W109 Special chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of W109 Special

SAE W109 Special

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This page is mainly introduced the W109 Special chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of W109 Special,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
W109 Commerial SAE USA
W109 Standard SAE USA
W109 Extra SAE USA

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.85  0.95
Si 0.10  0.40
Mn 0.10  0.40
Cr  
V  

Mechanical Properties

Tensile strength 110~423 σb/MPa
Yield Strength 251 σ 0.2 ≥/MPa
Elongation 52 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 238~352 -
HRC 30 -

Physical Properties

Thermal expansion 36-14 e-6/K
Thermal conductivity 90-63 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2496-6196 째C
Density 9557-2390 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)
W109 Special 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