Theoretical Linear Unit Weights (Mass)
| W |
= |
Weight in pounds per foot |
| M |
= |
Mass in kilograms per metre |
| D |
= |
Outside diameter or distance across flats in inches (or millimetres) |
| d |
= |
Inside diameter or distance across flats in inches (or millimetres) |
| t |
= |
Wall thickness in inches (or millimetres) |
| eD |
= |
Equivalent round outside diameter in inches (or millimetres) |
| ed |
= |
Equivalent round inside diameter in inches (or millimetres) |
| et |
= |
Equivalent wall thickness in inches (or millimetres) |
|
D1
|
=
|
Major outside diameter of oval tube in inches (or millimetres)
|
|
d1
|
=
|
Major inside diameter of oval tube in inches (or millimetres)
|
|
D2
|
=
|
Minor outside diameter of oval tube in inches (or millimetres)
|
|
d2
|
=
|
Minor inside diameter of oval tube in inches (or millimetres)
|