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 648~214 σb/MPa
Yield Strength 960 σ 0.2 ≥/MPa
Elongation 51 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 952~585 -
HRC 30 -

Physical Properties

Thermal expansion 49-46 e-6/K
Thermal conductivity 38-76 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7451-9588 째C
Density 1915-8249 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