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ASTM L6 Details

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L6 Application:Low Alloy Tool Steel

Category Type Grade Designations
Grades Tool Die Steels L6 USA - ASTM ,

Chemical composition(wt.%) of L6 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.65 0.75
Si 0.10 0.50
Mn 0.25 0.80
P - 0.030
S - 0.030
Cr 0.60 1.20
Mo - 0.50
V - -
W - -
Ni+Cu - 0.75
Ni 1.25 2.00
Low Alloy Tool Steel

Mechanical properties of grade L6

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)
218 (≥) 226 (≥) 43 44 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical properties of grade L6

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
268 (≥) 893 (≥) 41 13 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 231
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
412 988 475

L6 - 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
EVl6 UNS USA
Steel for exhaust valves
L6 ASTM USA
Low Alloy Tool Steel
L6 SAE USA
Low Alloy Tool Steel
HS 25 AMS USA
Cobalt Alloy, Corrosion and Heat-Resistant, Welding Wire, 52Co - 20Cr - 10Ni - 15W
Alloy L605 AMS USA
Cobalt Alloy, Corrosion and Heat-Resistant, Welding Wire, 52Co - 20Cr - 10Ni - 15W
R30605 UNS USA
Co-Cr-Ni-W alloy

Relevant products

L6 Steel Stock

Steel grade Dimension Shape Unit Quantity Delivery state Query
1.2714 Hot-Work Mould Steel Flat Bar Stock(2019-09-03) Select 0 Select Enquiry
1.2714 Stock list 2020-06-15 Select 0 Select Enquiry
1.2714 QT Bar Stock List 2020-06-15 Select 0 Select Enquiry

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