635M15 / EN351

Low Alloy Nickel-Chromium Case Hardening Steel

Surcharge

£612.77 per tonne

Surcharge Price History for 635M15 / EN351

DEC 22 MAR 23 JUN 23 SEP 23 TODAY
£662.38 £757.32 £728.93 £605.60 £612.77

The surcharge data provided is based on the information available to us and represents an average of the surcharge mechanisms taken from various global steel producers. It is intended to only provide an indication of market movements and does not necessarily reflect the specific surcharges applied to individual material batches.

Product Method

Rolled or Forged

Finishes

Black Bar or Bright Bar

Description

635M15 grade steel is a low alloy case hardening steel that may be used as an alternative to 655M17.

The steel can be carburised and hardened to produce a hard wear resistant case with a core strength of 770N/mm.

Size Range

45mm - 280mm Dia

Typical applications of 635M15 grade steel

  • Gears
  • Shafts
  • Pinions
  • Tappets
  • Valve rockers
  • Collets
  • Track pins
  • Steering balls and worms
  • Transmission components
  • Breech mechanisms 
  • Small arms parts

635M15 steel is still often referred to as EN351 steel - its equivalent grade under the previous BS 970: 1955 standard.

Similar Grades

SAE/AISI
8620
£584.21

Equivalent Grades

BS 970: 1955
EN351
£123

Grades for Potential Substitution (Greater)

European
18CrNiMo7-6
£977.40
BS 970
655M13 / EN36
£1178.58

Services

Stock Availability

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