C71U chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C71U

Location » Home » Grades > Special Alloy > C71U

UNE C71U

Profile

This page is mainly introduced the C71U chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C71U,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
C71U
  • Steel Garde:C71U
  • Type:Special Alloy
  • Country:Spain
  • Standard:UNE
  • Application:Spain structural alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 262~513 σb/MPa
Yield Strength 650 σ 0.2 ≥/MPa
Elongation 07 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 516~901 -
HRC 30 -

Physical Properties

Thermal expansion 77-84 e-6/K
Thermal conductivity 01-10 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8853-9394 째C
Density 1510-4126 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)
C71U 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

Hot keywords:C71U
Previous: C70U
Next: C80U