C81U chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C81U

Location » Home » Grades > Special Alloy > C81U

UNE C81U

Profile

This page is mainly introduced the C81U chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C81U,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
C81U
  • Steel Garde:C81U
  • Type:Special Alloy
  • Country:Spain
  • Standard:UNE
  • Application:Spain structural alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 011~198 σb/MPa
Yield Strength 077 σ 0.2 ≥/MPa
Elongation 36 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 493~677 -
HRC 30 -

Physical Properties

Thermal expansion 96-38 e-6/K
Thermal conductivity 53-40 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5098-6665 째C
Density 5359-1663 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)
C81U 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:C81U
Previous: C80U
Next: C90U