What is BWG, AWG Gauge etc ?
Table of Contents
Wire gauge, the specification of the cross-sectional size of the wire. There are many types of wire gauge, such as Birmingham wire gauge (BWG), Standard wire gauge (SWG), American wire gauge (AWG) etc.
What is BWG Gauge ?
BWG is the abbreviation of Birmingham wire gauge. It is a common wire gauge which is adopted by many countries.
What is AWG Gauge ?
AWG is the abbreviation of American wire gauge. It is a standard for distinguishing wire diameters, also known as Brown & Sharpe wire gauge.
Why We Should Know AWG, BWG
AWG, BWG are used to determine the wall thickness of heat exchanger tube. So if your job is related to tubes, you need to know what is the tube gauge.
The Representation of Wire Gauge in Description of Stainless Steel Tubing
For example, the description is SS Tubing, ASTM A213 TP316/316L 1″ BWG 14.
After checking the belowing table, we will know the tube dimension is o.d 25.4mm x 2.11mm .
If you have any questions or doubt, please don’t hesitate to contact us.
Comparison Table of Commonly Used Tube Gauge Numbers and Diameters (inches, mm)
Gauge No. |
SWG |
BWG |
BG |
AWG |
||||
Inch |
mm |
Inch |
mm |
Inch |
mm |
Inch |
mm |
|
4/0 |
0.4 |
10.16 |
0.454 |
11.532 |
0.5416 |
13.757 |
0.46 |
11.684 |
3/0 |
0.372 |
9.449 |
0.425 |
10.795 |
0.5 |
12.7 |
0.4096 |
10.404 |
2/0 |
0.348 |
8.839 |
0.38 |
9.652 |
0.4452 |
11.308 |
0.3648 |
9.266 |
0 |
0.324 |
8.23 |
0.34 |
8.636 |
0.3964 |
10.069 |
0.3249 |
8.252 |
1 |
0.3 |
7.62 |
0.3 |
7.62 |
0.3532 |
8.971 |
0.2893 |
7.348 |
2 |
0.276 |
7.01 |
0.284 |
7.214 |
0.3147 |
7.993 |
0.2576 |
6.544 |
3 |
0.252 |
6.401 |
0.259 |
6.579 |
0.2804 |
7.122 |
0.2294 |
5.827 |
4 |
0.232 |
5.893 |
0.238 |
6.045 |
0.2509 |
6.35 |
0.2043 |
5.189 |
5 |
0.212 |
5.385 |
0.22 |
5.588 |
0.2225 |
5.652 |
0.1819 |
4.621 |
6 |
0.192 |
4.877 |
0.203 |
5.156 |
0.1981 |
5.032 |
0.162 |
4.115 |
7 |
0.176 |
4.47 |
0.18 |
4.572 |
0.1764 |
4.481 |
0.1443 |
3.665 |
8 |
0.16 |
4.064 |
0.165 |
4.191 |
0.157 |
3.988 |
0.1285 |
3.264 |
9 |
0.144 |
3.658 |
0.148 |
3.759 |
0.1398 |
3.551 |
0.1144 |
2.906 |
10 |
0.128 |
3.251 |
0.134 |
3.404 |
0.125 |
3.175 |
0.1019 |
2.583 |
11 |
0.116 |
2.946 |
0.12 |
3.048 |
0.1113 |
2.827 |
0.0907 |
2.305 |
12 |
0.104 |
2.642 |
0.109 |
2.769 |
0.0991 |
2.517 |
0.0808 |
2.053 |
13 |
0.092 |
2.337 |
0.095 |
2.413 |
0.0882 |
2.24 |
0.072 |
1.828 |
14 |
0.08 |
2.032 |
0.083 |
2.108 |
0.0785 |
1.994 |
0.0641 |
1.628 |
15 |
0.072 |
1.829 |
0.072 |
1.829 |
0.0699 |
1.775 |
0.0571 |
1.45 |
16 |
0.064 |
1.626 |
0.065 |
1.651 |
0.0625 |
1.588 |
508 |
1.291 |
17 |
0.056 |
1.422 |
0.058 |
1.473 |
0.0556 |
1.412 |
0.0453 |
1.15 |
18 |
0.048 |
1.219 |
0.049 |
1.245 |
0.0495 |
1.257 |
0.0403 |
1.024 |
19 |
0.04 |
1.016 |
0.042 |
1.067 |
0.044 |
1.118 |
0.0359 |
0.912 |
20 |
0.036 |
0.914 |
0.035 |
0.889 |
0.0392 |
0.996 |
0.032 |
0.812 |
21 |
0.032 |
0.813 |
0.032 |
0.813 |
0.0349 |
0.887 |
0.0285 |
0.723 |
22 |
0.028 |
0.711 |
0.028 |
0.711 |
0.03125 |
0.794 |
0.02535 |
0.644 |
23 |
0.024 |
0.61 |
0.025 |
0.635 |
0.02782 |
0.707 |
0.02257 |
0.573 |
24 |
0.022 |
0.559 |
0.022 |
0.559 |
0.02476 |
0.629 |
0.0201 |
0.511 |
25 |
0.02 |
0.508 |
0.02 |
0.508 |
0.02204 |
0.56 |
0.0179 |
0.455 |
26 |
0.018 |
0.457 |
0.018 |
0.457 |
0.01961 |
0.498 |
0.01594 |
0.405 |
27 |
0.0164 |
0.417 |
0.016 |
0.406 |
0.01745 |
0.443 |
0.0142 |
0.361 |
28 |
0.0148 |
0.376 |
0.014 |
0.356 |
0.01563 |
0.397 |
0.01264 |
0.321 |
29 |
0.0136 |
0.345 |
0.013 |
0.33 |
0.0139 |
0.353 |
0.01126 |
0.286 |
30 |
0.0124 |
0.315 |
0.012 |
0.305 |
0.0123 |
0.312 |
0.01003 |
0.255 |
31 |
0.0116 |
0.295 |
0.01 |
0.254 |
0.011 |
0.279 |
0.00893 |
0.227 |
32 |
0.0108 |
0.274 |
0.009 |
0.229 |
0.0098 |
0.249 |
0.00795 |
0.202 |
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