What is BWG, AWG Gauge

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.

stainless steel tube to asmt a269-kaysuns_

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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