
①公
称壁
厚超
过
注：
SCH80 s的不
锈钢
管按
表3-2
选用
②粗
实线
以下
的数
据已
超过
我国
现行
的钢
管标
准的
规格
范围
公称 直径
DN
外径 mm
SCH20 mm kg/m
10 17
15 22
20 27
25 34
32 42
SCH30 mm kg/m
壁厚及理论质量
SCH40
mm
kg/m
Fra Baidu bibliotek2.5
0.89
3.0
1.41
3.0
1.78
3.5
2.63
3.5
3.33
SCH60 mm kg/m
表3-2 碳素钢、合金钢无缝钢管
SCH80 mm kg/m 3.5 1.17 4.0 1.78 4.0 2.27 4.5 3.27 5.0 4.56
80 89 2.0 4.36
100 114 2.0 5.61
125 140 2.8 9.62
150 168 2.8 11.58
200 219 2.8 15.15
250 273 3.5 23.61
300 325 4.0 32.13
350 356 4.0 35.24
400 406 4.5 45.22
450 457
2.10 2.92 4.41 5.69 7.08 10.79 15.58 21.16 34.52 48.93 66.58 115.41 169.17 244.00 284.08 361.02 457.20 564.71 672.48 813.79
XXS mm kg/m
7.5 8.0 9.0 10.0 10.0 11.0 14.0 15.0 17.0 19.0 22.0 23.0 25.0 26.0
8.5 66.34 10.0 77.68
9.5 81.17 11.0 93.58
9.5 92.89 13.0 125.99
11.0 120.98 14.0 152.94
13.0 158.69 15.0 182.36
13.0 175.04 17.0 227.22
14.0 205.76 18.0 262.78
SCH20 mm kg/m
3.5
4.88
4.5
7.93
4.5
9.38
5.0 13.44
5.0 16.65
5.5 20.04
6.5 34.06
6.5 42.72
6.5 51.05
8.0 68.65
8.0 78.52
8.0 88.58
9.5 116.78
9.5 128.73
9.5 140.68
壁厚及理论质量
壁厚及理论质量 SCH140
mm kg/m
7.0 8.0 9.0 11.0 13.0 14.0 18.0 22.0 25.0 28.0 32.0 35.0 38.0 42.0 45.0
9.15 13.42 17.76 27.94 40.71 53.17 89.22 136.17 184.95 226.48 295.13 364.23 440.43 535.47 626.98
1.78
4.0
2.27
4.5
3.27
5.0
4.56
5.0
5.30
5.5
7.39
7.0 11.91
7.5 15.07
8.5 22.11
9.5 30.57
11.0 42.59
13.0 66.04
15.0 95.43
17.0 129.12
19.0 157.90
22.0 208.33
24.0 256.27
26.0 309.04
2.5 0.91 3.0 1.43 3.0 1.80 3.5 2.67 3.5 3.37 4.0 4.41 4.0 5.61 5.5 8.89 5.5 11.50 6.0 16.22 6.5 21.72 7.0 28.21 8.0 42.25 9.5 62.66 9.5 75.02
SCH80s mm kg/m 3.2 1.11 4.0 1.80 4.0 2.30 4.5 3.32 5.0 4.63 5.0 5.38 5.5 7.50 7.0 12.09 7.5 15.30 8.5 22.45 9.5 31.03 11.0 43.23 13.0 67.03 15.0 96.87 17.0 131.06
表3-1 奥氏体不锈钢无缝钢管
公称 直径
DN
外径 mm
SCH5s mm kg/m
10 17 1.2 0.47
15 22 1.6 0.82
20 27 1.6 1.02
25 34 1.6 1.30
32 42 1.6 1.62
40 48 1.6 1.86
50 60 1.6 2.34
65 76 2.0 3.70
壁厚及理论质量
表3-2 碳素钢、合金钢无缝钢管
SCH60 kg/m
6.78 10.36 13.22 18.47 26.04 37.13 51.54 83.35 107.37 126.14 163.08 205.22 240.68 291.33 360.65
SCH80
mm kg/m
3.5
1.17
4.0
500 508
550 559
600 610
SCH10s mm kg/m
