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Approximate RADII¹ For 90° Cold Bend
Sheet and Plate
 
Alloy and Temper Radii for various thicknesses expressed in terms of thickness "t"
1/64 in. 1/32 in. 1/16 in. 1/8 in. 3/16 in. 1/4 in. 1/3 in. 1/2 in.
1100-O
1100-H12
1100-H14
1100-H16
1100-H18
0
0
0
0
0-1t
0
0
0
0
1/2 t-1 1/2t
0
0
0
0-1t
1t-2t
1/2 t - 1t
1t
1t
1t-1 1/2 t
1 1/2 t - 3t
1/2t - 1t
1t
1t
1t -2t
2t - 4t
1t
1t
1t
1 1/2 - 3t
2t - 4t
1t
1t
1t
2 1/2 t - 3 1/2 t
3t - 5t
1t - 2t
1t - 3t
2t - 3t
3t - 4t
3t - 6t
Alclad 2014-O
Alclad 2014-T3
Alclad 2014-T4
Alclad 2014-T6
0
1t - 2t
1t - 2t
2t - 4t
0 - 1t
1 1/2t - 3t
1 1/2t - 3t
3t - 5t
0 - 1t
2t - 4t
2t - 4t
3t - 5t
1t
3t - 5t
3t - 5t
4t - 6t
1t
4t -6t
4t - 6t
5t - 7t
1t
4t - 6t
4t - 6t
5t - 7t
1 1/2 - 3t
5t -7t
5t -7t
7t - 10t
3t - 5t
5 1/2t - 8t
5 1/2t - 8t
8t - 11t
2024-O
2024-T3
2024-T36
2024-T4
T42
2024-T81
2024-T86
0
1 1/2t - 3t
2t - 4t
1 1/2t - 3t
1 1/2t - 3t
3 1/2t - 5t
4t - 5 1/2t
0-1t
2t - 4t
3t - 5t
2t - 4t
2t - 4t
4 1/2t - 6t
5t - 7t
0 - 1t
3t - 5t
4t - 6t
3t - 5t
3t - 5t
5t - 7t
6t - 8t
1t
4t - 6t
5t - 7t
4t - 6t
4t - 6t
6 1/2t - 8t
7 1/2t - 10t
1t
4t - 6t
5t - 7t
4t - 6t
4t - 6t
7t - 9t
8t - 11t
1t
5t - 7t
6t - 10t
5t - 7t
5t - 7t
8t - 10t
9t - 11t
1 1/2t - 3t
6t - 8t
7t - 10t
6t - 8t
6t - 8t
9t - 11t
10t - 13t
3t - 5t
6t - 9t
8t - 11t
6t - 9t
6t - 9t
9t - 12t
10t - 13t
2219-T31
2219-T37
2219-T81
2219-T87
--
--
--
--
--
--
--
--
1/2t - 1 1/2t
1/2t - 2t
2t - 4t
2t - 4t
1t - 1 1/2t
1 1/2t - 3t
2 1/2t - 4 1/2t
3t - 5t
1t -1 1/2t
1 1/2t - 3t
2 1/2t - 4 1/2t
3t - 5t
1t - 2t
2t - 4t
3 1/2t - 5t
4t - 6 1/2t
1t - 2t
3t - 5t
4t - 6t
5t - 8t
1 1/2t - 2 1/2t
3 1/2t - 5 1/2t
4 1/2t - 7t
6t - 8t
3003-O
3003-H12
3003-H14
3003-H16
3003-H18
0
0
0
0 - 1t
1/2t - 1 1/2t
0
0
0
0 - 1t
1t - 2t
0
0
0
1/2t - 1 1/2t
1 1/2t - 3t
1/2t - 1t
1t
1t
1t - 2t
2t - 4t
1/2t - 1t
1t
1t
1 1/2t - 3t
3t - 5t
1t
1t
1t - 1 1/2t
2t - 4t
4t - 6t
1t
1t
1t -2 1/2t
2 1/2t - 4t
4t - 7t
1t - 2t
1t - 3t
1 1/2t - 3t
3t - 5t
5t - 8t
5005-O
5005-H12
