T30402 Tool Die Steels

T30402 - Specification & Application

Cold-Work Tool Steel

Chemical composition(wt.%) of T30402 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 1.40 1.60
Si 0.10 0.60
Mn 0.20 0.60
P - 0.030
S - 0.030
Cr 11.00 13.00
Mo 0.70 1.20
V 0.50 1.10
W - -
Ni+Cu - 0.75

T30402 - Detail

Cold-Work Tool Steel

Mechanical properties of grade T30402

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)
833 (≥) 831 (≥) 33 24 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical properties of grade T30402

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
797 (≥) 938 (≥) 42 21 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 333
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
152 715 294

Equivalent Grade

We can customize the production of T30402 grade, contact us for the best solution.
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