T30402 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T30402

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UNS T30402

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This page is mainly introduced the T30402 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T30402,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Cold-Work Tool Steel

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 1.40  1.60
Si 0.10  0.60
Mn 0.20  0.60
P   0.030
S   0.030
Cr 11.00  13.00
Mo 0.70  1.20
V 0.50  1.10
W  
Ni+Cu   0.75

Mechanical Properties

Tensile strength 256~276 σb/MPa
Yield Strength 643 σ 0.2 ≥/MPa
Elongation 81 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 721~027 -
HRC 30 -

Physical Properties

Thermal expansion 66-95 e-6/K
Thermal conductivity 64-63 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8944-8640 째C
Density 2331-5243 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)
T30402 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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