TM 1-1500-204-23-2
Table 4-1. Bend Radii for Conduit and Fluid Lines1
Minimum bend radil2
Steel tubing
Nominal
1100-1/2H,
Corrision-
Desirable
Minimum
tube OD
5052-0
resistant 3
radius
radius 4
(inches)
(Inches)
(Inches)
(inches)
(Inches)
1
Bend radii measured to inside of bend.
2
Increase bend radii when wall thickness is below standard.
3
Equal to 3-1/2 times tube diameter.
4
The minimum radius will be used only when the desirable radius cannot be used.
4-5
