H25 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H25

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SAE H25

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This page is mainly introduced the H25 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H25,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Hot-Work Tool Steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
H25 ASTM USA

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.25
Si 0.20  0.40
Mn 0.20  0.40
Cr   4.00
Mo  
V  
W   15.00

Mechanical Properties

Tensile strength 661~262 σb/MPa
Yield Strength 972 σ 0.2 ≥/MPa
Elongation 77 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 681~786 -
HRC 30 -

Physical Properties

Thermal expansion 88-32 e-6/K
Thermal conductivity 13-28 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6788-8539 째C
Density 8688-4733 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)
H25 Tool Die Steels 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