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SAE L3 Details

Low Alloy Tool Steel

SAE L3 Standard Download

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L3 Application:Low Alloy Tool Steel
Category Type Grade Designations
Grades Tool Steels & Die Steels L3 USA - SAE ,
Chemical composition(mass fraction)(wt.%)
Elements Min.(≥) Max.(≤)
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 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)
858 (≥) 941 (≥) 43 34 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 432
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
793 (≥) 719 (≥) 14 34 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 132
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
112 952 699
L3 Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
EVl3 UNS USA
Steel for exhaust valves
S63013 AISI USA
Steel for exhaust valves
X7CrNiAl32-21 ISO International
Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels
L3 ASTM USA
Low Alloy Tool Steel
L3 SAE USA
Low Alloy Tool Steel

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