sch壁厚等级对照表.docx
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sch壁厚等级对照表.docx
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sch壁厚等级对照表
公称通径
NominalPipe
Size
外径
Outside
Diameter
公称壁厚T
NorminalWallThickness
NPS
BN
D
SCH5s
SCH10s
SCH10
SCH2C
SHC30
SCH40s
STD
SCH40
SCH6
)SCH80s
XS
SCH80
SCH100
SCH12(
SCH104
SCH16
)XXS
1/8
6
---
---
---
---
---
---
---
---
---
---
1/4
8
---
---
---
---
---
---
---
---
---
---
3/8
10
---
---
---
---
---
---
---
---
---
---
1/2
15
---
---
---
---
---
---
---
3/4
20
---
---
---
---
---
---
---
1
25
---
---
---
---
---
---
---
11/4
32
---
---
---
---
---
---
---
11/2
40
---
---
---
---
---
---
---
2
50
---
---
---
---
---
---
---
21/2
65
---
---
---
---
---
---
---
3
80
---
---
---
---
---
---
---
31/2
90
---
---
---
---
---
---
---
---
---
4
100
---
---
---
---
---
---
5
125
---
---
---
---
---
---
6
150
---
---
---
---
---
---
8
200
---
10
250
---
12
300
---
14
350
---
---
---
16
400
---
---
---
18
450
---
---
---
20
500
508
---
---
---
22
---
559
---
---
---
---
24
600
610
---
---
---
26
---
660
---
---
---
---
---
---
---
---
---
---
---
---
28
700
711
---
---
---
---
---
---
---
---
---
---
---
30
762
32
800
813
---
---
---
---
---
---
---
---
---
---
---
34
---
864
---
---
---
---
---
---
---
---
---
---
---
36
900
914
---
---
---
---
---
---
---
---
---
---
---
38
---
965
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
40
1000
1016
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
42
---
1067
---
---
---
---
---
---
---
---
---
---
---
---
1118
44
1100
---
---
---
46
---
1168
---
---
---
48
1200
1219
---
---
---
C・SH5s10s、40s、80s用于不锈钢管件。
•SCH5s10s、40s、80sappliesforstainlesssteel.
JISB2311、B2312、B2313
公称通径
外径
Outside
NominalPipe
Size
Diameter
NPS
DN
15
20
25
1/2
3/4
32
11/4
40
50
65
21/2
11/2
80
90
31/2
公称壁厚T
NorminalWallThickness
SCH5s
SH10s
SCH10
SCH20
SCH30
SCH40s
STD
SCH40
SCH6C
SCH120
SCH80
SCH10
SCH140SCH160XXS
100
125
150
200
250
300
4
5
6
8
10
12
14
16
18
20
22
24
26
28
30
350
400
450
500
550
600
650
700
750
I
承插焊管件
(一)SocketWeldingFittings
GB/T14383、SH3410、HG/T21634、ASME、JISB2316
90*輝头
45*4A伸Eltwv
承插孔深度
壁厚
中心至承插孔底
CentertoBottomofSocket
WallThickness
A
NominalPipeSize
Depthof
Socket
90°弯头、三通、四通
45°弯头
Cmin
90°Elbow、Tee、
Cross
45°Elbow
SCH80
SCH160
XXS
SCH80
SCH160
XXS
SCH80
SCH160
XXS
DN
NPS
Jmin
3000
6000
9000
3000
6000
9000
3000
6000
9000
6
1/8
10
---
11
11
---
8
8
---
8
1/4
10
---
11
14
---
8
8
---
10
3/8
10
---
14
16
---
8
11
---
15
1/2
10
16
19
25
11
13
16
20
3/4
13
19
22
28
13
14
19
25
1
13
22
27
32
14
18
21
32
11/4
13
27
32
35
18
21
22
40
11/2
13
32
38
38
21
25
25
50
2
16
38
41
54
25
29
28
活接头sodcelUnion
赠奴活摟头
ThreatfodUnion
L
65
80
100
21/2
3
4
16
16
19
---
41
57
67
57
64
---
29
32
41
32
35
---
•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。
•TheabovelistshowssizesofthesamepartsofSWsizesofdifferentcodespipes,socketdiameterd1andborediameterd2refer
tothelistofthepipeoutsidediameter,socketdiameterandborediameterofSWfittings.
•Astothereducingfittings,sizeoftheborediameterd2appliestotherelevantsized2ofthereducingnorminalpipesize,size
ofcentertothebottomofsocketAissametothestraightfittings,
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
螺帽每英寸
螺母厚
的螺纹扣数
度
ThreadsPer
Nut
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
Gmin
H
Fmin
hmin
L
E
d2
DN
NPS
承插焊
Socket
螺纹
Thread
承插焊
Socket
螺纹
Thread
承插焊
Socket
螺纹
Thread
6
1/8
16
41
21
8
1/4
16
41
21
10
3/8
14
46
24
*
15
1/2
14
49
24
20
3/4
11
57
29
25
1
11
62
30
32
11/4
10
71
37
40
11/2
10
77
38
50
2
10
86
39
65
21/2
8
102
56
80
3
8
109
59
•活接头适用于3000及3000以下级别;管件级别代号与管子壁厚等级的关系见后。
•接管尺寸承插孔径di、流通孔径di、流通孔径d2和承插孔深度J与ASME规定相同。
-Unionsonlyapplietotheclass3000andbelowit;therelationsofpressuregradeandschedulerefertohereafter.
