Commercial Pipe Schedules

Commercial  Pipe Schedules

How to use this chart: Nominal Pipe Size is listed on the vertical axis in inches. Schedule is listed on the horizontal axis. Find the intersection of the appropriate pipe size and schedule to locate the wall thickness in inches.  

  SCH 5 SCH 10 TRUE 10 SCH 20 SCH 30 SCH 40 TRUE 40 SCH 60 SCH 80 TRUE 80 SCH 100 SCH 120 SCH 140 SCH 160 SCH XXH
1/8 .035 .049 .049     .068 .068   .095 .095          
1/4 .049 .065 .065     .088 .088   .119 .119          
3/8 .049 .065 .065     .091 .091   .126 .126          
1/2 .065 .083 .083     .109 .109   .147 .147       .187 .294
3/4 .065 .083 .083     .113 .113   .154 .154       .218 .308
1 .065 .109 .109     .133 .133   .179 .179       .250 .358
1-1/4 .065 .109 .109     .140 .140   .191 .191       .250 .400
1-1/2 .065 .109 .109     .145 .145   .200 .200       .281 .400
2 .065 .109 .109     .154 .154   .218 .218       .343 .436
2-1/2 .083 .120 .120     .203 .203   .279 .279       .375 .552
3 .083 .120 .120     .216 .216   .300 .300       .438 .600
3-1/2 .083 .120 .120     .226 .226   .318 .318         .636
4 .083 .120 .120 .158   .237 .237 .281 .337 .337   .438   .531 .674
5 .109 .134 .134     .258 .258   .375 .375   .500   .625 .750
6 .109 .134 .134 .197   .280 .280   .432 .432   .562   .718 .864
8 .109 .148 .148 .250 .277 .322 .322 .406 .500 .500 .593 .718 .812 .906 .875
10 .134 .165 .165 .250 .307 .365 .365 .500 .500 .593 .718 .843 1.000 1.125 1.000
12 .156 .180 .180 .250 .330 .375 .406 .562 .500 .687 .843 1.000 1.125 1.312  
14 .156 .188 .250 .312 .375 .375 .438 .593 .500 .750 .937 1.093 1.250 1.406  
16 .165 .188 .250 .312 .375 .375 .500 .656 .500 .843 1.031 1.218 1.438 1.593  
18 .165 .188 .250 .312 .438 .375 .562 .750 .500 .937 1.156 1.375 1.562 1.781  
20 .188 .218 .250 .375 .500 .375 .593 .812 .500 1.031 1.281 1.500 1.750 1.968  
24 .218 .250 .250 .375 .562 .375 .687 .968 .500 1.218 1.531 1.812 2.062 2.343  
30 .250 .312   .500 .625 .375     .500            

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