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655M13 - 3.4% Nickel-Chromium Case Hardening Steel

Surcharge

Both Scrap and most alloys saw a small increase going into April, meaning surcharges for the majority of grades increased slightly.

Nickel has been rising steadily (albeit not significantly) in recent weeks and therefore we would expect to see this filter through to the surcharges in the coming weeks.

Surcharge information as listed via Liberty Speciality Steels where possible, other based on mean chemical analysis for the given grade.

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£573.20 per tonne

Surcharge Price History for 655M13

APR 18 JUL 18 OCT 18 JAN 19 TODAY
£549.38 £659.53 £577.24 £545.48 £573.20

Description

655M13 grade steel is a nickel-chromium alloy case-hardening steel that is specified for heavy duty highly-stressed applications.

When carburised and hardened core strengths of 850 - 1230 N/mm² are attainable.

The presence of chromium increases hardenability whilst the nickel content increases toughness and resistance to stock.

Typical applications of 655M13 grade steel

  • High duty gears for aircraft
  • Heavy vehicle and automobile transmission components
  • Steering worms
  • Track rod pins
  • Timing wheels
  • Breech mechanisms
  • Small arms parts

655M13 steel is still often referred to as EN36 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

Similar Grades

Grades for Potential Substitution (Greater)