ALLIED AME - BERTSCH - BROBO - BURR-KING - CARELL - CLAUSING - CLEVELAND - COLLINS - DAKE - DURA-BORE - EAGLE - ERCOLINA - EVERETT - EVOLUTION - FALLS - FICEP - HECK - HOSSFIELD - HYD-MECH - IKS - JANCY - KALAMAZAOO - KAMA - KOIKE - ARONSON - LENOX - MEP - NATIONAL - NITTO-KOHKI - PERFECTION - PIRANHA - SCOTCHMAN - SLUGGER - STANDARD - TRUMPF - WA WHITNEY - WYNN'S

Round Tube Information

Minimum Achievable Radii with Standard Tooling

Tube	.039	.047	.059	.079	.098	.118	.128	.138	.157	.177
1/4"	1.4	.47	.47	.47	1.4	1.4	.78	.78	.78	.78
3/8"	1.4	1.4	.78	.78	.78	.78	.78	.78	.78	.78
1/2"	1.4	1.4	1	1	1	1	1	1	1	1
5/8"	1.8	1.8	1.8	1.4	1.4	1.4	1.4	1.4	1.4	1.4
3/4"	2.6	2.6	2.6	1.8	1.8	1.8	1.8	1.8	1.8	1.8
7/8"	2.6	2.6	2.2	1.8	1.8	1.8	1.8	1.8	1.8	1.8
1"	3.2	3.2	2.6	2.2	2.2	2.2	2.2	2.2	2.2	2.2
1-1/8"	3.2	3.2	3.2	2.6	2.2	2.2	2.2	2.2	2.2	2.2
1-1/4"	4.4	4.4	4.4	3.2	2.6	2.6	2.6	2.6	2.6	2.6
1-3/8"	4.4	4.4	4.4	3.2	3.2	3.2	3.2	3.2	3.2	3.2
1-1/2"	7.5	5.9	5.1	3.9	3.9	3.5	3.5	3.5	3.5	3.5
1-5/8"	7.5	5.9	5.1	3.9	3.9	3.5	3.5	3.5	3.5	3.5
1-3/4"			6.7	6.7	5.1	3.9	3.9	3.9	3.9
1-7/8"			7.5	5.9	5.1	3.9	3.9	3.9	3.9
2"			7.5	7.5	5.9	4.7	4.7	4.7	4.7
2-1/8"			7.5	7.5	5.9	5.1	5.1	4.7
2-1/4"				7.5	5.9	5.1	5.1	5.1
2-3/8"				7.5	5.9	5.1	5.1	5.1
3"					11.8	10.2	9.8

Reference catalog for individual machine capacities

Tube gauge sizes Equivalent in inches
10 Ga.	.134
11 Ga.	.120
12 Ga.	.109
13 Ga.	.095
14 Ga.	.083
16 Ga.	.065
18 Ga.	.049
20 Ga.	.035

Bending Terminology