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

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BLACK 080M40

Description

A medium carbon steel to give moderate tensile strengths. This material can be through hardened by quenching and tempering on certain sizes but is mainly supplied from stock in the as rolled, untreated or normalised condition. It machines like mild steel but weldability is reduced.

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Products & Sizes

ProductMin sizeMax size
codes-round225mm dia800mm dia
codes-flat2
codes-square275mm200mm Billet SQ
codes-hex2

Associated Standards

StandardCode
UK StandardEN8
European GradesC40
Werkstoff
1.0511
SAE/AISI1040

Chemical Composition

 CSiMnSPCrNiMo
Min0.360.10.6
Max0.440.410.050.050.30.40.15

 

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
Normalised (min)2805501615216
Normalised (max)207
Drawn (min)5106508
Drawn (max)
Quenched & Tempered to condition Q (min)3856251617928
Quenched & Tempered to condition Q (max)229

Typical Applications

  • Automotive parts
  • Sprockets
  • Cams
  • Gears
  • Cylinders
UA-23101739-40