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Metal weight

Rectangular tube 180×100×12.5 mm weight

Steel Rectangular tube 180×100×12.5, cold-formed (EN 10219), weighs 44.78 kg/m. A 6 m bar weighs 268.7 kg and a 12 m bar 537.4 kg. The hot-finished version (EN 10210) has tighter corners and weighs 48.73 kg/m. Values are theoretical, for a density of 7.85 g/cm³.

Weight per metre44.78kg/m
6 m bar268.7kg
12 m bar537.4kg
Metres per tonne22.3m
Painting surface0.496m²/m
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180 × 100 × 12.5 mm
Width × height
180 × 100 mm
Wall thickness
12.5 mm
Cold-formed, EN 10219
44.78 kg/m
Hot-finished, EN 10210
48.73 kg/m
Section area
57.04 cm²
Outer surface
0.496 m²/m
Outer surface
0.496 m²/m

Weight by length

LengthSteelStainless 304Aluminium
1 m44.78 kg45.24 kg15.40 kg
2 m89.56 kg90.47 kg30.80 kg
3 m134.34 kg135.71 kg46.21 kg
4 m179.12 kg180.94 kg61.61 kg
5 m223.90 kg226.18 kg77.01 kg
6 m268.68 kg271.41 kg92.41 kg
8 m358.23 kg361.89 kg123.21 kg
10 m447.79 kg452.36 kg154.02 kg
12 m537.35 kg542.83 kg184.82 kg

How it was calculated

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

kg/m = section area (mm²) × 0.00785, with the area calculated from width, height and thickness and the corners rounded per EN 10219 (cold-formed) or EN 10210 (hot-finished, outer radius 1.5t).

For Rectangular tube 180×100×12.5, the section area is 57.04 cm², so 1 metre = 57.04 × 0.785 = 44.779 kg.

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

Other rectangular tube sizes

Rectangular tube 180×100×3Rectangular tube 180×100×4Rectangular tube 180×100×5Rectangular tube 180×100×6Rectangular tube 180×100×8Rectangular tube 180×100×10Rectangular tube 180×100×12.5Rectangular tube 100×80×12.5Rectangular tube 120×80×12.5Rectangular tube 140×80×12.5Rectangular tube 150×100×12.5Rectangular tube 160×80×12.5Rectangular tube 200×100×12.5Rectangular tube 200×120×12.5Rectangular tube 250×150×12.5Rectangular tube 300×200×12.5Full table →

Working out a whole order?

Add Rectangular tube 180×100×12.5 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 Rectangular tube 180×100×12.5 weigh?

One metre of steel Rectangular tube 180×100×12.5 weighs 44.78 kg.

How much does a 6 m bar of Rectangular tube 180×100×12.5 weigh?

A 6 m bar weighs 268.7 kg and a 12 m bar 537.4 kg.

How many metres of Rectangular tube 180×100×12.5 are in one tonne?

One tonne contains about 22.3 metres.