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SAE L5 Details

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L5 Application:Low Alloy Tool Steel

Category Type Grade Designations
Grades Tool Die Steels L5 USA - SAE ,

Chemical composition(wt.%) of L5 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.90 1.10
Si 0.10 0.40
Mn 0.90 1.10
Cr 0.90 1.10
Mo 0.25 0.30
V - -
W - -
Low Alloy Tool Steel

Mechanical properties of grade L5

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)
555 (≥) 147 (≥) 41 12 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical properties of grade L5

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
523 (≥) 646 (≥) 32 23 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 323
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
861 557 469

L5 - Form of Supply

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
EVl5 UNS USA
Steel for exhaust valves
S63018 UNS USA
Steel for exhaust valves
10X14AΓl5 GOST Russia
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
L5 SAE USA
Low Alloy Tool Steel

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