Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

Selecting the Right 3D Printer

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.

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Gage for Common Sheet Metals

Metal Gages are often used in the sheet metal industry. The following table illustrates the sizes of the most used sizes. Note that the Mild Steel Gage is covered in greater detail elsewhere in this site. The values presented here may be used for reference and comparison to other materials.

Gage
Number
Brass
mm (in)
Mild Steel
mm (in)
Stainless Steel
mm (in)
8 3.3
(0.129)
4.2
(0.164)
4.4
(0.172)
9 2.9
(0.114)
3.8
(0.150)
4.0
(0.156)
10 2.6
(0.102)
3.4
(0.135)
3.6
(0.141)
11 2.3
(0.091)
3.0
(0.120)
3.2
(0.125)
12 2.1
(0.081)
2.7
(0.105)
2.8
(0.109)
13 1.8
(0.072)
2.3
(0.090)
2.4
(0.094)
14 1.6
(0.064)
1.9
(0.075)
2.0
(0.078)
15 1.4
(0.057)
1.7
(0.067)
1.8
(0.070)
16 1.3
(0.051)
1.5
(0.060)
1.6
(0.063)
17 1.1
(0.045)
1.4
(0.054)
1.4
(0.056)
18 1.0
(0.040)
1.2
(0.048)
1.3
(0.050)
19 0.9
(0.036)
1.1
(0.042)
1.1
(0.044)
20 0.8
(0.032)
0.9
(0.036)
1.0
(0.038)
21 0.7
(0.029)
0.8
(0.033)
0.9
(0.034)
22 0.6
(0.025)
0.8
(0.030)
0.8
(0.031)
23 0.6
(0.023)
0.7
(0.027)
0.7
(0.028)
24 0.5
(0.020)
0.6
(0.024)
0.6
(0.025)
25 0.5
(0.018)
0.5
(0.021)
0.6
(0.022)
26 0.4
(0.016)
0.5
(0.018)
0.5
(0.019)
27 0.4
(0.014)
0.4
(0.016)
0.4
(0.017)
28 0.3
(0.013)
0.4
(0.015)
0.4
(0.016)
Glossary
Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

Selecting the Right 3D Printer

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.