1.7725 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.7725

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DIN 1.7725

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This page is mainly introduced the 1.7725 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.7725,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
1.7725
  • Steel Garde:1.7725
  • Type:Special Alloy
  • Country:Germany
  • Standard:DIN
  • Application:

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 913~648 σb/MPa
Yield Strength 605 σ 0.2 ≥/MPa
Elongation 32 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 777~831 -
HRC 30 -

Physical Properties

Thermal expansion 48-74 e-6/K
Thermal conductivity 57-13 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1932-2592 째C
Density 6304-4781 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)
1.7725 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