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835M30/EN30B - 4.5% Nickel-Chromium-Molybdenum Through Hardening Steel

Surcharge

The surcharge information provided is a guide to market scrap and alloy surcharges and is an averaged value taken from various suppliers’ surcharge mechanisms and isn’t therefore necessarily the surcharge applied to all material supplied. Please contact us if you want any further information.

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£694.01 per tonne

Surcharge Price History for 835M30/EN30B

OCT 19 JAN 20 APR 20 JUL 20 TODAY
£894.03 £655.06 £620.09 £645.40 £694.01

Description

835M30 grade steel is a 4.5% Nickel-Chromium-Molybdenum through hardening steel which has the ability to harden in fairly large sections, giving strengths of over 1550N/mm².

Due to its high hardenability, these strengths are achievable by air from the hardening temperature.

This steel is used for applications requiring high tensile strengths for which more drastic quenches would produce distortion or cracking, especially in parts of intricate design.

Size Range

30mm - 400mm Dia

Typical applications of 835M30 grade steel

  • High duty gears
  • Pinions
  • Aero engine connection rods
  • Differential shafts and other transmission components
  • Airframe forgings
  • Heavy roller bearings
  • Breech mechanisms
  • Small arms components

835M30 steel is still often referred to as EN30B steel - its equivalent grade under the previous BS 970: 1955 standard.

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PRODUCTION METHOD

Rolled or Forged

FINISHES

Black Bar or Bright Bar

Equivalent Grades

Grades for Potential Substitution (Greater)