1.2378 Tool Die Steels

1.2378 - Specification & Application

High alloyed CrVMo steel

Chemical composition(wt.%) of 1.2378 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 2.15 2.30
Si 0.15 0.30
Mn 0.25 0.40
P - 0.035
S - 0.035
Cr 12.00 13.00
Mo 0.80 1.00
V 2.00 2.30

1.2378 - Detail

High alloyed CrVMo steel

Mechanical properties of grade 1.2378

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)
264 (≥) 549 (≥) 33 34 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical properties of grade 1.2378

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
445 (≥) 889 (≥) 23 23 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 433
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
228 762 635

Equivalent Grade

Equivalent Products

We can customize the production of 1.2378 grade, contact us for the best solution.
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