5005-H14
5005-H16
5005-H18
5005-H32
5005-H34
5005-H36
5005-H38
0
0
0
0 - 1t
1/2t - 1 1/2t
0
0
0 - 1t
1/2t - 1 1/2t
0
0
0
0 - 1t
1t - 2t
0
0
0 - 1t
1t -2 t
0
0
0
1/2t - 1 1/2t
1 1/2t - 3t
0
0
1/2t - 1 1/2t
1 1/2t - 3 1/2t
1/2t - 1t
1t
1t
1t - 2t
2t - 4t
1t
1t
1t - 2t
2t - 4t
1/2t - 1t
1t
1t
1 1/2t - 3t
3t - 5t
1t
1t
1 1/2t - 3t
3t - 5t
1t
1t
1t - 1 1/2t
2t - 4t
4t - 6t
1t
1t - 1 1/2t
2t - 4t
4t - 6t
1t
1t
1t - 2 1/2t
2 1/2t - 4t
4t - 7t
1t
1t - 2 1/2t
2 1/2t - 4t
4t - 7t
1t - 2t
1t - 3t
1 1/2t - 3t
3t - 5t
5t - 8t
1t - 3t
1 1/2t - 3t
3t - 5t
5t - 8t
5052-O
5052-H32
5052-H34
5052-H36
5052-H112
0
0
0
0 - 1t
1/2t - 1 1/2t
0
0
0
1/2t - 1 1/2t
1t -2t
0 - 1t
1/2t - 1t
1/2t - 1 1/2t
1t - 2t
1 1/2t - 3t
1t
1t - 1 1/2t
1 1/2t - 2 1/2t
1 1/2t - 3t
2t - 4t
1t
1t - 1 1/2t
1 1/2t - 2 1/2t
2t - 4t
3t - 5t
1t
1t - 1 1/2t
2t - 3t
2t - 4t
4t - 6t
1t - 1 1/2t
1t - 2t
2t - 3t
2 1/2t - 5t
4t - 7t
1t - 2t
1 1/2t - 2 1/2t
2 1/2t - 3 1/2t
3t - 5 1/2t
5t - 8t
5086-O
5086-H32
5086-H34
5086-H36
5086-H112
0
0 - 1/2t
0 - 1t
--
0 - 1/2t
0 - 1t
0 - 1t
1/2t - 1 1/2t
--
0 - 1/2t
0 - 1t
1/2t - 1 1/2t
1t - 1 1/2t
--
1/2t - 1t
1t
1t - 2t
1 1/2t - 2 1/2t
2t - 3 1/2t
1/2t - 1 1/2t
1t
1 1/2t - 2t
2t - 3t
2 1/2t - 4t
1t - 1 1/2t
1t
1 1/2t - 2 1/2t
2t - 3t
3t - 4 1/2t
1t - 2t
1t - 1 1/2t
2t - 2 1/2t
2 1/2t - 3 1/2t
3t - 5t
1t - 2t
1t - 2t
2 1/2t - 3t
3t - 4f
3 1/2t - 5 1/2t
1 1/2t - 2 1/2t
6061-O
6061-T4
T42
6061-T6
0
0 - 1t
0 - 1t
0 - 1t
0 - 1t
0 - 1t
0 - 1t
1/2t - 1 1/2t
0 - 1t
1/2t - 1 1/2t
1/2t - 1 1/2t
1t - 2t
1t
1t - 2t
1t - 2t
1 1/2t - 3t
1t
1 1/2t - 3t
1 1/2t - 3t
2t - 4t
1t
2t - 4t
2t - 4t
3t - 4t
1t - 2t
2 1/2t - 4t
2 1/2t - 4t
3 1/2t - 5 1/2t
1t - 2 1/2t
3t - 5t
3t - 5t
4t - 6t
7075-O
7075-T6
0
2t - 4t
0 - 1t
3t - 5t
0 - 1t
4t - 6t
1/2t - 1 1/2t
5t - 7t
1t - 2t
5t - 7t
1 1/2t - 3t
6t - 10t
2 1/2t - 4t
7t - 11t
3t - 5t
7t - 12t
7079-O
7079-T6
--
--
--
--
--
--
--
--
--
--
1 1/2t - 3t
6t - 10t
2 1/2t - 4t
7t - 11t
3t - 5t
7t - 12t
                 

 

 

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