Best Mild Steel Flat Bar Deals Online in the UK (10 Deals Found)

Last Updated - 14/09/2026 Sort By:

Best Choice
Static Arc

New
MILD STEEL FLAT BAR SOLID METAL IRON STRIP 3mm Thick / 25mm Width (3x25x300mm)
Grade: BS 4360 43A, Hot Rolled Low Carbon Steel; Suitable for welding and painting, easy to machine cut and drill.

£6.50
Best Value
Generic

New
Flat Bar Mild Steel | Width 40mm x 3mm Thickness | Length 1000mm–3000mm | Metal Fabrication & Engineering (40mm x 3mm x
High Quality Mild Steel Flat Bar – Strong, durable and easy to cut, drill and weld, ideal for fabrication, construction

£11.99
Full Armour

New
Mild Steel Sheet Square & Rectangle 0.8mm - 3mm Thick (2mm x 200mm x 200mm)
Ideal for patching and repairs

£10.29
JD Multi Metals

New
JD Multi Metals - Mild Steel Flat Bar various widths,thicknesses and lengths, Steel, 5mm x 50mm x 300mm
5mm x 50mm x 300mm

£8.99
Generic

New
Flat Bar Mild Steel | Width 25mm x 3mm Thickness | Length 1000mm–3000mm | Metal Fabrication & Engineering (25mm x 3mm x
High Quality Mild Steel Flat Bar – Strong, durable and easy to cut, drill and weld, ideal for fabrication, construction

£10.99
The Multi Metals Shop

New
Mild Steel Flat Bar | Hot Rolled Steel Flat Strip | Multiple Widths, Thicknesses & Lengths | Welding, Fabrication, Engin
Premium hot rolled mild steel flat bar suitable for welding, drilling, cutting, machining and general fabrication.

£6.74
Full Armour

New
Mild Steel Sheet Square & Rectangle 0.8mm - 3mm Thick (0.8mm x 200mm x 200mm)
Ideal for patching and repairs

£7.49
Static Arc

New
MILD STEEL FLAT BAR SOLID METAL IRON STRIP 3mm Thick / 20mm Width (3x20x300mm)
Grade: BS 4360 43A, Hot Rolled Low Carbon Steel; Suitable for welding and painting, easy to machine cut and drill.

£6.10
PATIKIL

New
PATIKIL 1084 Steel Flat Bar, 2 Pcs 12" x 1 1/2" x 1/8" Knife Making Steel Iron Stock for Forging Blade Knife Sword Chopp
Size: The knife blanks for knife making Come with 2 pcs silver flat steel bars measuring 12" x 1 1/2" x 1/8"(304.8 x 38

£8.69
The Multi Metals Shop

New
Mild Steel Flat Bar | Hot Rolled Steel Flat Strip | Multiple Widths, Thicknesses & Lengths | Welding, Fabrication, Engin
Premium hot rolled mild steel flat bar suitable for welding, drilling, cutting, machining and general fabrication.

£8.99

10 Mild Steel Flat Bar deals are available from: Amazon stores, starting from £6.10.
The biggest discount we found is 10%% on MILD STEEL FLAT BAR SOLID METAL IRON STRIP 3mm Thick / 25mm Width (3x25x300mm) at Amazon.
The lowest price we found is £6.10 while the highest is £11.99.
Prices for the best Mild Steel Flat Bar deals average at £8.68.
Last updated on September 14, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Mild Steel Flat Bar.