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Mild Steel Square Bars

Mild Steel Square Bars

UK's Leading Supplier of Cut To Size Materials

Our range of mild steel square bar stock provides versatile 90-degree sections for fabricating frames, bases, brackets, machinery parts and more. We offer hot-rolled EN10025 S275JR squares offering easy welding, improved torque resistance, and multi-directional fixing. Many common sizes are in stock for next-day delivery. Don’t see the size you need? Get a quick quote for free custom-cut lengths.

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On Orders £250+

400,000+

Orders Shipped

1.9million

Pieces Cut to Size

10,000+

5* Reviews on

400k+

Orders

1.9mil

Pieces Cut

10k+

5* Reviews

Mild Steel Square Bar

20mm Mild Steel Square Bar

2 reviews

Cut to size Mill Finish
Recyclable

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Mild Steel Square Bar FAQs

What are steel square bars used for?

Steel square bars are used in a wide range of manufacturing, construction and engineering applications that require 90 degree corners and edges. Common uses for steel squares include frames, braces, brackets, bases, linear guides, keys, axles, machinery parts and more as the shape allows for multi-directional bolting, welding and rigidity. The versatility of steel square bar makes it suitable for both structural fabrication and precision machining.

How much do mild steel square bars weigh?

The weight of a square steel bar per meter depends on the thickness of the bar and the steel grade. Here are some approximate weights per thickness for our S275JR square bars:

Thickness (mm)	Weight (kg/m)
10	0.785
12	1.130
14	1.536
16	2.010
20	3.140
25	4.906
30	7.065
40	12.560

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Excellent

Based on 14679 reviews

Trustpilot

Verified

Excellent product. Delivered promptly and very well packaged

Ronald Wheatley,

1 hour ago

Verified

Reliable, prompt delivery package containg plastic for greenhouse was well protected

Joseph Takacs,

2 hours ago

Verified

Excellent customer service. Easy to navigate the website and place an order. Kept fully informed of dispatch and delivery. Thank you

StevenGallimore ,

2 hours ago

Verified

Easy to use website got what I wanted easily

Mikea,

2 hours ago

Verified

Order completed as requested. Good product and service.

James Cook,

3 hours ago

Verified

Item exactly as described and ordered, quick delivery and excellently packaged.

P J B,

4 hours ago

Verified

great delivery times,very good product and cut to correct size.

Mr simon pope,

4 hours ago

Verified

So glad that I found this website the perspex was cut to precision, arrived in time, carefully and protectively packaged. Really good quality!!

Mark B,

5 hours ago

Verified

Great service. Used before and will use again!

customer,

6 hours ago

Verified

Top class good website,quick ,quality. What more can you ask.

Mr Richard Strain,

7 hours ago

Verified

Very efficient service. Arrived within a week of ordering. Measurements were very accurate which made my minor DIY job (new shelves) so easy I surprised myself! I will definitely use you again next time I need something.

Steve,

8 hours ago

Verified

Great service. Prompt delivery.

Rob,

9 hours ago

Verified

Easy service to use and quick delivery

Peter,

10 hours ago

Verified

Ordering was simple to do. Gave the exact measurements and added a centre hole. Arrived perfect.

Name Pip,

18 hours ago

Verified

Good quality product with full transparency. well packaged and good delivery.

Alan Debenham,

20 hours ago

Verified

Have used them many times always a great service and product

Paul Rose,

22 hours ago

Verified

Quick efficient service given. Easy to order online, kept upto date with progress of order. Would use again!

Mrs BERYL BOURNER,

23 hours ago

Verified

Great product/ service. Quick delivery.

LP Pow,

23 hours ago

Verified

Easy to order. Great service

Bethan Houghton,

1 day ago

Verified

The process ordering was clear and simple and the delivery was straightforward and on time . Communication was good so we knew when to expect it, Fit was perfect and we are pleased with the product

Carole King ,

1 day ago