C75S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C75S

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EN C75S

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This page is mainly introduced the C75S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C75S,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 4: Spring steels and other applications
  • Steel Garde:C75S
  • Type:Structural Steel
  • Standard:EN
  • Standard Number:
    ITEM Standard Number Descriptions
    1 EN 10132-4 (2000) Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 4: Spring steels and other applications
  • Application:Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 4: Spring steels and other applications

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤)
C 0.70  0.80
Si 0.15  0.35
Mn 0.60  0.90
P   0.025
S   0.025
Cr   0.40
Ni   0.40
Mo  
Cu   0.10

Mechanical Properties

Tensile strength 950~214 σb/MPa
Yield Strength 915 σ 0.2 ≥/MPa
Elongation 43 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 656~777 -
HRC 30 -

Physical Properties

Thermal expansion 14-68 e-6/K
Thermal conductivity 82-67 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5189-4138 째C
Density 6191-8874 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
C75S Structural Steel Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download

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