1.2552 Tool Die Steels

1.2552 - Specification & Application

Alloyed WCrV steel

Chemical composition(wt.%) of 1.2552 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.75 0.85
Si 0.40 0.60
Mn 0.30 0.50
P - 0.035
S - 0.035
Cr 1.00 1.20
Mo - -
V 0.25 0.35
W 1.80 2.10

1.2552 - Detail

Alloyed WCrV steel

Mechanical properties of grade 1.2552

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)
138 (≥) 291 (≥) 22 22 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical properties of grade 1.2552

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
323 (≥) 862 (≥) 43 34 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 443
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
764 814 186

Equivalent Grade

Equivalent Products

We can customize the production of 1.2552 grade, contact us for the best solution.
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