635M15 / EN351

Low Alloy Nickel-Chromium Case Hardening Steel

Surcharge

£947.91 per tonne

Surcharge Price History for 635M15 / EN351

MAY 21 AUG 21 NOV 21 FEB 22 TODAY
£502.28 £595.80 £580.09 £593.79 £947.91

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
£874.2

Equivalent Grades

BS 970: 1955
EN351
£123

Grades for Potential Substitution (Greater)

European
18CrNiMo7-6
£1403.58
BS 970
655M13 / EN36
£1731.19

Services

Stock Availability

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