Fractional Tube Gauge Chart

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We stock Hard Temper 304 Stainless Steel fractional tubes. This medical grade fractional tubing is a more robust product and held to closer tolerances than commercial grade annealed tubing.

Type SS 304, Medical Grade, Hard Temper. Some sizes available in SS 316.
Typically manufactured closer to nominal OD & Average Wall than tolerances indicate.

NOMINAL (IN) TOLERANCES
SIZE OD ID WALL OD AVG. WALL
1/32 OD X .008 .032 .0165 .008 ±.001 ±10%
1/32 OD X .006 .032 .020 .006 ±.001 ±10%
1/32 OD X .0045 .032 .023 .0045 ±.001 ±10%
1/32 OD X .0035 .032 .025 .0035 ±.001 ±10%
1/32 OD X .0015 .032 .029 .0015 ±.001 ±10%
1/16 OD X .026 .0625 .010 .026 ±.001 ±.001
1/16 OD X .025 .0625 .012 .025 ±.001 ±.001
1/16 OD X .024 .0625 .014 .024 ±.001 ±.001
1/16 OD X .023 .0625 .016 .023 ±.001 ±.001
1/16 OD X .022 .0625 .018 .022 ±.001 ±.001
1/16 OD X .021 .0625 .020 .021 ±.001 ±.001
1/16 OD X .020 .0625 .022 .020 ±.001 ±.001
1/16 OD X .019 .0625 .024 .019 ±.001 ±.001
1/16 OD X .018 .0625 .026 .018 ±.001 ±.001
1/16 OD X .017 .0625 .028 .017 ±.001 ±.001
1/16 OD X .016 .0625 .030 .016 ±.001 ±.001
1/16 OD X .015 .0625 .032 .015 ±.001 ±.001
1/16 OD X .014 .0625 .034 .014 ±.001 ±.001
1/16 OD X .013 .0625 .036 .013 ±.001 ±.001
1/16 OD X .012 .0625 .038 .012 ±.001 ±.001
1/16 OD X .011 .0625 .040 .011 ±.001 ±.001
1/16 OD X .010 .0625 .042 .010 ±.001 ±.001
1/16 OD X .009 .0625 .044 .009 ±.001 ±.001
1/16 OD X .008 .0625 .046 .008 ±.001 ±.001
1/16 OD X .007 .0625 .048 .007 ±.001 ±.001
1/16 OD X .006 .0625 .050 .006 ±.001 ±.001
1/16 OD X .005 .0625 .052 .005 ±.001 ±.001
1/16 OD X .004 .0625 .054 .004 ±.001 ±.001
1/16 OD X .003 .0625 .056 .003 ±.001 ±.001
1/16 OD X .002 .0625 .058 .002 ±.001 ±.001
1/16 OD X .001 .0625 .060 .001 ±.001 ±.001
3/32 OD X .035 .0938 .0238 .035 ±.002 ±10%
3/32 OD X .028 .0938 .0378 .028 ±.002 ±10%
3/32 OD X .020 .0938 .0538 .020 ±.002 ±10%
3/32 OD X .015 .0938 .0638 .015 ±.002 ±10%
3/32 OD X .010 .0938 .0738 .010 ±.002 ±10%
3/32 OD X .005 .0938 .0838 .005 ±.002 ±10%
1/8 OD X .035 .125 .055 .035 +.004/-.002 ±10%
1/8 OD X .028 .125 .069 .028 +.004/-.002 ±10%
1/8 OD X .020 .125 .085 .020 +.004/-.002 ±10%
1/8 OD X .015 .125 .095 .015 +.004/-.002 ±10%
1/8 OD X .010 .125 .105 .010 +.004/-.002 ±10%
1/8 OD X .005 .125 .115 .005 +.004/-.002 ±10%
SIZE OD ID WALL OD AVG. WALL
5/32 OD X .035 .156 .086 .035 +.004/-.002 ±10%
5/32 OD X .028 .156 .100 .028 +.004/-.002 ±10%
5/32 OD X .020 .156 .116 .020 +.004/-.002 ±10%
5/32 OD X .015 .156 .126 .015 +.004/-.002 ±10%
5/32 OD X .010 .156 .136 .010 +.004/-.002 ±10%
5/32 OD X .005 .156 .146 .005 +.004/-.002 ±10%
3/16 OD X .035 .188 .118 .035 +.004/-.002 ±10%
3/16 OD X .028 .188 .132 .028 +.004/-.002 ±10%
3/16 OD X .020 .188 .148 .020 +.004/-.002 ±10%
3/16 OD X .015 .188 .158 .015 +.004/-.002 ±10%
3/16 OD X .010 .188 .168 .010 +.004/-.002 ±10%
3/16 OD X .005 .188 .178 .005 +.004/-.002 ±10%
7/32 OD X .035 .219 .148 .035 +.004/-.002 ±10%
7/32 OD X .028 .219 .162 .028 +.004/-.002 ±10%
7/32 OD X .020 .219 .178 .020 +.004/-.002 ±10%
7/32 OD X .015 .219 .188 .015 +.004/-.002 ±10%
7/32 OD X .010 .219 .198 .010 +.004/-.002 ±10%
7/32 OD X .005 .219 .208 .005 +.004/-.002 ±10%
1/4 OD X .035 .250 .180 .035 +.004/-.002 ±10%
1/4 OD X .028 .250 .194 .028 +.004/-.002 ±10%
1/4 OD X .020 .250 .210 .020 +.004/-.002 ±10%
1/4 OD X .015 .250 .220 .015 +.004/-.002 ±10%
1/4 OD X .010 .250 .230 .010 +.004/-.002 ±10%
1/4 OD X .005 .250 .240 .005 +.004/-.002 ±10%
9/32 OD X .035 .281 .211 .035 +.004/-.002 ±10%
9/32 OD X .028 .281 .225 .028 +.004/-.002 ±10%
9/32 OD X .020 .281 .241 .020 +.004/-.002 ±10%
9/32 OD X .015 .281 .251 .015 +.004/-.002 ±10%
9/32 OD X .010 .281 .261 .010 +.004/-.002 ±10%
9/32 OD X .005 .281 .271 .005 +.004/-.002 ±10%
5/16 OD X .035 .312 .242 .035 +.004/-.002 ±10%
5/16 OD X .028 .312 .256 .028 +.004/-.002 ±10%
5/16 OD X .020 .312 .272 .020 +.004/-.002 ±10%
5/16 OD X .015 .312 .282 .015 +.004/-.002 ±10%
5/16 OD X .010 .312 .292 .010 +.004/-.002 ±10%
3/8 OD X .035 .375 .305 .035 +.004/-.002 ±10%
3/8 OD X .028 .375 .319 .028 +.004/-.002 ±10%
3/8 OD X .020 .375 .335 .020 +.004/-.002 ±10%
3/8 OD X .015 .375 .345 .015 +.004/-.002 ±10%
3/8 OD X .010 .375 .355 .010 +.004/-.002 ±10%
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