L2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of L2

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ASTM L2

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This page is mainly introduced the L2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of L2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Low Alloy Tool Steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
L2 SAE USA

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.45  1.00
Si 0.10  0.50
Mn 0.10  0.90
P   0.030
S   0.030
Cr 0.70  1.20
Mo   0.25
V 0.10  0.30
W  
Ni+Cu   0.75

Mechanical Properties

Tensile strength 513~118 σb/MPa
Yield Strength 568 σ 0.2 ≥/MPa
Elongation 45 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 119~752 -
HRC 30 -

Physical Properties

Thermal expansion 59-29 e-6/K
Thermal conductivity 33-28 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6664-8230 째C
Density 1040-8833 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)
L2 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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