1.2709 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.2709

Location » Home » Grades > Special Alloy > 1.2709

DIN 1.2709

Profile

This page is mainly introduced the 1.2709 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.2709,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
1.2709
  • Steel Garde:1.2709
  • Type:Special Alloy
  • Country:Germany
  • Standard:DIN
  • Application:Cold working alloy tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 635~381 σb/MPa
Yield Strength 136 σ 0.2 ≥/MPa
Elongation 06 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 265~797 -
HRC 30 -

Physical Properties

Thermal expansion 50-69 e-6/K
Thermal conductivity 51-95 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0549-3004 째C
Density 8924-5233 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)
1.2709 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