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Metal weight

Square tube 300×300×10 mm weight

Steel Square tube 300×300×10, cold-formed (EN 10219), weighs 88.36 kg/m. A 6 m bar weighs 530.2 kg and a 12 m bar 1,060.4 kg. The hot-finished version (EN 10210) has tighter corners and weighs 90.22 kg/m. Values are theoretical, for a density of 7.85 g/cm³.

Weight per metre88.36kg/m
6 m bar530.2kg
12 m bar1,060.4kg
Metres per tonne11.3m
Painting surface1.157m²/m
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300 × 300 × 10 mm
Side
300 mm
Wall thickness
10 mm
Cold-formed, EN 10219
88.36 kg/m
Hot-finished, EN 10210
90.22 kg/m
Section area
112.57 cm²
Outer surface
1.157 m²/m
Outer surface
1.157 m²/m

Weight by length

LengthSteelStainless 304Aluminium
1 m88.36 kg89.27 kg30.39 kg
2 m176.73 kg178.53 kg60.79 kg
3 m265.09 kg267.80 kg91.18 kg
4 m353.46 kg357.06 kg121.57 kg
5 m441.82 kg446.33 kg151.96 kg
6 m530.19 kg535.59 kg182.36 kg
8 m706.92 kg714.12 kg243.14 kg
10 m883.65 kg892.65 kg303.93 kg
12 m1,060.38 kg1,071.18 kg364.72 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 300×300×10, the section area is 112.57 cm², so 1 metre = 112.57 × 0.785 = 88.365 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 300×300×5Square tube 300×300×6Square tube 300×300×8Square tube 300×300×10Square tube 300×300×12.5Square tube 70×70×10Square tube 80×80×10Square tube 90×90×10Square tube 100×100×10Square tube 120×120×10Square tube 140×140×10Square tube 150×150×10Square tube 160×160×10Square tube 180×180×10Square tube 200×200×10Square tube 250×250×10Full table →

Working out a whole order?

Add Square tube 300×300×10 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 300×300×10 weigh?

One metre of steel Square tube 300×300×10 weighs 88.36 kg.

How much does a 6 m bar of Square tube 300×300×10 weigh?

A 6 m bar weighs 530.2 kg and a 12 m bar 1,060.4 kg.

How many metres of Square tube 300×300×10 are in one tonne?

One tonne contains about 11.3 metres.