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Metal weight

Square tube 20×20×1 mm weight

Steel Square tube 20×20×1, cold-formed (EN 10219), weighs 0.58 kg/m. A 6 m bar weighs 3.5 kg and a 12 m bar 6.9 kg. The hot-finished version (EN 10210) has tighter corners and weighs 0.59 kg/m. Values are theoretical, for a density of 7.85 g/cm³.

Weight per metre0.58kg/m
6 m bar3.5kg
12 m bar6.9kg
Metres per tonne1,735.0m
Painting surface0.077m²/m
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20 × 20 × 1 mm
Side
20 mm
Wall thickness
1 mm
Cold-formed, EN 10219
0.58 kg/m
Hot-finished, EN 10210
0.59 kg/m
Section area
0.73 cm²
Outer surface
0.077 m²/m
Outer surface
0.077 m²/m

Weight by length

LengthSteelStainless 304Aluminium
1 m0.58 kg0.58 kg0.20 kg
2 m1.15 kg1.16 kg0.40 kg
3 m1.73 kg1.75 kg0.59 kg
4 m2.31 kg2.33 kg0.79 kg
5 m2.88 kg2.91 kg0.99 kg
6 m3.46 kg3.49 kg1.19 kg
8 m4.61 kg4.66 kg1.59 kg
10 m5.76 kg5.82 kg1.98 kg
12 m6.92 kg6.99 kg2.38 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 20×20×1, the section area is 0.73 cm², so 1 metre = 0.73 × 0.785 = 0.576 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 20×20×1Square tube 20×20×1.2Square tube 20×20×1.5Square tube 20×20×2Square tube 20×20×2.5Square tube 15×15×1Square tube 25×25×1Square tube 30×30×1Square tube 35×35×1Square tube 40×40×1Square tube 45×45×1Square tube 50×50×1Square tube 60×60×1Full table →

Working out a whole order?

Add Square tube 20×20×1 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 Square tube 20×20×1 weigh?

One metre of steel Square tube 20×20×1 weighs 0.58 kg.

How much does a 6 m bar of Square tube 20×20×1 weigh?

A 6 m bar weighs 3.5 kg and a 12 m bar 6.9 kg.

How many metres of Square tube 20×20×1 are in one tonne?

One tonne contains about 1,735.0 metres.