Metal weight

Round tube 323.9×7.1 mm weight

Steel Round tube Ø323.9×7.1 weighs 55.47 kg/m. A 6 m bar weighs 332.8 kg and a 12 m bar 665.6 kg. Values are theoretical, for a density of 7.85 g/cm³.

Weight per metre55.47kg/m
6 m bar332.8kg
12 m bar665.6kg
Metres per tonne18.0m
Painting surface1.018m²/m
Ø 323.9 × 7.1 mm
Outside diameter
323.9 mm
Wall thickness
7.1 mm
Section area
70.66 cm²
Inside diameter
309.7 mm
Inch (approx.)
12″
Outer surface
1.018 m²/m
Internal volume
75.33 l/m
Outer surface
1.018 m²/m

Weight by length

LengthSteelStainless 304Aluminium
1 m55.47 kg56.04 kg19.08 kg
2 m110.94 kg112.07 kg38.16 kg
3 m166.41 kg168.11 kg57.24 kg
4 m221.88 kg224.14 kg76.32 kg
5 m277.35 kg280.18 kg95.40 kg
6 m332.82 kg336.22 kg114.47 kg
8 m443.76 kg448.29 kg152.63 kg
10 m554.71 kg560.36 kg190.79 kg
12 m665.65 kg672.43 kg228.95 kg

How it was calculated

The weight is the section area multiplied by the material density:

kg/m = (D − t) × t × 0.02466, where D is the outside diameter and t the wall thickness, in mm.

For Round tube Ø323.9×7.1, the section area is 70.66 cm², so 1 metre = 70.66 × 0.785 = 55.471 kg.

The real weight can differ by a few percent because of rolling tolerances. For other materials or lengths use the calculator.

Other round tube sizes

Round tube Ø323.9×6.3Round tube Ø323.9×7.1Round tube Ø323.9×8Round tube Ø323.9×10Round tube Ø323.9×12.5Round tube Ø60.3×7.1Round tube Ø76.1×7.1Round tube Ø88.9×7.1Round tube Ø101.6×7.1Round tube Ø108×7.1Round tube Ø114.3×7.1Round tube Ø133×7.1Round tube Ø139.7×7.1Round tube Ø159×7.1Round tube Ø168.3×7.1Round tube Ø193.7×7.1Round tube Ø219.1×7.1Round tube Ø244.5×7.1Round tube Ø273×7.1Full table →

Working out a whole order?

Add Round tube Ø323.9×7.1 to the materials list and see the total weight and cost of the order, together with the other products.

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Frequently asked questions

How much does one metre of Round tube Ø323.9×7.1 weigh?

One metre of steel Round tube Ø323.9×7.1 weighs 55.47 kg.

How much does a 6 m bar of Round tube Ø323.9×7.1 weigh?

A 6 m bar weighs 332.8 kg and a 12 m bar 665.6 kg.

How many metres of Round tube Ø323.9×7.1 are in one tonne?

One tonne contains about 18.0 metres.