1.2746 Tool Die Steels

1.2746 - Specification & Application

Alloyed NiCrMoV steel

Chemical composition(wt.%) of 1.2746 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.41 0.49
Si 0.15 0.35
Mn 0.60 0.80
P - 0.025
S - 0.020
Cr 1.40 1.60
Mo 0.73 0.85
V 0.45 0.55
Ni 3.80 4.20

1.2746 - Detail

Alloyed NiCrMoV steel

Mechanical properties of grade 1.2746

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)
434 (≥) 745 (≥) 32 21 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical properties of grade 1.2746

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
289 (≥) 527 (≥) 22 11 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 244
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
859 165 265

Equivalent Grade

Equivalent Products

We can customize the production of 1.2746 grade, contact us for the best solution.
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