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EN8 Round Bars, EN8 Steel Plates, EN8 Flat Bars Suppliers


Suppliers of EN8 Round Bars, EN8 Plates, Flat Bars – Call Us Now!

“Yes, It’s in Stock and Ready to Deliver”

EN8 Steel Bars – 080M40 – An unalloyed medium carbon steel, with good tensile strength 

Metline Industries is one of the largest supplier and manufacturer of EN8 round bars, EN8 steel plates, EN8 flat bars and EN8 bright bars in all standard sizes and finishes. EN8 steel bars are available as normalised or in as rolled condition. We supply and manufacture EN8 materials in various forms such as round drawn/turned, round hot rolled, hexagon, square, flats and plate. All EN8 steel bar supplies by Metline Industries are certified to highest level of industry standards, and are accompanied by Mill Test Certificates, as per EN 10204 3.1. We can supply cut to size EN8 carbon steel bars, with both small and wide diameters. Our stock of EN8 carbon steel round bars includes outside dimater from 6mm up to 800mm, with Ultrasonic Test Reports, Chemical Test Reports, as well as Mechanical Test Reports.

Delivery Condition for EN8 Bars – EAF+LF+VD, Hot Rolled or Forged or Cold Drawn, Black surface or Machined surface (Peeled, Turned, Grinded), Untreated or Normalized, UT 100% Passed

Other Designations or Equivalents of EN8 Steel – Werkstoff No. 1.0511BS 970 1991 080M40AISI/SAE 1040

  • Order Large or Small Quantity of EN8 Steel Bars, EN8 Steel Rods
  • Cut to Size EN8 Flat Bars, EN8 Steel Plates Available
  • No Minimum Order Quantity for EN8 Steel Bars

Product Description

Manufacturers, Suppliers of EN8 Round Bars, EN8 Flat Steel Bars, EN8 Steel Plates and EN8 Steel Rods and Forgings

EN8 Steel – SAE-AISI 1040 is an alloy of iron, further classified as a carbon steel. 1040 is the SAE-AISI designation for this material. 1.0511 is the EN numeric designation. And G10400 is the UNS number. EN8 is unalloyed medium carbon steel (BS 970 080m40) with high strength levels compared to normal mild steel. EN8 steel is suitable for all round engineering applications, which require higher strength such as manufacturing shafts, studs, bolts, connecting rods, screws, rollers. Welding, forming and machining of EN8 round bars can be easily done.

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What is the Chemical Composition of EN8 Round/Flat Steel Bars?

Typical Chemical Analysis
Chemical C Mn Si P S
% 0.37 – 0.44 0.6 – 0.9 0.05 – 0.35 .06 max .05 max


What are the Mechanical Properties of EN8 Round/Flat Bars?

UTS N/mm2 Yield N/mm2 Hardness HB LRS (mm)
550 280 152/207 150
510 245 146/197 250

*Minimums unless stated. From Normalised test piece

What is the Process of Heat Treatment for 1040 / EN8 / C40 Round Bars and Plates?

Annealing Quenching Tempering Normalizing Q & T
  • Normalizing:  at 820 ~ 870°C
  • Annealing: Heat to 810 °C, then cool in air slowly
  • Heat treatment and quenching :  820 ~ 870°C , water cooling
  • Heat treatment / tempering : 550 ~ 650  °C
  • Delivery Condition: normalized; annealing; tempering

Other Designations or Equivalents for EN8 Carbon Steel

Steel Number Steel Name Grade AISI/SAE BS 970 1983
1.0511 C40 En8 1040 080M40

What are the Various Product Forms in which 1040 / C140 / EN8 Carbon Steel is Produced and Sold?

  • 1040 / EN8 / C40 Carbon Steel Round Bars
  • 1040 / EN8 / C40 Carbon Steel Square Shape Steel or Flat Bars
  • 1040 / EN8 / C40 Carbon Steel Bar Steel Plate/Sheets
  • 1040 / EN8 / C40 Forging’s
  • 1040 / EN8 / C40 Hollow Bars and Pipes

Additional Information

Main Carbon Steel Grades

EN-8, EN-9, C-40, C-45, C-55, SAE 1040, SAE 1045 and SAE 1050


50 kg's to Production Qty's

Delivery time

Promptly (Stock) or 10-40 days (Production)




Mill TC EN 10204 3.1, Third Party Inspection, NDT/DT Test Reports

Latest Prices

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