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Press brake bend allowance chart for mild steel
Advantage Fabricated Metals offers press braking services for those who
require these metal-fabricating services. We operate a variety of press
brakes to assist our OEM customers to produce press braked metal forms
needed to meet their custom fabricated metal parts requirements.
To determine the bend allowance for your 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.
For more information about Advantage Fabricated Metals and the metal
forming and fabricating services we provide, please fill out our contact
form or call us at 1-815-323-1310.
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