ASTM D3

Grades | Tool Die Steels | D3

ASTM D3

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D3 Application:Cold-Work Tool Steel

Chemical composition(mass fraction)(wt.%) of the D3
Elements Min.（≥） Max.（≤） Similar Remarks
C 2.00 2.35
Si 0.10 0.60
Mn 0.20 0.60
P - 0.030
S - 0.030
Cr 11.00 13.50
Mo - -
V - 1.00
W - 1.00
Ni＋Cu - 0.75

Mechanical properties of grade D3

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
629 (≥) 454 (≥) 41 23 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical properties of grade D3

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm
596 (≥) 139 (≥) 33 22 32 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2		 - - -
999 661 481 - - -

D3 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