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Metric Tubing Charts

XHW: Extra Heavy Wall | HW: Heavy Wall | RW: Regular Wall | TW: Thin Wall | XTW: Extra Thin Wall | UTW: Ultra Thin Wall More Sizes and Wall Thicknesses Available.

GAUGE SIZE NOM. OD OD RANGE NOM. WALL NOM. ID ID RANGE
6RW
5.15 5.13/5.18 .381 4.39 4.32/4.47
7RW
4.57 4.57/4.60 .381 3.81 3.73/3.89
8RW
4.19 4.17/4.22 .381 3.43 3.35/3.51
9RW
3.76 3.74/3.78 .381 3.00 2.92/3.07
10RW
3.40 3.38/3.43 .356 2.69 2.64/2.74
11RW
3.05 3.02/3.07 .330 2.39 2.34/2.44
11TW
3.02 3.02/3.07 .254 2.54 2.49/2.59
12RW
2.77 2.74/2.79 .305 2.16 2.11/2.21
12TW
2.77 2.74/2.79 .229 2.31 2.26/2.36
13RW
2.41 2.39/2.44 .305 1.80 1.75/1.85
13TW
2.41 2.39/2.44 .229 1.96 1.91/2.01
13XTW
2.41 2.39/2.44 .127 2.16 2.11/2.21
14RW
2.11 2.08/2.13 .254 1.60 1.55/1.65
14TW
2.11 2.08/2.13 .203 1.70 1.68/1.74
14XTW
2.11 2.08/2.13 .140 1.83 1.80/1.85
15RW
1.83 1.82/1.84 .229 1.37 1.33/1.41
15TW
1.83 1.82/1.84 .152 1.52 1.51/1.56
15XTW
1.83 1.82/1.84 .114 1.59 1.56/1.62
16RW
1.65 1.64/1.66 .229 1.19 1.16/1.23
16TW
1.65 1.64/1.66 .152 1.36 1.33/1.38
16XTW
1.65 1.64/1.66 .114 1.41 1.38/1.44
17RW
1.47 1.46/1.49 .203 1.07 1.03/1.10
17TW
1.47 1.46/1.49 .127 1.21 1.18/1.23
17XTW
1.47 1.46/1.49 .102 1.27 1.24/1.30
18RW
1.27 1.26/1.28 .216 0.84 0.80/0.88
18TW
1.27 1.26/1.28 .152 0.98 .095/1.00
18XTW
1.27 1.26/1.28 .101 1.07 1.04/1.09
19TW
1.07 1.05/1.08 .127 0.81 0.80/0.85
19XTW
1.07 1.05/1.08 .089 0.89 0.86/0.91
20RW
0.91 0.90/0.91 .152 0.61 0.58/0.62
20TW
0.91 0.90/0.91 .127 0.66 0.65/0.69
20XTW
0.91 0.90/0.91 .100 0.71 0.69/0.72
21RW
0.81 0.81/0.83 .152 0.51 0.50/0.53
21TW
.0.81 0.81/0.83 .0114 0.58 0.57/0.61
21XTW
0.81 0.81/0.83 0.89 0.64 0.62/0.66
22RW
0.71 0.71/0.72 .152 0.41 0.39/0.43
22TW
0.71 0.71/0.72 .102 0.51 0.48/0.52
22XTW
0.71 0.71/0.72 .075 0.56 0.52/0.56
23RW
0.64 0.64/0.65 .152 0.33 0.32/0.36
23TW
0.64 0.64/0.65 .102 0.43 0.42/0.46
23XTW
0.64 0.64/0.65 .075 0.48 0.47/0.51
24RW
0.56 0.56/0.57 .127 0.31 0.29/0.33
24TW
0.56 0.56/0.57 .102 0.37 0.34/0.39
24XTW
0.56 0.51/0.52 .075 0.36 0.34/0.43
25TW
0.51 0.51/0.52 .102 0.31 0.29/0.33
25XTW
0.51 0.51/0.52 .075 0.36 0.34/0.38
26RW
0.46 0.46/0.47 .102 0.25 0.24/0.28
26TW
0.46 0.46/0.47 .076 0.31 0.29/0.34
26XTW
0.46 0.46/0.47 .050 0.36 0.33/0.37
27RW
0.41 0.41/0.42 .102 0.20 0.19/0.23
27TW
0.41 0.41/0.42 .076 0.25 0.24/0.28
27XTW
0.41 0.41/0.42 .050 0.31 0.29/0.33

Metric Tubing and Gauge Chart

Metric tubing is stocked in seamless as well as welded and drawn. NEST carries metric tubing based on current customer needs and some sizes may not be available.

