Press brake bend allowance chart for mild steel
To determine the bend allowance for your mild steel, determine the gauge of the metal and then use the chart that follows:
| Part
Radius |
Metal Thickness In Gauge
or Inches |
24
GA |
22
GA |
20
GA |
18
GA |
16
GA |
14
GA |
12
GA |
11
GA |
10
GA |
7
GA |
1/4" |
| 0.024 |
0.030 |
0.036 |
0.048 |
0.060 |
0.075 |
0.105 |
0.120 |
0.134 |
0.179 |
0.250 |
| 1/64" |
0.021 |
0.026 |
0.030 |
0.039 |
0.049 |
0.059 |
0.081 |
0.092 |
0.103 |
0.143 |
0.189 |
| 1/32" |
0.025 |
0.029 |
0.033 |
0.042 |
0.053 |
0.062 |
0.084 |
0.096 |
0.107 |
0.146 |
0.192 |
| 1/16" |
0.031 |
0.036 |
0.040 |
0.049 |
0.058 |
0.069 |
0.091 |
0.102 |
0.113 |
0.153 |
0.198 |
| 3/32" |
0.038 |
0.043 |
0.047 |
0.056 |
0.065 |
0.076 |
0.098 |
0.109 |
0.120 |
0.160 |
0.205 |
| 1/8" |
0.045 |
0.049 |
0.054 |
0.062 |
0.071 |
0.082 |
0.105 |
0.116 |
0.127 |
0.166 |
0.212 |
| 3/16" |
0.056 |
0.061 |
0.065 |
0.073 |
0.081 |
0.091 |
0.111 |
0.121 |
0.131 |
0.167 |
0.225 |
| 1/4" |
0.068 |
0.072 |
0.076 |
0.083 |
0.090 |
0.099 |
0.117 |
0.127 |
0.136 |
0.168 |
0.239 |
| 5/16" |
0.082 |
0.085 |
0.089 |
0.096 |
0.104 |
0.113 |
0.131 |
0.140 |
0.149 |
0.181 |
0.253 |
| 3/8" |
0.095 |
0.990 |
0.102 |
0.110 |
0.117 |
0.126 |
0.144 |
0.153 |
0.162 |
0.195 |
0.267 |
| 1/2" |
0.122 |
0.126 |
0.129 |
0.136 |
0.144 |
0.153 |
0.171 |
0.180 |
0.189 |
0.221 |
0.295 |
The bend allowance figures are approximate guides to establish dimensions
for bending and to develop the flat blank size of the component part.
Call us today at 1-219-931-3131, email us at sales@midwestmetalfabrication.com, or send a fax using 1-219-844-8512 to get a quick quote to help solve your heavy gauge steel fabricating problems.
When a project calls for heavy gauge metal fabricating for OEM or end-user parts and components, call the rest, then use the best - Midwest Metal Fabrication! Call 1-219-931-3131 today!
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