6 mm steel plate weight

47.10 kg/m² · 9.65 lb/ft²

A 6 mm (6.00 mm) carbon steel plate weighs 47.10 kg per square metre: 6.000 mm × 7.85 kg/(m²·mm).

Weight of standard plate sizes

Plate sizekglb
1000 × 2000 mm94.2207.7
1250 × 2500 mm147.2324.5
1500 × 3000 mm212.0467.3
1500 × 6000 mm423.9934.5
2000 × 6000 mm565.21,246.1
Stacks of industrial steel plates in a yard
Photo: Neil Theasby, Wikimedia Commons, CC BY-SA 2.0.

Same thickness in other metals

Materialkg/m²lb/ft²
Stainless steel 30447.589.75
Aluminum16.203.32
Copper53.7611.01
Brass51.0010.45

Weight of cut pieces

Base plates, gussets, cleats and flange blanks are cut from plate. Weights below are for the full square or disc, before holes, slots or chamfers.

Square piecekglb
100 × 100 mm0.471.04
150 × 150 mm1.062.34
200 × 200 mm1.884.15
250 × 250 mm2.946.49
300 × 300 mm4.249.35
400 × 400 mm7.5416.61
500 × 500 mm11.7725.96
1000 × 1000 mm47.10103.84
Round disckglb
Ø 100 mm0.370.82
Ø 200 mm1.483.26
Ø 300 mm3.337.34
Ø 500 mm9.2520.39
Ø 1000 mm36.9981.55

For any other shape, multiply the area by 47.10 kg/m² (9.65 lb/ft²). For a ring or a plate with a hole, subtract the hole's area.

Sheets per tonne

Sheet sizeSheets
1250 × 2500 mm6.8
1500 × 3000 mm4.7
2000 × 6000 mm1.8

Compared with nearby thicknesses

Thicknesskg/m²lb/ft²vs 6 mm
4 mm31.406.43−33 %
5 mm39.258.04−17 %
6 mm47.109.65—
8 mm62.8012.86+33 %
10 mm78.5016.08+67 %

The nearest standard inch thickness is 1/4 in (6.35 mm, 49.85 kg/m²). This thickness is common for base plates of light columns, gussets, brackets, cleats, stiffeners, chequer plate floors and tank shells.

Hot-rolled plate is made to a thickness tolerance (EN 10029 in Europe, ASTM A6 in the US). These tolerances allow more over-thickness than under-thickness, so weighbridge weights can come out a little above the theoretical weight.

Frequently asked questions

What is the weight of 6 mm steel plate per square metre?

47.10 kg/m²: 6.00 mm × 7.85 kg per m² per mm.

How much does a 1500 × 3000 mm sheet of 6 mm plate weigh?

212.0 kg (4.5 m² × 47.10 kg/m²). A 1250 × 2500 mm sheet weighs 147.2 kg.

What is the inch equivalent of 6 mm plate?

The nearest standard inch thickness is 1/4 in (6.35 mm). They are not identical, so check tolerances and weights if you substitute.

How much does a 300 × 300 mm piece of 6 mm plate weigh?

4.24 kg (0.09 m² × 47.10 kg/m²), before holes or chamfers.

How much does 6 mm aluminum or stainless plate weigh?

Aluminum 6 mm plate weighs about 16.20 kg/m², stainless steel 304 about 47.58 kg/m².

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