EN353

Overview

EN353 is a nickel-chromium-molybdenum case-hardening steel designed for components requiring a hard wear-resistant surface and tough core.

Chemical Compositions

C

Si

Mn

Cr

Ni

Mo

0.10 – 0.20

< 0.35

0.50 – 1.00

0.75 – 1.25

1.00 – 1.50

0.08 – 0.15

Heat Treatment

  • Carburising
  • Hardening
  • Oil quenching
  • Low-temperature tempering
  • Case-depth controlled according to application
EN353

Mechanical Properties

  • Case hardness: typically 58–63 HRC
  • Tough core
  • High wear resistance
  • Good fatigue strength
  • Good impact resistance

Equivalent Grades

  • EN: EN353
  • Approx. DIN: 20NiCrMo2-type
  • Approx. AISI: 8620-type

Applications

  • Gears
  • Pinions
  • Shafts
  • Transmission components
  • Automotive components
  • High-load machine parts
  • Wear-resistant components

Available Forms

  • Round bars
  • Flats
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