EN8 Bright Round Bars are unalloyed medium carbon Steel (BS 970 080m40) and have high strength levels compared to en8 Carbon Steel, due to thermo mechanical rolling. EN8 Bright Bars are suitable for all-round engineering purposes that may require a Steel of greater strength.

MACHINABILITY 

Welding:
Modern EN8 bright Mild Steel contains a lot less carbon than it used to, this means that it is possible to weld pieces up to 18mm thick without preheating using MIG wire (SG2) or a 7018 electrode.
Over 18mm would require a pre-heat of 100°C (212°F) to prevent cracking.
Anneal afterward is recommended to prevent breaking.

SUITABILITY

EN8 Bright Round Bars engineering steel is an unalloyed carbon steel with reasonable tensile strength. It can be flame or induction-hardened and is a readily machinable material. When heat treated, EN8 Bright Bars offers moderate wear resistance.

Equivalent to

• BS970: 1955 EN8
  BS970/PD970: 080M40
  1970 onwards
  European C40, C45, Ck40,Ck45, Cm40, Cm45
  Werkstoff No. 1.0511, 1.1186, 1.1189
  US SAE (AISI) 1039, 1040, 1042, 1043, 1045

TYPICAL APPLICATIONS

• Machined Components
• Dairy Equipment
• Pump
• Shafts
• Valves
• Hinges
• Pins
• Surgical and Medical Parts and Other End Usages.

Dimensions:

OD 3mm - 460mm

10mm to 80mm x 6000mm

Finish: Hot Rolled + Black Surface + UT C/c

Disclaimer
The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other purposes. There is no representation that the recipient of this literature will receive updated editions as they become available.