• High Peak Steels Ltd, Brookfield Ind Est, Peakdale Road, Glossop, Derbyshire, SK13 6LQ

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EN39B (835M15) Engineering steel

EN39B (835M15) grade steel is a 4.5% nickel-chromium-molybdenum case hardening steel which may be carburised and hardened in large sections to produce a hard wear resistance case, and developing a core strength of the order of 1310N/mm ┬▓ with good resistance to shock.

Steel stock range

High Peak Steels stock offer EN39B (835M15) in round bar.

Associated standards

UK Standard EN39B

Or call 01457 866911 for more details

EN39B (835M15) Black

ProductMin sizeMax size
codes-round232mm dia120mm dia

EN39B (835M15) Chemical Composition

 CSiMnSPCrNiMo
Min0.120.100.251.003.900.15
Max0.180.350.500.0400.0351.404.300.30

EN39B (835M15) Mechanicals

 Yield
N/mm2
0.2% proof
N/mm2
UTS (Rm)
N/mm2
Elong (A)
%
Red of Area (Z)
%
Hardness
HB
Impact Test (KV)
J
Annealed (min)
Annealed (max)277
Q&T capability test on 19mm sample (min)13108
Q&T capability test on 19mm sample (max)

EN39B (835M15) Typical applications

  • High duty gears
  • Heavy duty worms
  • Heavy roller bearings
  • Breech mechanisms
  • Valve rockers
  • Small arms components
  • Camshafts
  • Clutch plates