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.(≤)
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 199~744 σb/MPa
Yield Strength 751 σ 0.2 ≥/MPa
Elongation 68 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 876~443 -
HRC 30 -

Physical Properties

Thermal expansion 93-15 e-6/K
Thermal conductivity 78-17 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1399-6671 째C
Density 6123-1316 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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