L3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of L3

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SAE L3

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This page is mainly introduced the L3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of L3,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
L3 ASTM USA

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   1.00
Si   0.50
Mn 0.25  0.50
Cr 1.10  1.70
Mo  
V 0.10  0.30
W  

Mechanical Properties

Tensile strength 041~723 σb/MPa
Yield Strength 280 σ 0.2 ≥/MPa
Elongation 02 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 492~955 -
HRC 30 -

Physical Properties

Thermal expansion 28-09 e-6/K
Thermal conductivity 43-07 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2353-7269 째C
Density 6297-6477 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)
L3 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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