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

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BLACK 070M55

Description

A medium carbon steel to give good tensile strengths. This material can be through hardened by quenching and tempering on certain sizes but it is mainly supplied from stock in the as rolled, untreated or normalised condition. It posseses good wear resistance but is difficult to weld.

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Products & Sizes

ProductMin sizeMax size
codes-round232mm dia280mm dia
codes-flat240mm x 4mm100mm x 20mm
codes-square216mm50mm
codes-hex2

Associated Standards

StandardCode
UK StandardEN9
European GradesC55, C60
Werkstoff
1.0535
SAE/AISI1050

Chemical Composition

 CSiMnSPCrNiMo
Min0.50.10.5
Max0.60.40.90.050.050.30.40.15

 

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)35570012201
Normalised (max)255
Drawn (min)6007507
Drawn (max)
Quenched & Tempered to condition R (min)41570014201
Quenched & Tempered to condition R (max)850255

Typical Applications

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