The metric chart is a conversion of the standard hypodermic chart, which is also commonly used in applications that use metric standards.

XHW: Extra Heavy Wall | HW: Heavy Wall | RW: Regular Wall | TW: Thin Wall | XTW: Extra Thin Wall | UTW: Ultra Thin Wall More Sizes and Wall Thicknesses Available.

GAUGE SIZENOM.
OD
OD
RANGE
NOM.
WALL
NOM.
ID
ID
RANGE
6RW5.155.13/5.18.3814.394.32/4.47
7RW4.574.57/4.60.3813.813.73/3.89
8RW4.194.17/4.22.3813.433.35/3.51
9RW3.763.74/3.78.3813.002.92/3.07
10RW3.403.38/3.43.3562.692.64/2.74
11RW3.053.02/3.07.3302.392.34/2.44
11TW3.023.02/3.07.2542.542.49/2.59
12RW2.772.74/2.79.3052.162.11/2.21
12TW2.772.74/2.79.2292.312.26/2.36
13RW2.412.39/2.44.3051.801.75/1.85
13TW2.412.39/2.44.2291.961.91/2.01
13XTW2.412.39/2.44.1272.162.11/2.21
14RW2.112.08/2.13.2541.601.55/1.65
14TW2.112.08/2.13.2031.701.68/1.74
14XTW2.112.08/2.13.1401.831.80/1.85
15RW1.831.82/1.84.2291.371.33/1.41
15TW1.831.82/1.84.1521.521.51/1.56
15XTW1.831.82/1.84.1141.591.56/1.62
16RW1.651.64/1.66.2291.191.16/1.23
16TW1.651.64/1.66.1521.361.33/1.38
16XTW1.651.64/1.66.1141.411.38/1.44
17RW1.471.46/1.49.2031.071.03/1.10
17TW1.471.46/1.49.1271.211.18/1.23
17XTW1.471.46/1.49.1021.271.24/1.30
18RW1.271.26/1.28.2160.840.80/0.88
18TW1.271.26/1.28.1520.98.095/1.00
18XTW1.271.26/1.28.1011.071.04/1.09
19TW1.071.05/1.08.1270.810.80/0.85
19XTW1.071.05/1.08.0890.890.86/0.91
20RW0.910.90/0.91.1520.610.58/0.62
20TW0.910.90/0.91.1270.660.65/0.69
20XTW0.910.90/0.91.1000.710.69/0.72
21RW0.810.81/0.83.1520.510.50/0.53
21TW.0.810.81/0.83.01140.580.57/0.61
21XTW0.810.81/0.830.890.640.62/0.66
22RW0.710.71/0.72.1520.410.39/0.43
22TW0.710.71/0.72.1020.510.48/0.52
22XTW0.710.71/0.72.0750.560.52/0.56
23RW0.640.64/0.65.1520.330.32/0.36
23TW0.640.64/0.65.1020.430.42/0.46
23XTW0.640.64/0.65.0750.480.47/0.51
24RW0.560.56/0.57.1270.310.29/0.33
24TW0.560.56/0.57.1020.370.34/0.39
24XTW0.560.51/0.52.0750.360.34/0.43
25TW0.510.51/0.52.1020.310.29/0.33
25XTW0.510.51/0.52.0750.360.34/0.38
26RW0.460.46/0.47.1020.250.24/0.28
26TW0.460.46/0.47.0760.310.29/0.34
26XTW0.460.46/0.47.0500.360.33/0.37
27RW0.410.41/0.42.1020.200.19/0.23
27TW0.410.41/0.42.0760.250.24/0.28
27XTW0.410.41/0.42.0500.310.29/0.33

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