T41904 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T41904

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UNS T41904

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This page is mainly introduced the T41904 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T41904,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Shock-Resisting Tool Steel

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.50  0.65
Si 1.75  2.25
Mn 0.60  0.95
P   0.030
S   0.030
Cr 0.10  0.50
Mo  
V 0.15  0.35
W  
Ni+Cu   0.75

Mechanical Properties

Tensile strength 029~054 σb/MPa
Yield Strength 747 σ 0.2 ≥/MPa
Elongation 23 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 724~919 -
HRC 30 -

Physical Properties

Thermal expansion 26-48 e-6/K
Thermal conductivity 33-79 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5507-9094 째C
Density 0611-9811 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)
T41904 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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