1.2743 Tool Die Steels

1.2743 - Specification & Application

Alloyed CrNiMoV steel

Chemical composition(wt.%) of 1.2743 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.55 0.60
Si 0.30 0.50
Mn 0.50 0.80
P - 0.035
S - 0.035
Cr 1.00 1.30
Mo 0.30 0.40
V 0.07 0.12
Ni 2.70 3.00

1.2743 - Detail

Alloyed CrNiMoV steel

Mechanical properties of grade 1.2743

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)
143 (≥) 158 (≥) 12 14 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical properties of grade 1.2743

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
758 (≥) 584 (≥) 21 24 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 313
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
339 981 531

Equivalent Grade

Equivalent Products

We can customize the production of 1.2743 grade, contact us for the best solution.
sales@specificsteel.com