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Sheet Metal Gauge Thickness Chart


Sheet metal is a versatile material widely used in various industries, including automotive, aerospace, construction, and electronics. When designing sheet metal parts, understanding the concept of gauge thickness is essential for creating accurate 3D models and ensuring the manufacturability of the final product. In this comprehensive guide, we will delve into the world of sheet metal gauge thickness and its relevance in 3D modeling.

We will explore the significance of sheet metal gauges, the different gauge systems used worldwide, how to incorporate gauge thickness into your 3D model, and best practices for designing sheet metal parts.

The sheet metal gauge number increases as the thickness decreases, meaning that higher gauge numbers represent thinner sheet metal.

However, sheet metal gauges above 38 are not commonly used in standard gauge systems, and the values might vary based on the specific material and regional standards. Gauge numbers above 38 are usually limited to specific applications or custom requirements.

Understanding Screw Related Articles:

Below is a table providing the approximate thicknesses of sheet metal for gauge 3 to 38 in different measurement units:

Sheet Metal Gauge to mm


Here’s a comprehensive table providing the approximate thicknesses of sheet metal for gauge 3 to 38 in millimeters (mm) for standard steel, galvanized steel, stainless steel, and aluminum, brass, copper:

GaugeStandard Steel (mm)Galvanized Steel (mm)Stainless Steel (mm)Aluminum, Brass, Copper (mm)
36.0736.4767.6206.404
45.6956.0736.4015.940
55.3135.6955.9875.385
64.9285.3115.5954.877
74.5504.9285.2094.470
84.1684.5474.8774.064
93.7974.1664.5723.658
103.4163.7854.2143.251
113.0383.4043.8892.946
122.6573.0253.5562.641
132.2782.6453.1752.337
141.8972.2672.8452.032
151.7091.9852.5401.829
161.5191.6012.2861.626
171.3671.4172.0321.367
181.2141.2191.8291.214
191.0611.0161.6511.041
200.9070.9111.4480.914
210.8100.8101.2700.813
220.7230.7111.0670.711
230.6450.6350.9140.635
240.5660.5590.8130.559
250.5080.5080.7110.508
260.4560.4750.6600.457
270.4050.4170.5590.417
280.3610.3760.5080.376
290.3310.3450.4570.345
300.3150.3150.4060.315
310.2950.2950.3560.295
320.2740.2740.3300.274
330.2540.2540.2790.254
340.2340.2340.2290.234
350.2130.2130.2030.213
360.1930.1930.1780.193
370.1730.1730.1520.173
380.1520.1520.1270.152
The values provided in this table are approximate and may vary slightly based on specific material and manufacturing standards. Always verify the precise thickness specified by the material supplier or manufacturer before working with sheet metal of any gauge to ensure accuracy in your design and fabrication processes.

Sheet Metal Gauge to inch


Here’s a comprehensive table providing the approximate thicknesses of sheet metal for gauge 3 to 38 in inches for standard steel, galvanized steel, stainless steel, and aluminum, brass, copper:

GaugeStandard Steel (inch)Galvanized Steel (inch)Stainless Steel (inch)Aluminum, Brass, Copper (inch)
30.23910.25760.3000.252
40.22420.23820.2520.234
50.20920.21940.2370.213
60.19430.20090.2220.192
70.17930.18190.2090.177
80.16440.16340.1940.164
90.14950.14430.1800.145
100.13450.12850.1650.128
110.11960.11440.1500.116
120.10460.10460.1350.104
130.08970.08970.1200.093
140.07470.07470.1050.080
150.06730.06730.0900.072
160.05980.05980.0800.064
170.05380.05380.0720.057
180.04780.04780.0650.049
190.04180.04180.0580.042
200.03590.03590.0510.036
210.03200.03290.0450.032
220.02850.02860.0400.028
230.02540.02540.0360.025
240.02260.02260.0320.023
250.02010.02010.0280.020
260.01790.01790.0250.018
270.01590.01640.0230.016
280.01420.01470.0200.015
290.01260.01350.0180.013
300.01180.01270.0160.012
310.01100.01180.0140.011
320.01020.01020.0130.010
330.00940.00940.0110.009
340.00860.00860.0100.008
350.00770.00770.0090.007
360.00690.00690.0080.006
370.00620.00620.0070.006
380.00540.00540.0060.005
The values provided in this table are approximate and may vary slightly based on specific material and manufacturing standards. Always verify the precise thickness specified by the material supplier or manufacturer before working with sheet metal of any gauge to ensure accuracy in your design and fabrication processes.

