1.3257 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.3257

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DIN 1.3257

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This page is mainly introduced the 1.3257 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.3257,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
1.3257
  • Steel Garde:1.3257
  • Type:Special Alloy
  • Country:Germany
  • Standard:DIN
  • Application:High-speed tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 691~145 σb/MPa
Yield Strength 756 σ 0.2 ≥/MPa
Elongation 77 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 168~209 -
HRC 30 -

Physical Properties

Thermal expansion 68-75 e-6/K
Thermal conductivity 81-31 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8220-8092 째C
Density 7296-6141 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)
1.3257 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