-Dimensionsofpipe,socketdiameterd1,borediameterd2andthelengthofthedepthofsocketJaresametorequirementsofASME.
承插焊管件的接管外径、承插孔径及流通孔径尺寸表
ListofThePipeOutsideDiameter,SocketDiameterandBoreDiameterfoSWFittings
公称通径
NominalPipe
Size
GB/T14383(A)
SH3410
GB/T14383(B)、HG/T21634(metric)
JISB2316
HG/T21634(NPS)、ASME
接管
外径
Pinpe
DIA
承插孔
径
Socket
DIA
流通孔径
接管
外径
Pinpe
DIA
承插孔
径
Socket
DIA
流通孔径
BoreDIA
接管外径
PipeDIA
承插孔
径
Socket
DIA
流通孔径
BoreDIA
接管
外径
Pinpe
DIA
承插孔
径
Socket
DIA
流通孔径
BoreDIA
接管
外径
Pinpe
DIA
承插孔径
Socket
DIA
流通孔径
BoreDIA
Bore
DIA
d2
d2
d2
d2
d2
DN
NPS
D
d1
SCH80
SCH160
D
d1
SCH80
SCH160
XXS
D
D1
SCH80
3000
SCH160
6000
D
d1
SCH80
SCH16C
D
d1
3000
6000
9000
6
1/8
---
---
---
---
---
---
---
--
---
---
---
---
---
1
r
---
8
1/4
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
10
3/8
---
---
---
---
17
10
---
---
---
---
---
---
---
---
15
1/2
22
15
12
7
18
20
3/4
27
19
16
11
25
25
1
34
25
21
16
32
32
11/4
42
32
29
22
38
40
11/2
48
38
34
28
45
50
2
60
49
43
38
57
65
21/2
80
3
100
4
---
承插焊管件尺寸的极限偏差TolerancesforSocket-WeldingFittngs
-Theremaybedifferencesbetweenthetolerancesofthedifferentcodes,andwhenusingpleaserefertotheoriginalcodes.
公称通径
NominalPipeSize
所有管件
All
Fittings
所有管件
All
Fittings
45°、90°弯头、三
通、四通、45°斜三
通
45°、90°Elbows、
Tees、Crosses、
Laterals
双承口管箍
Couplings
单承口箍、半管接头、异径插入
件
Half-Couplings
Boss
Reducer
Inserts
异径插入件
Reducer
Inserts
异径插入件
Reducer
Inserts
活接头(含螺纹)
Unions(compriise
threadedunions)
承插孔径
SocketDIA
流通孔径
BoreDIA
中心至承插孔底
CentertoBottomof
Socket
结构长度
Laying
Length
结构长度
LayingLength
主体外径
ShankDIA
插入端长度
Shank
Length
公称装配长度
LengthAssem
Nominal
DN
NPS
d1
d2
A、H
E
F
SD
SL
L
6-8
1/8-1/4
+
0
±
±
±
±
---
---
±
10-20
3/8-3/4
±
±
±
±
0
±
25-50
1-2
±
±
±
±
0
±
65-100
21/2-4
+
0
±
一
r±
±
±
0
-不同标准规定的极限偏差可能会略有差异,使用时请查阅原标准。
SCH160和双加厚管的公称壁厚ASME
NominalWaillThcknessofSchedule160andDoubleExtraStrongPipeInASME
公称通径
NominalPipeSize
公称壁厚
NorminalWallThickness
DN
NPS
SCH160
XXS
6
1/8
8
1/4
10
3/8
•由于ASMEB36.10M未包括DN68和10的SCH160和XXS的壁厚,表列数值可作为确定额定值时管子的公称壁厚。
-SinceASMEB36.10MdoesnotincludeSchedule160norincludedoubleExtraStrongthicknessforDN6,8,and10,thevaluesintable
maybeusedasthenominalwallthincknessesofthepipeforratingpurposes.
管件级代号与管子壁厚代号的关系
RelevanceofFittingsClasswithScheduleNunberorWallDesignationofpipeforCalculationofRatings
管件级别代号
classdesignationfoFitting
管件连生产建设形式
TypeofFitting
用作额定计算依据的管子
PipeUsedforRatinBasis
管子表号
ScheduleNO.
壁代号
WallDesignation
2000
螺纹Threaded
80
XS
3000
螺纹Threaded
160
---
6000
螺纹Threaded
---
xxs
3000
承插焊Socket-Welding
80
XS
6000
承插焊Socket-Welding
160
---
9000
承插焊Socket-Welding
---
XXS
•本表并未限制使用较薄或较厚壁厚的管子和管件。
实际采用的管子公称壁厚可小于或大于本表所示的管子公称壁厚。
采用较薄管子时。
其强度
可支配额定值;采用较厚管子时(例如对机械强度而言),管件的强度支配额定值。
-Thistableisnktintendedtorestricttheuseofpipesandfittingsofthinnerorthickeractuallyusedmaybethinnerorthicker
innominalwallthanthatshowninTable.Whenthinnerpipeisused,itsstrengthmaygovernthethi
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