C70U chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C70U

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ISO C70U

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This page is mainly introduced the C70U chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C70U,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
  • Steel Garde:C70U
  • Type:Special Alloy
  • Country:ISO
  • Standard:ISO
  • Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material Standard Country
C70U ISO ISO
C70U UNE Spain
EN C70U EN Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 050~547 σb/MPa
Yield Strength 964 σ 0.2 ≥/MPa
Elongation 00 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 694~858 -
HRC 30 -

Physical Properties

Thermal expansion 88-13 e-6/K
Thermal conductivity 63-04 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8546-2781 째C
Density 8973-2525 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)
C70U Special Alloy 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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