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SAE D6 Details

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D6 Application:Cold-Work Tool Steel

Category Type Grade Designations
Grades Tool Die Steels D6 USA - SAE ,

Chemical composition(wt.%) of D6 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 2.00 2.20
Si 0.70 0.90
Mn 0.20 0.40
Cr 11.50 12.50
Mo - -
V - -
W 0.60 0.90
Co 2.50 3.50
Cold-Work Tool Steel

Mechanical properties of grade D6

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)
749 (≥) 336 (≥) 22 42 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical properties of grade D6

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
298 (≥) 357 (≥) 32 21 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 214
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
424 339 228

D6 - 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
D6AC ASTM USA
Steel, Bars, Forgings, and Tubing 1.05Cr - 0.55Ni - 1.0Mo - 0.11V (0.45 - 0.50C) Vacuum Consumable Electrode Remelted
D6AC ASTM USA
Steel Bars, Forgings, and Tubing 1.05Cr - 0.55Ni - 1.0Mo - 0.12V (0.43 - 0.49C)
D6AC ASTM USA
Steel, Sheet, Strip, and Plate 1.05Cr - 0.55Ni - 1.0Mo - 0.12V (0.45 - 0.50C) Consumable Electrode Vacuum Melted
D6AC ASTM USA
Steel Sheet, Strip, and Plate 1.05Cr - 0.55Ni - 1.0Mo - 0.12V (0.42 - 0.48C) (D6AC) Consumable Electrode Vacuum Melted, Annealed
D6AC ASTM USA
Steel Bars, Plates, Sheets, Billets, and Reforging Stock Type D6AC
D6AC ASTM USA
Steel, Welding Wire 1.05Cr - 0.55Ni - 1.0Mo - 0.07V (0.34 - 0.40C) Vacuum Melted, Environment-Controlled Packaging
D6AC UNS USA
Steel, Bars, Forgings, and Tubing 1.05Cr - 0.55Ni - 1.0Mo - 0.11V (0.45 - 0.50C) Vacuum Consumable Electrode Remelted
D6AC UNS USA
Steel Bars, Forgings, and Tubing 1.05Cr - 0.55Ni - 1.0Mo - 0.12V (0.43 - 0.49C)
D6AC UNS USA
Steel, Sheet, Strip, and Plate 1.05Cr - 0.55Ni - 1.0Mo - 0.12V (0.45 - 0.50C) Consumable Electrode Vacuum Melted
D6AC UNS USA
Steel Sheet, Strip, and Plate 1.05Cr - 0.55Ni - 1.0Mo - 0.12V (0.42 - 0.48C) (D6AC) Consumable Electrode Vacuum Melted, Annealed
D6AC UNS USA
Steel Bars, Plates, Sheets, Billets, and Reforging Stock Type D6AC
D6AC UNS USA
Steel, Welding Wire 1.05Cr - 0.55Ni - 1.0Mo - 0.07V (0.34 - 0.40C) Vacuum Melted, Environment-Controlled Packaging
D6 SAE USA
Cold-Work Tool Steel
40CAD6-10 Air 9160/C AFNOR France
wrought steels used in aeronautical constructions
45SCD6, 46SiCrMo6, 1.8062 AFNOR France
wrought steels used in aeronautical constructions

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