ST25E chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ST25E

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ST25E

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This page is mainly introduced the ST25E chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ST25E,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ST25E
Hardness quartile HRA:91
Bending strength frequency/MPa:1750
  • Steel Garde:ST25E
  • Type:Special Alloy
  • Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material Standard Country
ST25E

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 409~960 σb/MPa
Yield Strength 528 σ 0.2 ≥/MPa
Elongation 90 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 215~625 -
HRC 30 -

Physical Properties

Thermal expansion 26-05 e-6/K
Thermal conductivity 75-70 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3572-6350 째C
Density 8862-2506 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)
ST25E 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