A11 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A11

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SAE A11

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This page is mainly introduced the A11 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A11,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Cold-Work Tool Steel (A-11)

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 2.40  2.50
Si 0.75  1.10
Mn 0.35  0.60
Cr 4.75  5.50
Mo 1.10  1.50
V 9.25  10.25
W 0.50 
S 0.05  0.09

Mechanical Properties

Tensile strength 708~444 σb/MPa
Yield Strength 447 σ 0.2 ≥/MPa
Elongation 38 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 178~775 -
HRC 30 -

Physical Properties

Thermal expansion 31-89 e-6/K
Thermal conductivity 39-42 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6437-2370 째C
Density 2602-1595 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)
A11 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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