Mild Steel Flat Bars

Our steel flat bars come in a variety of sizes, meaning you need look no further than B & S Steel Supply for your project needs. With a huge range in stock and custom orders available, the steel you need is just an order way.

Steel Flats Specifications

Size (A x B)mm Mass Kgm/Metre Length Metre
10 x 3 0.24 4.1
13 x 3 0.31 4.1
13 x 5 0.51 4.1
13 x 6 0.61 4.1
16 x 3 0.38 4.1
16 x 5 0.63 4.1
16 x 6 0.75 4.1
20 x 3 0.47 4.1
20 x 5 0.79 4.1
20 x 6 0.94 4.1
20 x 10 1.57 6.1
20 x 12 1.88 6.1
25 x 3 0.59 4.1
25 x 5 0.98 6.1
25 x 6 1.18 6.1
25 x 8 1.57 6.1
25 x 10 1.96 6.1
25 x 12 2.36 6.1
30 x 3 0.71 4.1
30 x 5 1.18 4.1
30 x 6 1.41 6.1
30 x 8 1.88 6.1
30 x 10 2.36 6.1
30 x 12 2.83 6.1
40 x 3 0.94 4.1
40 x 5 1.57 6.1
40 x 6 1.88 6.1
40 x 8 2.51 6.1
40 x 10 3.14 6.1
40 x 12 3.77 6.1
40 x 15 4.71 6.1
40 x 20 6.28 6.1
40 x 25 7.85 6.1
45 x 5 1.77 6.1
45 x 6 2.12 6.1
45 x 10 3.53 6.1
50 x 3 1.18 4.1
50 x 5 1.96 6.1
50 x 6 2.36 6.1
50 x 8 3.14 6.1
50 x 10 3.93 6.1
50 x 12 4.71 6.1
50 x 15 5.89 6.1
50 x 20 7.85 6.1
50 x 25 9.81 6.1
50 x 30 11.78 6.1
50 x 40 15.70 6.1
60 x 5 2.36 6.1
60 x 5 2.36 6.1
60 x 6 2.83 6.1
60 x 8 3.77 6.1
60 x 10 4.71 6.1
60 x 12 5.65 6.1
60 x 15 7.07 6.1
60 x 20 9.42 6.1
60 x 25 11.77 6.1
60 x 30 14.13 6.1
65 x 6 3.06 6.1
65 x 8 4.08 6.1
65 x 10 5.10 6.1
65 x 12 6.12 6.1
70 x 6 3.30 6.1
70 x 8 4.46 6.1
70 x 10 5.50 6.1
70 x 12 6.59 6.1
70 x 15 8.24 6.1
70 x 20 10.99 6.1
70 x 25 13.74 6.1
75 x 3 1.76 4.1
75 x 5 2.97 6.1
75 x 6 3.53 6.1
75 x 8 4.71 6.1
75 x 10 5.89 6.1
75 x 12 7.07 6.1
80 x 6 3.77 6.1
80 x 8 5.02 6.1
80 x 10 6.28 6.1
80 x 12 7.54 6.1
80 x 15 9.42 6.1
80 x 20 12.56 6.1
90 x 6 4.24 6.1
90 x 8 5.65 6.1
90 x 10 7.07 6.1
90 x 12 8.48 6.1
90 x 15 10.60 6.1
100 x 3 2.36 6.1
100 x 5 3.93 6.1
100 x 6 4.71 6.1
100 x 8 6.28 6.1
100 x 10 7.85 6.1
100 x 12 9.42 6.1
100 x 15 11.78 6.1
100 x 20 15.70 6.1
100 x 25 19.63 6.1
100 x 30 23.55 6.1
100 x 40 31.40 6.1
100 x 50 39.25 6.1
120 x 10 9.42 6.1
130 x 6 6.12 6.1
130 x 10 10.21 6.1
130 x 12 12.25 6.1
130 x 15 15.31 6.1
150 x 6 7.07 6.1
150 x 8 9.42 6.1
150 x 10 11.78 6.1
150 x 12 14.13 6.1
150 x 15 17.66 6.1
150 x 20 23.55 6.1
150 x 25 29.44 6.1
180 x 6 8.48 6.1
180 x 10 14.13 6.1
180 x 12 16.96 6.1
180 x 15 21.20 6.1
200 x 6 9.42 6.1
200 x 8 12.56 6.1
200 x 10 15.70 6.1
200 x 12 18.84 6.1
200 x 15 23.55 6.1
200 x 20 31.40 6.1
200 x 25 39.25 6.1
220 x 10 17.27 6.1
220 x 12 20.77 6.1
250 x 6 11.78 6.1
250 x 8 15.70 6.1
250 x 10 19.60 6.1
250 x 12 23.55 6.1
250 x 15 29.44 6.1
250 x 20 39.25 6.1
250 x 25 49.06 6.1
300 x 6 14.13 6.1
300 x 10 23.55 6.1
300 x 12 28.26 6.1
300 x 15 35.33 6.1
300 x 20 47.10 6.1
300 x 25 58.88 6.1
400 x 10 31.40 6.1
400 x 12 37.68 6.1
400 x 15 47.10 6.1

Steel Fabricators & Suppliers Across London

B & S Steel Supply offer steel beams in London and across the UK as well as our structural steel products. We have built a reputation over the years for providing a high quality of service with speedy delivery.


We offer a variety of steel sizes and weights which are fit for every project and we even offer a fabrication service which means we can customise our beams to your needs. Steel beams are also sometimes referred to as:

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B & S Steel Supply offer steel beams in London and across the UK as well as our structural steel products. We have built a reputation over the years for providing a high quality of service with speedy delivery. We offer a variety of steel sizes and weights which are fit for every project and we even offer a fabrication service which means we can customise our beams to your needs. Steel beams are also sometimes referred to as:

If you need steel beams you can either visit our contact page by clicking here, or you can call us on 0208 842 4855.