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

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SAE W4

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

Cross Reference Table(Equivalent Materials):

Material Standard Country
120W4 DIN Germany
100MnCrW4 DIN Germany

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.80  1.20
Si 0.10  0.40
Mn 0.10  0.40
Cr 0.15  0.30
V  

Mechanical Properties

Tensile strength 455~720 σb/MPa
Yield Strength 802 σ 0.2 ≥/MPa
Elongation 88 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 109~540 -
HRC 30 -

Physical Properties

Thermal expansion 99-69 e-6/K
Thermal conductivity 92-62 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6071-9538 째C
Density 6976-5966 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)
W4 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