📍 Byron House, 4 Willow Drive, Sherwood Park, Annesley, NG15 0DP
Mon–Fri 08:00–17:00 📞 01623 687 660 ✉ sales@parksidesteel.uk.com
Engineering Steel Bar

Our Products.
20+ Grades. Every Profile.

Bright and black round bar, hexagon, square and flat bar in 20+ engineering steel grades. Metric and imperial. Cut to any length from one piece. Stocked at Sherwood Park, Annesley — delivered UK nationwide.

► Full Stock Range Guide Request a Quote Grade Equivalents
Bundle of bright round bar with green colour-coded ends — engineering steel bar from Parkside Steel
Mixed stock in blue cantilever racking — bright bar, flat bar and square bar with colour-coded grade identification
Three towers of orange cantilever racking fully loaded with colour-coded engineering steel bar in all grades and sizes
Steel Bar Profiles

Choose by Profile.

All profiles available in most grades. Bright bar to BS EN 10278 tolerances. Black bar to BS EN 10060. Cut to any length, 1 piece minimum.

⬤
Bright Round Bar
3mm – 310mm diameter
Cold drawn to h9/h10/h11 tolerance. Smooth surface, precise diameter. Goes directly onto CNC lathes without preliminary turning.
View Bright Round Bar ► ●
Black Round Bar
16mm – 600mm diameter
Hot rolled with mill scale finish. Cost-effective for large-diameter billets, structural applications and heavy engineering.
View Black Round Bar ► ⬢
Hexagon Bar
5mm – 90mm A/F
Across-flats sizes match standard spanner and collet dimensions. Eliminates preliminary turning for nut, bolt and fitting production.
View Hexagon Bar ► ■
Square Bar
3mm – 150mm
Bright drawn square bar for keys, gibs, couplings and general machined components requiring a square profile.
View Square Bar ► ▬
Flat Bar
Wide range of W × T
Flat bar in a range of width and thickness combinations. Wear strips, slideways, keys, brackets and general flat stock.
View Flat Bar ►
Bright Equal Angle
16×16 to 50×50mm
S235JRC bright drawn equal angle in 15 standard sizes. Equal leg. Cut to any length from one piece.
View Bright Equal Angle ► ⚫
Cast Iron Bar
25mm – 400mm diameter
Continuous cast iron bar in grey iron EN-GJL-250 and ductile (SG) iron grades. Free-machining with excellent damping and wear resistance.
View Cast Iron Bar ► 📚
Full Stock Guide
All profiles & grades
Complete size range guide covering every grade, profile and size combination we stock — with downloadable PDF.
Download Stock Guide ►
View Sizes & Spec ►
Steel Grades

Choose by Grade.

All 20 engineering steel grades from stock. Click any grade for full data sheet, chemical composition, mechanical properties and heat treatment guidance.

EN8080M40 / C40EMedium carbon — general shafts, keys, machined parts EN19708M40 / 42CrMo4Cr-Mo alloy — high-tensile shafts and gears EN24T817M40T / 4340Ni-Cr-Mo Q+T — aerospace, defence, downhole EN1A230M07 / 11SMn30Free-cutting — automatic turning EN1A Pb230M07PbLeaded free-cutting — maximum cutting speed EN3B070M20 / C22EMild steel — weldable general bright bar EN8D080A42Medium carbon to analysis — bolts, studs EN8M212A42Free-cutting medium carbon — fasteners EN9070M55 / C55EHigh carbon — wear blades, springs EN16605M36 / 34CrMo4Cr-Mo alloy — between EN8 and EN19 EN36655M13 / 14NiCr14Case hardening — gears and cams 8620805M20 / SAE 8620Automotive case hardening standard EN40B722M24 / 31CrMo12Nitriding — hydraulic rods, precision shafts EN32M210M15 / C15ECase hardening — with mech test cert BMS080A15 / C15Bright mild steel — to analysis EN36C832M13Premium Ni-Cr-Mo case hardening S355S355J2 / 1.0577Structural — 355 N/mm² yield, weldable Cast IronEN-GJL-250 / Gr.250Bearing housings, slideways EN-GJS-400CEN-GJS-400-15Ductile iron — pressure-tight bodies EN-GJS-500CEN-GJS-500-7Ductile iron — gears, crankshafts EN-GJS-600CEN-GJS-600-3Ductile iron — high-strength, wear

Not Sure Which Grade?

Tell us the application, diameter and required strength and we’ll recommend the right grade. No minimum order — one piece cut to length.

📞 01623 687 660 Request a Quote ► Grade Equivalents ►