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 646~054 σb/MPa
Yield Strength 458 σ 0.2 ≥/MPa
Elongation 35 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 547~673 -
HRC 30 -

Physical Properties

Thermal expansion 16-56 e-6/K
Thermal conductivity 75-91 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2566-0374 째C
Density 8907-8010 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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