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 250~943 σb/MPa
Yield Strength 933 σ 0.2 ≥/MPa
Elongation 19 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 442~894 -
HRC 30 -

Physical Properties

Thermal expansion 12-73 e-6/K
Thermal conductivity 27-49 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5438-6855 째C
Density 2423-2710 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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