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ASTM H43 Details

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H43 Application:Hot-Work Tool Steel

Category Type Grade Designations
Grades Tool Die Steels H43 USA - ASTM ,

Chemical composition(wt.%) of H43 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.50 0.65
Si 0.20 0.45
Mn 0.15 0.40
P - 0.030
S - 0.030
Cr 3.75 4.50
Mo 7.75 8.50
V 1.80 2.20
W - -
Ni+Cu - 0.75
Hot-Work Tool Steel

Mechanical properties of grade H43

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)
728 (≥) 241 (≥) 31 43 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical properties of grade H43

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
817 (≥) 281 (≥) 13 21 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 314
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
747 985 178

H43 - 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
GH4302 GB China
Nickel-base superalloy
H43 ASTM USA
Hot-Work Tool Steel
H43 SAE USA
Hot-Work Tool Steel

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