China C45 Carbon steel

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China C45 Carbon steel is defined as a medium carbon steel offering tensile strengths in the modest range. The material can be maneuvered with hardening by means of quenching and tempering on focused and restricted areas.

China C45 Carbon steel (EN 1.0503) is a high strength medium carbon quality steel. Due to poor hardenability, C45 material is generally used in a normalized condition, and when the mechanical properties are required to be high, the quenching and tempering treatment is adopted. The cold deformation plasticity is medium, and the machinability of annealing and normalizing is better than that of quenching and tempering.

  • EN 10277-2: 2008 Bright steel products. Technical delivery conditions. Steels for general engineering purposes
  • EN 10083-2: 2006 Steels for quenching and tempering. Technical delivery conditions for non alloy steels
  • EN 10250-2: 2000 Open steel die forgings for general engineering purposes. Non-alloy quality and special steels
  • Manufacturing material of shafts and Axles
  • Manufacturing material of Knives and paint scrapers
  • Manufacturing material of Studs and Spindles
  • Parts used in Automotive industry
  • Parts in different engineering applications
  • Used in the manufacturing of different gears
C Si Mn Ni P S Cr Cu
0.42~0.50   0.4 0.5 – 0.8 1.8 – 2.2 ≤0.045 ≤0.045 ≤0.040 0.40 max
SA Germany Japan France England China Sweden  

Inter

 

ASTM/AISI/

UNS/SA

DIN,Wnr JIS AFNOR BS GB ONORM ISO
1045 G10450 C45/Ck45/1.1191/C45 S45C C45E  Ck45 C40E  080M466 45# SS C45
Surface Finish Size Tolerance Length
Hot rolled bar (6-130mm) Multiple Length/Fixed Length
Hot Forged round bar (130-1000mm)
Flat bar/Blcoks (:120-800mm x120-1500mm)
  • Tensile strength(MPa):min 600
  • Yield strength(MPa): min 355
  • Elongation (%):min 23
  • Reduction of area(%):min 55
  • Normalizing:840℃-900℃

     

  • Soft Annealing:680 – 710°C

     

  • Stress Relieving:550-650°C

     

  • Hardening:830 – 860°C

     

  • Tempering:540°C – 680°C

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