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EN8 Round Steel Bar / Rod

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Buy EN8 Bright Mild Steel Round Bar online from metals4U or phone our customer service team on 01937 534318 for a quick delivery.

EN8: unalloyed medium carbon Steel (BS 970 080m40) has high strength levels compared to normal bright Mild Steel, due to thermo mechanical rolling. EN8 is suitable for all round engineering purposes that may require a Steel of greater strength. EN8 or 080m40 can be tempered at a heat of between 550°C to 660°C (1022°F-1220°F), heating for about 1 hour for every inch of thickness, then cool in oil or water. Modern EN8 bright Mild Steel contains a lot less carbon then it use to, this mean 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) in order to prevent cracking. Anneal afterwards is recommended to prevent breaking.