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SAE L1 Details

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L1 Application:Low Alloy Tool Steel

Category Type Grade Designations
Grades Tool Die Steels L1 USA - SAE ,

Chemical composition(wt.%) of L1 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.90 1.10
Si 0.10 0.40
Mn 0.10 0.40
Cr 1.20 1.60
Mo - -
V - -
W - -
Low Alloy Tool Steel

Mechanical properties of grade L1

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)
185 (≥) 435 (≥) 42 41 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical properties of grade L1

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
169 (≥) 415 (≥) 14 23 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 431
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
184 595 666

L1 - 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
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Steel for exhaust valves
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X8CrNiMoAl15-7-2 ISO International
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