sch壁厚等级对照表要点.docx
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sch壁厚等级对照表要点
公称通径
NominalPipe
Size
外径
Outside
Diameter
公称壁厚T
NorminalWallThickness
NPS
BN
D
SCH5s
SCH10s
SCH10
SCH20.
；HC30<
；CH40s
STD
SCH40
SCH60
SCH80s
XS
SCH80
SCH100
SCH120
SCH104
SCH160
XXS
1/8
6
10.3
---
1.24
---
---
---
1.73
1.73
1.73
---
2.41
2.41
2.41
---
---
---
---
---
1/4
8
13.7
---
1.65
---
---
---
2.24
2.24
2.24
---
3.02
3.02
3.02
---
---
---
---
---
3/8
10
17.1
---
1.65
---
---
---
2.31
2.31
2.31
---
3.20
3.20
3.20
---
---
---
---
---
1/2
15
21.3
1.65
2.11
---
---
---
2.77
2.77
2.77
---
3.73
3.73
3.73
---
---
---
4.78
7.47
3/4
20
26.7
1.65
2.11
---
---
---
2.87
2.87
2.87
---
3.91
3.91
3.91
---
---
---
5.56
7.82
1
25
33.4
1.65
2.77
---
---
---
3.38
3.38
3.38
---
4.55
4.55
4.55
---
---
---
6.35
9.09
11/4
32
42.2
1.65
2.77
---
---
---
3.56
3.56
3.56
---
4.85
4.85
4.85
---
---
---
6.35
9.70
11/2
40
48.3
1.65
2.77
---
---
---
3.68
3.68
3.68
---
5.08
5.08
5.08
---
---
---
7.14
10.15
2
50
60.3
1.65
2.77
---
---
---
3.91
3.91
3.91
---
5.54
5.54
5.54
---
---
---
8.74
11.07
21/2
65
73.0
2.11
3.05
---
---
---
5.16
5.16
5.16
---
7.01
7.01
7.01
---
---
---
9.53
14.02
3
80
88.9
2.11
3.05
---
---
---
5.49
5.49
5.49
---
7.62
7.62
7.62
---
---
---
11.13
15.24
31/2
90
101.6
2.11
3.05
---
---
---
5.74
5.74
5.74
---
8.08
8.08
8.08
---
---
---
---
---
4
100
114.3
2.11
3.05
---
---
---
6.02
6.02
6.02
---
8.56
8.56
8.56
---
11.13
---
13.49
17.12
5
125
141.3
2.77
3.40
---
---
---
6.55
6.55
6.55
---
9.53
9.53
9.53
---
12.70
---
15.88
19.05
6
150
168.3
2.77
3.40
---
---
---
7.11
7.11
7.11
---
10.97
10.97
10.97
---
14.27
---
18.26
21.95
8
200
219.1
2.77
3.76
---
6.35
7.04
8.18
8.18
8.18
10.31
12.70
12.70
12.70
15.09
18.26
20.62
23.01
22.23
10
250
273.1
3.40
4.19
---
6.35
7.80
9.27
9.27
9.27
12.70
12.70
12.70
15.09
18.26
21.44
25.40
28.58
25.40
12
300
323.9
3.96
4.57
---
6.35
8.38
9.53
9.53
10.31
14.27
12.70
12.70
17.48
21.44
25.40
28.58
33.32
25.40
14
350
355.6
3.96
4.78
6.35
7.92
9.53
---
9.53
11.13
15.09
---
12.70
19.05
23.83
27.79
31.75
35.71
---
16
400
406.4
4.19
4.78
6.35
7.92
9.53
---
9.53
12.70
16.66
---
12.70
21.44
26.19
30.96
36.53
40.49
---
18
450
457.2
4.19
4.78
6.35
7.92
11.13
---
9.53
14.27
19.05
---
12.70
23.83
29.36
34.93
39.67
45.24
---
20
500
508
4.78
5.54
6.35
9.53
12.70
---
9.53
15.09
20.62
---
12.70
26.19
32.54
38.10
44.45
50.01
---
22
---
559
4.78
5.54
6.35
9.53
12.70
---
9.53
---
22.23
---
12.70
28.58
34.93
41.28
47.63
53.98
---
24
600
610
5.54
6.35
6.35
9.53
14.27
---
9.53
17.48
24.61
---
12.70
30.96
38.89
46.02
52.37
59.54
---
26
---
660
---
---
7.92
12.70
---
---
9.53
---
---
---
12.70
---
---
---
---
---
---
28
700
711
---
---
7.92
12.70
15.88
---
9.53
---
---
---
12.70
---
---
---
---
---
---
30
---
762
6.35
7.92
7.92
12.70
15.88
---
9.53
---
---
---
12.70
---
---
---
---
---
---
32
800
813
---
---
7.92
12.70
15.88
---
9.53
17.48
---
---
12.70
---
---
---
---
---
---
34
---
864
---
---
7.92
12.70
15.88
---
9.53
17.48
---
---
12.70
---
---
---
---
---
---
36
900
914
---
---
7.92
12.70
15.88
---
9.53
19.05
---
---
12.70
---
---
---
---
---
---
38
---
965
---
---
---
---
---
---
9.53
---
---
---
12.70
---
---
---
---
---
---
40
1000
1016
---
---
---
---
---
---
9.53
---
---
---
12.70
---
---
---
---
---
---
42
---
1067
---
---
---
---
---
---
9.53
---
---
---
12.70
---
---
---
---
---
---
44
1100
1118
9.53
12.70
---
---
---
46
---
1168
9.53
12.70
---
---
---
48
1200
1219
9.53
12.70
---
---
---
C・SH5s、10s、40s、80s用于不锈钢管件。
SCH5s、10s、40s、80sappliesforstainlesssteel.
