L3 Tool Die Steels

L3 - Specification & Application

Low Alloy Tool Steel

Chemical composition(wt.%) of L3 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.95 1.10
Si 0.10 0.50
Mn 0.25 0.80
P - 0.030
S - 0.030
Cr 1.30 1.70
Mo - -
V 0.10 0.30
W - -
Ni+Cu - 0.75

L3 - Detail

Low Alloy Tool Steel

Mechanical properties of grade L3

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
859 (≥) 539 (≥) 44 31 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical properties of grade L3

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
631 (≥) 952 (≥) 32 23 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 123
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
687 568 397

Equivalent Products

We can customize the production of L3 grade, contact us for the best solution.
sales@specificsteel.com