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Surcharge Information

Due to the UK’s mostly commonly recognised surcharge mechanism no longer being openly published to the UK market we are unable to provide specific surcharge information on our website at this stage.

We are currently working with our suppliers to establish alternative mechanisms in order to provide a comprehensive and transparent view of global surcharge variations.

Look out for our improved surcharge pages appearing in the coming weeks.

Description

B7 grade steel is a low alloy chromium-molybdenum steel suitable for use in medium - high temperature service.

It is typically used for bolts and possesses good strength in quench and tempered condition.

By varying of the tempering temperature two strength levels can be achieved depending on strengths required in service (B7 & B7M).

Size Range

32mm - 860mm Dia

Typical applications of B7 grade steel

  • Studbolts for pressure vessels
  • Valves
  • Flanges
  • Fittings

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PRODUCTION METHOD

Rolled or Forged

FINISHES

Black Bar or Bright Bar

Grades for Potential Substitution (Greater)