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Metal weight

Rectangular tube 300×200×12.5 mm weight

Steel Rectangular tube 300×200×12.5, cold-formed (EN 10219), weighs 87.95 kg/m. A 6 m bar weighs 527.7 kg and a 12 m bar 1,055.5 kg. The hot-finished version (EN 10210) has tighter corners and weighs 91.90 kg/m. Values are theoretical, for a density of 7.85 g/cm³.

Weight per metre87.95kg/m
6 m bar527.7kg
12 m bar1,055.5kg
Metres per tonne11.4m
Painting surface0.936m²/m
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300 × 200 × 12.5 mm
Width × height
300 × 200 mm
Wall thickness
12.5 mm
Cold-formed, EN 10219
87.95 kg/m
Hot-finished, EN 10210
91.90 kg/m
Section area
112.04 cm²
Outer surface
0.936 m²/m
Outer surface
0.936 m²/m

Weight by length

LengthSteelStainless 304Aluminium
1 m87.95 kg88.85 kg30.25 kg
2 m175.91 kg177.70 kg60.50 kg
3 m263.86 kg266.55 kg90.76 kg
4 m351.82 kg355.40 kg121.01 kg
5 m439.77 kg444.25 kg151.26 kg
6 m527.73 kg533.10 kg181.51 kg
8 m703.63 kg710.81 kg242.01 kg
10 m879.54 kg888.51 kg302.52 kg
12 m1,055.45 kg1,066.21 kg363.02 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 300×200×12.5, the section area is 112.04 cm², so 1 metre = 112.04 × 0.785 = 87.954 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 300×200×5Rectangular tube 300×200×6Rectangular tube 300×200×8Rectangular tube 300×200×10Rectangular tube 300×200×12.5Rectangular 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 180×100×12.5Rectangular tube 200×100×12.5Rectangular tube 200×120×12.5Rectangular tube 250×150×12.5Full table →

Working out a whole order?

Add Rectangular tube 300×200×12.5 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 300×200×12.5 weigh?

One metre of steel Rectangular tube 300×200×12.5 weighs 87.95 kg.

How much does a 6 m bar of Rectangular tube 300×200×12.5 weigh?

A 6 m bar weighs 527.7 kg and a 12 m bar 1,055.5 kg.

How many metres of Rectangular tube 300×200×12.5 are in one tonne?

One tonne contains about 11.4 metres.