120W4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 120W4

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DIN 120W4

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This page is mainly introduced the 120W4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 120W4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Alloyed W steel

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 1.15  1.25
Si 0.15  0.30
Mn 0.20  0.35
P   0.035
S   0.035
Cr 0.15  0.25
Mo  
V  
W 0.90  1.10

Mechanical Properties

Tensile strength 858~246 σb/MPa
Yield Strength 369 σ 0.2 ≥/MPa
Elongation 69 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 849~502 -
HRC 30 -

Physical Properties

Thermal expansion 59-50 e-6/K
Thermal conductivity 54-93 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2870-2592 째C
Density 7908-3402 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)
120W4 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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