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 351~310 σb/MPa
Yield Strength 075 σ 0.2 ≥/MPa
Elongation 12 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 094~914 -
HRC 30 -

Physical Properties

Thermal expansion 65-24 e-6/K
Thermal conductivity 78-69 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5641-2546 째C
Density 2087-2854 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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