Standard Sheet Metal Gauges For Specific Engineering Materials


Sheet metal gauges can vary depending on the specific engineering material used. Different materials have different properties and thickness ranges that are suitable for various applications. Below are standard sheet metal gauges for some common engineering materials:

Steel (Carbon Steel):

  • Standard Gauge Range: 22 to 12 gauge
  • Thickness Range (inches): 0.0299 to 0.1051 inches
  • Thickness Range (millimeters): 0.759 to 2.670 millimeters

Galvanized Steel:

  • Standard Gauge Range: 22 to 10 gauge
  • Thickness Range (inches): 0.0299 to 0.1382 inches
  • Thickness Range (millimeters): 0.759 to 3.512 millimeters

Stainless Steel:

  • Standard Gauge Range: 22 to 10 gauge
  • Thickness Range (inches): 0.0299 to 0.1382 inches
  • Thickness Range (millimeters): 0.759 to 3.512 millimeters

Aluminum:

  • Standard Gauge Range: 30 to 10 gauge
  • Thickness Range (inches): 0.0120 to 0.1382 inches
  • Thickness Range (millimeters): 0.305 to 3.512 millimeters

Brass:

  • Standard Gauge Range: 30 to 10 gauge
  • Thickness Range (inches): 0.0100 to 0.1382 inches
  • Thickness Range (millimeters): 0.254 to 3.512 millimeters

Copper:

  • Standard Gauge Range: 30 to 10 gauge
  • Thickness Range (inches): 0.0100 to 0.1382 inches
  • Thickness Range (millimeters): 0.254 to 3.512 millimeters

Titanium:

  • Standard Gauge Range: 22 to 10 gauge
  • Thickness Range (inches): 0.0299 to 0.1382 inches
  • Thickness Range (millimeters): 0.759 to 3.512 millimeters

Zinc:

  • Standard Gauge Range: 28 to 10 gauge
  • Thickness Range (inches): 0.0135 to 0.1382 inches
  • Thickness Range (millimeters): 0.343 to 3.512 millimeters

The availability of specific gauge thicknesses may vary based on regional standards and manufacturing capabilities. Always refer to the material supplier or manufacturer for the exact gauge options and thicknesses available for your engineering project. Additionally, for critical applications, consult with engineering and design experts to ensure you select the appropriate sheet metal gauge and material for your specific requirements.

Sheet Metal Wire Gauge Size Table Chart


Here’s a comprehensive sheet metal wire gauge size table chart that provides the gauge number, wire diameter in inches, and wire diameter in millimeters:

GaugeWire Diameter (inches)Wire Diameter (millimeters)
00000.4611.684
0000.40910.404
000.36489.266
00.32498.252
10.28937.348
20.25766.544
30.22945.827
40.20435.189
50.18194.621
60.1624.115
70.14433.665
80.12853.264
90.11442.906
100.10192.588
110.09072.305
120.08082.053
130.0721.828
140.06411.628
150.05711.45
160.05081.291
170.04531.149
180.04031.024
190.03590.912
200.0320.812
210.02850.723
220.02540.644
230.02260.573
240.02010.511
250.01790.455
260.01590.405
270.01420.361
280.01260.321
290.01130.287
300.0100.255
310.008930.227
320.007950.202
330.007080.18
340.006290.16
350.005610.142
360.0050.127
370.004450.113
380.003970.101
390.003530.089
400.003150.08
Wire gauge sizes may vary slightly based on different gauge systems and standards. The values provided in this table are based on the American Wire Gauge (AWG) system. Always verify the precise wire diameter specified by the manufacturer or supplier to ensure accuracy in your applications.
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