스테인레스 파이프의 규격 및 NPT나사의 규격

 

NominalOutside
  (inches)

Schedule 5

Schedule 10

Schedule 40

Extra Light Weight

light Weight

Standard Weight

Size

Diameter

Wall

I.D.

Wt./Ft.
(lbs)

 Wall
 I.D. Wt./Ft.
(lbs)		 Wall
 I.D. Wt./Ft.
(lbs)
1/8" 0.405 --- --- --- .049 .307 .1863 .068 .269 .2447
1/4" 0.540 --- --- --- .065 .410 .3297 .088 .364 .4248
3/8" 0.675 --- --- --- .065 .545 .4235 .091 .493 .5576
1/2" 0.840 .065 .710 .3580 .083 .674 .6710 .109 .622 .8510
3/4" 1.050 .065 .920 .6838 .083 .884 .8572 .113 .824 1.131
1" 1.315 .065 1.185 .8678 .109 1.097 1.404 .133 1.049 1.679
1 1/4" 1.660 .065 1.530 1.107 .109 1.442 1.806 .140 1.380 2.273
1 1/2" 1.900 .065 1.770 1.274 .109 1.682 2.085 .145 1.610 2.718
2" 2.375 .065 2.245 1.604 .109 2.157 2.638 .154 2.067 3.653
2 1/2" 2.875 .083 2.709 2.475 .120 2.635 3.531 .203 2.469 5.793
3" 3.500 .083 3.334 3.029 .120 3.260 4.332 .216 3.068 7.576
3 1/2" 4.000 .083 3.834 3.472 .120 3.760 4.973 .226 3.548 9.109
4" 4.500 .085 4.334 3.915 .120 4.260 5.613 .237 4.026 10.79
5" 5.568 .109 5.345 6.349 .134 5.295 7.770 .258 5.047 14.62
6" 6.625 .109 6.407 7.585 .134 6.357 9.289 .280 6.065 18.97

 

 

 AMERICAN STANDARD TAPER PIPE THREADS

 

나사
규격

나사
외경

Threads
Per

Pitch Of
Thread

Pitch Diameter
At Beginning Of External Thread

Handtight
Engagement

Effective
Thread
External

1/16" 0.3125 27 0.03704 0.27118 0.160 0.2611
1/8" 0.405 27 0.03704 0.36351 0.1615 0.2639
1/4" 0.540 18 0.05556 0.47789 0.2278 0.4018
3/8" 0.675 18 0.05556 0.61201 0.240 0.4078
1/2" 0.840 14 0.07143 0.75843 0.320 0.5337
3/4" 1.050 14 0.07143 0.96768 0.339 0.5457
1" 1.315 11 1/2" 0.08696 1.21363 0.400 0.6828
1 1/4" 1.660 11 1/2" 0.08696 1.55713 0.420 0.7668
1 1/2" 1.900 11 1/2" 0.08696 1.79609 0.420 0.7285
2" 2.375 11 1/2" 0.08696 2.26902 0.436 0.7565
2 1/2" 2.875 8 0.12500 2.71953 0.682 1.1375

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