JISB2311、B2312、B2313
公称通径
NominalPipe
Size
外径
Outside
Diameter
公称壁厚T
NorminalWallThickness
DN
NPS
D
SGP
SCH5s
SH10s
SCH10
SCH20
3CH30S
>CH40s
STD
SCH40
SCH60
SCH120
SCH140
SCH160
XXS
15
1/2
21.7
2.8
1.7
2.1
---
---
---
2.8
2.8
3.7
3.7
3.7
---
---
---
4.8
7.5
20
3/4
27.2
2.8
1.7
2.1
---
---
---
2.9
2.9
SCH80s
SCH100
3.9
3.9
3.9
---
---
---
5.6
7.8
25
1
34.0
3.2
1.7
2.8
---
---
---
3.4
3.4
4.5
4.5
4.5
---
---
---
6.4
9.1
32
11/4
42.7
3.5
1.7
2.8
---
---
---
3.6
3.6
3.6
---
4.9
4.9
4.9
---
---
---
6.4
9.7
40
11/2
48.6
3.5
1.7
2.8
---
---
---
3.7
3.7
3.7
---
5.1
5.1
5.1
---
---
---
7.1
10.2
50
2
60.5
3.8
1.7
2.8
---
---
---
3.9
3.9
3.9
---
5.5
5.5
5.5
---
---
---
8.7
11.1
65
21/2
76.3
4.2
2.1
3.0
---
---
---
5.2
5.2
5.2
---
7.0
7.0
7.0
---
---
---
9.5
14.0
80
3
89.1
4.2
2.1
3.0
---
---
---
5.5
5.5
5.5
---
7.6
7.6
7.6
---
---
---
11.1
15.2
90
31/2
101.6
4.2
2.1
3.0
---
---
---
5.7
5.7
5.7
---
8.1
8.1
8.1
---
---
---
---
---
100
4
114.3
4.5
2.1
3.0
---
---
---
6.0
6.0
6.0
---
8.6
8.6
8.6
---
11.1
---
13.5
17.1
125
5
139.8
4.5
2.8
3.4
---
---
---
6.6
6.6
6.6
---
9.5
9.5
9.5
---
12.7
---
15.9
19.0
150
6
165.2
5.0
2.8
3.4
---
---
---
7.1
7.1
7.1
---
11.0
11.0
11.0
---
14.3
---
18.2
21.9
200
8
216.3
5.8
2.8
4.0
---
6.4
7.0
8.2
8.2
8.2
10.3
12.7
12.7
12.7
15.1
18.2
20.6
23.0
22.2
250
10
267.4
6.6
3.4
4.0
---
6.4
7.8
9.3
9.3
9.3
12.7
12.7
12.7
15.1
18.3
21.4
25.4
28.6
25.4
300
12
318.5
6.9
4.0
4.5
---
6.4
8.4
9.5
9.5
10.3
14.3
12.7
12.7
17.4
21.4
25.4
28.6
33.3
25.4
350
14
355.6
7.9
4.0
4.8
6.4
7.9
9.5
9.5
9.5
11.1
15.1
---
12.7
19.0
23.8
27.8
31.8
35.7
---
400
16
406.4
7.9
4.2
4.8
6.4
7.9
9.5
9.5
9.5
12.7
16.7
---
12.7
21.4
26.2
30.9
36.5
40.5
---
450
18
457.2
7.9
4.2
4.8
6.4
7.9
11.1
9.5
9.5
14.3
19.0
---
12.7
23.8
29.4
34.9
39.7
45.2
---
500
20
508.0
7.9
4.8
5.5
6.4
9.5
12.7
9.5
9.5
15.1
20.6
---
12.7
26.2
32.5
38.1
44.4
50.0
---
550
22
558.8
---
4.8
5.5
6.4
9.5
12.7
9.5
9.5
---
22.2
---
12.7
28.6
34.9
41.3
47.6
54.0
---
600
24
609.6
---
5.5
6.4
6.4
9.5
14.3
9.5
9.5
17.5
24.6
---
12.7
31.0
38.9
46.0
52.4
59.5
---
650
26
660.4
---
---
---
7.9
12.7
---
---
9.5
---
---
---12.7
---
---
「---
---
---
---
700
28
711.2
---
---
---
7.9
12.7
15.9
---
9.5
---
---
---12.7
---
---
---
---
---
---
750
30
762.0
---
6.4
7.9
7.9
