C78D chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C78D

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EN C78D

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This page is mainly introduced the C78D chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C78D,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Non-alloy steel wire rod for conversion to wire - Part 2: Specific requirements for general-purpose wire rod
  • Steel Garde:C78D
  • Type:Structural Steel
  • Country:European
  • Standard:EN
  • Standard Number:
    ITEM Standard Number Descriptions
    1 EN 10016-2 (1994) Non-alloy steel rod for drawing and/or cold rolling - Part 2: Specific requirements for general purposes rod
    2 EN ISO 16120-2 (2011) Non-alloy steel wire rod for conversion to wire - Part 2: Specific requirements for general-purpose wire rod
  • Application:Non-alloy steel wire rod for conversion to wire - Part 2: Specific requirements for general-purpose wire rod

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.75  0.80
Si 0.10  0.30
Mn 0.50  0.80
P   0.035
S   0.035
Cr   0.15
Ni   0.20
Cu   0.25

Mechanical Properties

Tensile strength 045~431 σb/MPa
Yield Strength 379 σ 0.2 ≥/MPa
Elongation 16 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 215~059 -
HRC 30 -

Physical Properties

Thermal expansion 86-39 e-6/K
Thermal conductivity 00-04 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1639-9609 째C
Density 2796-1013 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)
C78D 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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