1.6 0.62 2.0 1.00 2.0 1.25 2.8 2.19 2.8 2.75 2.8 3.17 2.8 4.01 3.0 5.48 3.0 6.46 3.0 8.33 3.5 11.96 3.5 14.41 4.0 21.53 4.0 26.93 4.5 36.10 5.0 43.93 5.0 50.18
20.0 25.0 28.0 32.0 36.0 40.0 45.0 48.0 52.0
98.15 152.89 205.07 255.67 328.47 411.33 513.79 604.86 715.53
SCH160 mm kg/m
5.0 5.5 6.5 6.5 7.0 8.5 9.5 11.0 14.0 16.0 18.0 24.0 28.0 34.0 36.0 40.0 45.0 50.0 54.0 60.0
450 457 8.0 88.58 11.0 120.98 14.0 152.94 19.0 205.22 24.0 256.27 30.0 315.89 35.0 364.23 40.0 411.33 45.0
500 508 9.5 116.78 13.0 158.69 15.0 182.36 20.0 240.68 26.0 309.04 32.0 375.62 38.0 440.43 45.0 513.79 50.0
350 356 8.0 68.65 9.5 81.17 11.0 93.58 15.0 126.14 19.0 157.90 24.0 196.49 28.0 226.48 32.0 255.67 36.0
400 406 8.0 78.52 9.5 92.89 13.0 125.99 17.0 163.08 22.0 208.33 26.0 243.64 32.0 295.13 36.0 328.47 40.0
250 273 6.5 42.72 8.0 52.28 9.5 61.73 13.0 83.35 15.0 95.43 18.0 113.19 22.0 136.17 25.0 152.89 28.0
300 325 6.5 51.05 8.5 66.34 10.0 77.68 14.0 107.37 17.0 129.12 22.0 164.38 25.0 184.95 28.0 205.07 34.0
SCH30
SCH40
mm
kg/m
mm
kg/m
2.5
0.89
3.0
1.41
3.0
1.78
3.5
2.63
3.5
3.33
4.0
4.34
4.0
5.52
5.0
8.75
5.5 11.33
6.0 15.98
6.5 21.40
6.5 25.89 7.0 27.79
7.0 36.60 8.0 41.63
8.0 52.28 9.5 61.73
2.68 3.75 5.55 7.89 9.37 13.29 21.40 27.37 40.66 56.69 79.21 111.17 152.89 191.71
壁厚及理论质量
SCH160 kg/m
XXS mm kg/m
2.10 2.92 4.41 5.69
7.5 8.0 9.0 10.0
2.68 3.75 5.55 7.89
5.0
8.75 6.0 10.36 7.0 11.91
8.0 13.42
9.5
80 89 4.5 9.38
5.5 11.33 6.5 13.22 7.5 15.07
9.0 17.76
11.0
100 114 5.0 13.44
6.0 15.98 7.0 18.47 8.5 22.11
11.0 27.94
9.37 13.29 21.40 27.37 40.66 56.69 79.21 111.17 152.89 191.71
SCH100 mm kg/m
SCH120 mm kg/m
壁厚及理论质量 SCH140
mm kg/m
SCH160 mm
5.0 5.5 6.5 6.5
40 48
4.0
4.34
5.0 5.30
7.0
50 60 3.5 4.88
4.0
5.52 5.0 6.78 5.5 7.39
7.0
9.15
8.5
65 76 4.5 7.93
28.0 366.64
32.0 456.11
SCH100 mm kg/m
15.0 18.0 22.0 24.0 26.0 30.0 32.0 35.0 38.0
75.46 113.19 164.38 196.49 243.64 315.89 375.62 452.26 536.01
SCH120 mm kg/m
14.0
125 140 5.0 16.65
6.5 21.40 8.0 26.04 9.5 30.57
13.0 40.71
16.0
150 168 5.5 20.04 6.5 25.89 7.0 27.79 9.5 37.13 11.0 42.59
14.0 53.17
18.0
200 219 6.5 34.06 7.0 36.60 8.0 41.63 10.0 51.54 13.0 66.04 15.0 75.46 18.0 89.22 20.0 98.15 24.0