12.7
15.9
9.5
9.5
---
---
---12.7
---
---
---
---
---
---
800
32
812.8
---
---
---
7.9
12.7
15.9
---
9.5
17.5
---
---12.7
---
850
34
863.6
---
---
---
7.9
12.7
15.9
---
9.5
17.5
---
---12.7
---
---
900
36
914.4
---
---
---
7.9
12.7
15.9
---
9.5
19.0
---
---12.7
---
---
虫r稻头45*弯头三谒四通
90'Ebw4»TElbdw1iMCmu
承插焊管件
（一）SocketWeldingFittings
GB/T14383、SH3410、HG/T21634、ASMEB16.11、JISB2316
公称通径
NominalPipeSize
承插孔深度
壁厚
中心至承插孔底
CentertoBottomofSocket
Depthof
wallihickness
A
Socket
Cmin
90。
弯头、三通、四通
90°ElbowTee、Cross
45。
弯头
45°Elbow
DN
NPS
Jmin
SCH80
3000
SCH160
6000
XXS
9000
SCH80
3000
SCH160
6000
XXS
9000
SCH80
3000
SCH160
6000
XXS
9000
6
1/8
10
3.2
3.5
---
11
11
---
8
8
---
8
1/4
10
3.3
4.0
---
11
14
---
8
8
---
10
3/8
10
4.0
4.4
---
14
16
---
8
11
---
15
1/2
10
4.5
6.0
9.5
16
19
25
11
13
16
20
3/4
13
5.0
7.0
10.0
19
22
28
13
14
19
25
1
13
5.6
8.0
11.5
22
27
32
14
18
21
32
11/4
13
6.3
8.0
12.0
27
32
35
18
21
22
40
11/2
13
6.4
9.0
13.0
32
38
38
21
25
25
50
2
16
7.0
11.0
14.0
38
41
54
25
29
28
65
21/2
16
8.9
12.5
---
41
57
---
29
32
---
80
3
16
10.0
13.8
---
57
64
---
32
35
---
100
4
19
10.0
---
---
67
---
---
41
---
---
本表列岀的为承插焊管件各相同部分尺寸，不同标准规定的接管尺寸及承插孔径d1、流通孔径d2尺寸见承插焊管件的接管外径、承插孔径及流
通孔尺寸表。
当产品为异径时，流通孔d2的尺寸用异径公称通径相对的d2尺寸、中心至承插孔底的尺寸A与同径管件相同。
TheabovelistshowssizesofthesamepartsofSWfittings.Thesizesofdifferentcodespipes,socketdiameterd1andborediameterd2refertothelistofthepipeoutsidediameter,socketdiameterandborediameterofSWfittings.
Astothereducingfittings,sizeoftheborediameterd2appliestotherelevantsized2ofthereducingnorminalpipesize,sizeofcentertothebottomofsocketAissametothestraightfittings,
承插焊和螺纹活接头UnionsofSocket-Welding&Threaded
HG/T21634、MSSSP-83
公称通径
NominalPipeSize
外径
EndDIA
壁厚
WallThickness
螺母厚度
Nut
螺帽每英寸
的螺纹扣数
ThreadsPer
inch
球面凸缘厚度
Male
Flange
定位口高
度
Bearin
公称装配长度
LengthAssem
Nominat
结构尺寸
Laying
Length
流通孔径
Bore
Dmin
Cmin
E
d2
DN
NPS
承插焊
Socket
螺纹
Thread
承插焊
Socket
螺纹
Thread
Gmin
H
Fmin
hmin
L
承插焊
Socket
螺纹
Thread
6
1/8
21.8
14.7
3.2
2.5
3.2
16
3.2
1.5
41
21
7.4
8
1/4
21.8
19.1
3.3
3.1
3.2
16
3.2
1.5
41
21
10.9
10
3/8
25.9
22.9
3.5
3.2
3.5
14
3.5
1.5
46
24
13.9
15
1/2
31.2
27.7
4.1
3.8
3.7
14
3.7
1.5
49
24
17.5
20
3/4
37.1
33.5
4.3
4.0
4.1
11
4.1
1.8
57
2
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