Metric Tubing Gauge Chart

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Type SS 316, TIG Welded & Plug Drawn, Medical Grade
*** Typically manufactured closer to nominal OD & ID ***

NOMINAL (MM) TOLERANCES
SIZE OD ID WALL OD ID
1.0 X 0.5 1.0 0.5 .250 ±0.1 ±0.1
2.0 X 1.0 2.0 1.0 .500 ±0.1 ±0.1
2.0 X 1.2 2.0 1.2 .400 ±0.1 ±0.1
2.0 X 1.5 2.0 1.5 .250 ±0.1 ±0.1
3.0 X 2.0 3.0 2.0 .500 ±0.1 ±0.1
3.0 X 2.2 3.0 2.2 .400 ±0.1 ±0.1
3.0 X 2.5 3.0 2.5 .250 ±0.1 ±0.1
4.0 X 3.0 4.0 3.0 .500 ±0.1 ±0.1
4.0 X 3.2 4.0 3.2 .400 ±0.1 ±0.1
4.0 X 3.5 4.0 3.5 .250 ±0.1 ±0.1
5.0 X 4.0 5.0 4.0 .500 ±0.1 ±0.1
5.0 X 4.2 5.0 4.2 .400 ±0.1 ±0.1
5.0 X 4.5 5.0 4.5 .250 ±0.1 ±0.1
6.0 X 5.0 6.0 5.0 .500 ±0.1 ±0.1
6.0 X 5.2 6.0 5.2 .400 ±0.1 ±0.1
6.0 X 5.5 6.0 5.5 .250 ±0.1 ±0.1
7.0 X 6.0 7.0 6.0 .500 ±0.1 ±0.1
7.0 X 6.2 7.0 6.2 .400 ±0.1 ±0.1
7.0 X 6.5 7.0 6.5 .250 ±0.1 ±0.1
8.0 X 7.0 8.0 7.0 .500 ±0.1 ±0.1
8.0 X 7.2 8.0 7.2 .400 ±0.1 ±0.1
8.0 X 7.5 8.0 7.5 .250 ±0.1 ±0.1
10.0 X 9.0 10.0 9.0 .500 ±0.1 ±0.1
12.0 X 11.0 12.0 11.0 .500 ±0.1 ±0.1
16.0 X 15.0 16.0 15.0 .500 ±0.1 ±0.1
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