管道壁厚等级对照表.docx
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管道壁厚等级对照表
公称通径NominalPipeSize
外径OutsideDiameter
公称壁厚TNorminalWallThickness
NPS
BN
D
SCH5s
SCH10s
SCH10
SCH20
SHC30
SCH40s
STD
SCH40
SCH60
SCH80s
XS
SCH80
SCH100
SCH120
SCH104
SCH160
XXS
1/81/43/8
6810
---------
---------
---------
---------
---------
---------
---------
---------
---------
---------
1/23/41
152025
---------
---------
---------
---------
---------
---------
---------
11/411/22
324050
---------
---------
---------
---------
---------
---------
---------
21/2331/2
658090
---------
---------
---------
---------
---------
---------
---------
---
---
456
100125150
---------
---------
---------
---------
---------
---------
81012
200250300
---------
141618
350400450
---------
---------
---------
202224
500---600
508559610
---------
---
---------
---------
262830
---700---
660711762
------
------
---
---------
---------
---------
---------
---------
---------
---------
---------
---------
---------
323436
800---900
813864914
---------
---------
---------
---------
---------
---------
---------
---------
---------
---------
---------
384042
---1000---
96510161067
---------
---------
---------
---------
---------
---------
---------
---------
---------
---------
---------
---------
---------
---------
---------
444648
1100---1200
111811681219
---------
---------
---------
C·SH5s、10s、40s、80s用于不锈钢管件。
·SCH5s、10s、40s、80sappliesforstainlesssteel.
JISB2311、B2312、B2313
公称通径NominalPipeSize
外径OutsideDiameter
公称壁厚TNorminalWallThickness
DN
NPS
D
SGP
SCH5s
SH10s
SCH10
SCH20
SCH30
SCH40s
STD
SCH40
SCH60
SCH120
SCH140
SCH160
XXS
152025
1/23/41
---------
---------
---------
SCH80s
SCH100
---------
---------
---------
324050
11/411/22
---------
---------
---------
---------
---------
---------
---------
658090
21/2331/2
---------
---------
---------
---------
---------
---------
---------
---
---
100125150
456
---------
---------
---------
---------
---------
---------
200250300
81012
---------
350400450
141618
---------
---------
500550600
202224
------
---
---------
---------
650700750
262830
---------
------
------
---
------
---------
---------
---------
---------
---------
---------
---------
---------
---------
800850900
323436
---------
---------
---------
---------
---------
---------
---------
------
承插焊管件
(一)SocketWeldingFittingsGB/T14383、SH3410、HG/T21634、ASME、JISB2316
公称通径NominalPipeSize
承插孔深度DepthofSocket
壁厚WallThickness
中心至承插孔底CentertoBottomofSocket
A
Cmin
90°弯头、三通、四通90°Elbow、Tee、Cross
45°弯头45°Elbow
DN
NPS
Jmin
SCH803000
SCH1606000
XXS9000
SCH803000
SCH1606000
XXS9000
SCH803000
SCH1606000
XXS9000
6810
1/81/43/8
101010
---------
111114
111416
---------
888
8811
---------
152025
1/23/41
101313
161922
192227
252832
111314
131418
161921
324050
11/411/22
131316
273238
323841
353854
182125
212529
222528
6580100
21/234
161619
---
---------
415767
5764---
---------
293241
3235---
---------
·本表列出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,socketdiameterd1andborediameterd2refertothelistofthepipeoutsidediameter,socketdiameterandborediameterofSWfittings.·Astothereducingfittings,sizeoftheborediameterd2appliestotherelevantsized2ofthereducingnorminalpipesize,sizeofcentertothebottomofsocketAissametothestraightfittings,
承插焊和螺纹活接头UnionsofSocket-Welding&ThreadedHG/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ThreadsPerinch
球面凸缘厚度MaleFlange
定位口高度Bearin
公称装配长度LengthAssemNominat
结构尺寸LayingLength
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
6810
1/81/43/8
161614
414146
212124
152025
1/23/41
141111
495762
242930
324050
11/411/22
101010
717786
373839
6580
21/23
88
102109
5659
·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d1、流通孔径d1、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NominalPipeSize
GB/T14383(A)
SH3410
GB/T14383(B)、HG/T21634(metric)
JISB2316
HG/T21634(NPS)、ASME
接管外径PinpeDIA
承插孔径SocketDIA
流通孔径BoreDIA
接管外径PinpeDIA
承插孔径SocketDIA
流通孔径BoreDIA
接管外径PinpeDIA
承插孔径SocketDIA
流通孔径BoreDIA
接管外径PinpeDIA
承插孔径SocketDIA
流通孔径BoreDIA
接管外径PinpeDIA
承插孔径SocketDIA
流通孔径BoreDIA
DN
NPS
D
d1
d2
D
d1
d2
D
D1
d2
D
d1
d2
D
d1
d2
SCH80
SCH160
SCH80
SCH160
XXS
SCH803000
SCH1606000
SCH80
SCH160
3000
6000
9000
6810
1/81/43/8
---------
---------
---------
---------
------17
------
------10
---------
---------
---------
---------
---------
---------
---------
---------
152025
1/23/41
222734
151925
121621
71116
182532
324050
11/411/22
424860
323849
293443
222838
384557
6580100
21/234
---
承插焊管件尺寸的极限偏差TolerancesforSocket-WeldingFittngs
公称通径NominalPipeSize
所有管件AllFittings
所有管件AllFittings
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-CouplingsBossReducerInserts
异径插入件ReducerInserts
异径插入件ReducerInserts
活接头(含螺纹)Unions(compriisethreadedunions)
承插孔径SocketDIA
流通孔径BoreDIA
中心至承插孔底CentertoBottomofSocket
结构长度LayingLength
结构长度LayingLength
主体外径ShankDIA
插入端长度ShankLength
公称装配长度LengthAssemNominal
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
±
±
±
±
±
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。
·Theremaybedifferencesbetweenthetolerancesofthedifferentcodes,andwhenusingpleaserefertotheoriginalcodes.
SCH160和双加厚管的公称壁厚ASMENominalWaillThcknessofSchedule160andDoubleExtraStrongPipeInASME
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DN6、8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,thevaluesintablemaybeusedasthenominalwallthincknessesofthepipeforratingpurposes.
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.
管壁代号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。
·ThistableisnktintendedtorestricttheuseofpipesandfittingsofthinnerorthickeractuallyusedmaybethinnerorthickerinnominalwallthanthatshowninTable.Whenthinnerpipeisused,itsstrengthmaygovernthethinckerpipeisused,formechanicalstrength),thestrengthofthefittinggovernstherating.
螺纹管件ThreadedFittingsGB/T1426、ASME
公称通径NominalPipeSize
90°弯头、三通、四通90°Elbows、Tees、Crosses
45°弯头45°Elbows
所有管件AllFittings
中心至端面CentertoEnd
中心至端面CentertoEnd
端部外径OutsideDiameterofBand
最小壁厚MinimumWallThickness
螺纹长度LengthofThreadMin
A
G
D
C
DN
NPS
SCH802000
SCH1603000
XXS6000
SCH802000
SCH1603000
XXS6000
SCH802000
SCH1603000
XXS6000
SCH802000
SCH1603000
XXS6000
B
L2
6810
1/81/43/8
212125
212528
252833
171719
171922
192225
222225
222533
253338
152025
1/23/41
283338
333844
384451
222528
252833
283335
333846
384656
465662
324050
11/411/22
445160
516064
606483
333543
354344
434452
566275
627584
7584102
6580100
21/234
7686106
8395114
95106114
526479
526479
647979
92109146
102121152
121146152