Metal weight

Rectangular tube weight table

Rectangular tube (rectangular hollow section) is preferred for light beams, frames, gates and structures where stiffness in one direction matters. Below is the theoretical weight of 208 common sizes, in steel with a density of 7.85 g/cm³.

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Values in kg/m. Click a value for the detailed page of that size.

Size \ wall1 mm1.2 mm1.5 mm2 mm2.5 mm3 mm4 mm5 mm6 mm8 mm10 mm12.5 mm
30×150.650.770.941.211.44
30×200.730.871.061.361.641.89
40×200.891.061.301.682.032.36
40×301.051.241.531.992.422.833.574.20
50×201.051.241.531.992.422.83
50×251.131.341.652.152.623.073.88
50×301.201.431.772.312.823.304.204.99
60×201.201.431.772.312.823.30
60×301.361.622.002.623.213.774.835.77
60×401.521.812.242.933.604.255.456.567.56
70×301.812.242.933.604.255.456.56
70×402.002.473.253.994.726.087.348.50
70×502.192.713.564.395.196.718.139.4511.34
80×402.713.564.395.196.718.139.45
80×603.184.195.176.137.979.7011.3313.8516.14
100×404.195.176.137.979.7011.33
100×504.505.566.608.5910.4812.2715.11
100×604.825.967.079.2211.2713.2116.3619.28
100×805.456.748.0110.4812.8415.1018.8722.4225.15
120×605.456.748.0110.4812.8415.1018.8722.42
120×806.077.538.9611.7314.4116.9821.3925.5629.08
140×808.319.9012.9915.9818.8723.9028.7033.00
150×1009.4911.3114.8718.3321.6927.6733.4138.89
160×8010.8414.2517.5520.7526.4131.8436.93
180×10012.7216.7620.6924.5231.4338.1244.78
200×10018.0122.2626.4033.9541.2648.70
200×12019.2723.8328.2936.4644.4052.63
250×15030.1135.8246.5156.9668.33
300×20037.9645.2459.0772.6687.95

Calculation formula

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).

Working out a whole order?

Put the products in the calculator’s materials list and see the total weight and cost of the order.

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Other tables

HEA sectionHEB sectionHEM sectionIPE sectionINP sectionUPN sectionUPE sectionRound tubeSquare tubeSteel sheetRound barSquare barHexagon barFlat barEqual angleUnequal angleT sectionRebar