Elmdon Metals is the largest supplier of commercial BS4T45-BS4T100 Seamless Tube to the world of motor sports in all its many forms: from the enthusiast builder/racer to full works teams.

BS4T45-BS4T100 Seamless Tube is a high strength seamless carbon manganese based steel tube used within many forms of industry.

For many years BS4T45-BS4T100 has played a part in the manufacture of roll cages, space frames and high-impact protection points.

BS4T45-BS4T100 Seamless Tube has even found a home in the mobility industries because of its high strength and usability.

The following are the mechanical properties of BS4T45-BS4T100 Seamless Tube:

0.2% proof stress, minimum 620N/mm² = 40 ton minimum

Ultimate Tensile Strength: 700-900N/mm² = 45/58 ton f/in²

The usual methods of joining the materials are Brazing, TIG Welding. MIG is not recommended but if used, a stress-relieving process may be needed.

As BS4T45-BS4T100 tube is a carbon-based steel, the recommended mating materials are Enl4/S92 round bar, and S515-S514 (softened condition) steel sheet, both available from Elmdon Metals. Please click this link to see a full data sheet on 2S515-S514 strip supplied in softened condition.

Please click this link to see a full stock list of BS4T45-BS4T100 Seamless Tube.