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Metal weight

Square tube 180×180×6 mm weight

Steel Square tube 180×180×6, cold-formed (EN 10219), weighs 32.05 kg/m. A 6 m bar weighs 192.3 kg and a 12 m bar 384.6 kg. The hot-finished version (EN 10210) has tighter corners and weighs 32.48 kg/m. Values are theoretical, for a density of 7.85 g/cm³.

Weight per metre32.05kg/m
6 m bar192.3kg
12 m bar384.6kg
Metres per tonne31.2m
Painting surface0.699m²/m
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180 × 180 × 6 mm
Side
180 mm
Wall thickness
6 mm
Cold-formed, EN 10219
32.05 kg/m
Hot-finished, EN 10210
32.48 kg/m
Section area
40.83 cm²
Outer surface
0.699 m²/m
Outer surface
0.699 m²/m

Weight by length

LengthSteelStainless 304Aluminium
1 m32.05 kg32.38 kg11.02 kg
2 m64.11 kg64.76 kg22.05 kg
3 m96.16 kg97.14 kg33.07 kg
4 m128.22 kg129.52 kg44.10 kg
5 m160.27 kg161.90 kg55.12 kg
6 m192.32 kg194.28 kg66.15 kg
8 m256.43 kg259.04 kg88.20 kg
10 m320.54 kg323.81 kg110.25 kg
12 m384.65 kg388.57 kg132.30 kg

How it was calculated

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

kg/m = section area (mm²) × 0.00785. The area comes from side and thickness, minus the rounded corners: for cold-formed tube (EN 10219) the outer radius is 2t up to 6 mm wall, 2.5t up to 10 mm and 3t above; for hot-finished tube (EN 10210) the outer radius is 1.5t.

For Square tube 180×180×6, the section area is 40.83 cm², so 1 metre = 40.83 × 0.785 = 32.054 kg.

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

Other square tube sizes

Square tube 180×180×3Square tube 180×180×4Square tube 180×180×5Square tube 180×180×6Square tube 180×180×8Square tube 180×180×10Square tube 180×180×12.5Square tube 45×45×6Square tube 50×50×6Square tube 60×60×6Square tube 70×70×6Square tube 80×80×6Square tube 90×90×6Square tube 100×100×6Square tube 120×120×6Square tube 140×140×6Square tube 150×150×6Square tube 160×160×6Square tube 200×200×6Square tube 250×250×6Square tube 300×300×6Full table →

Working out a whole order?

Add Square tube 180×180×6 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 Square tube 180×180×6 weigh?

One metre of steel Square tube 180×180×6 weighs 32.05 kg.

How much does a 6 m bar of Square tube 180×180×6 weigh?

A 6 m bar weighs 192.3 kg and a 12 m bar 384.6 kg.

How many metres of Square tube 180×180×6 are in one tonne?

One tonne contains about 31.2 metres.