T11304 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T11304

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UNS T11304

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This page is mainly introduced the T11304 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T11304,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
High-Speed Tool Steel

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 1.25  1.40
Si 0.20  0.45
Mn 0.15  0.40
P   0.030
S   0.030
Cr 3.75  4.75
Mo 4.25  5.50
V 3.75  4.50
W 5.25  6.50
Co  

Mechanical Properties

Tensile strength 119~867 σb/MPa
Yield Strength 551 σ 0.2 ≥/MPa
Elongation 11 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 123~444 -
HRC 30 -

Physical Properties

Thermal expansion 86-70 e-6/K
Thermal conductivity 99-47 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1998-2646 째C
Density 6308-3271 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)
T11304 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

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