145Cr6 Tool Die Steels

145Cr6 - Specification & Application

Tools alloyed Cr steel

Chemical composition(wt.%) of 145Cr6 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 1.40 1.60
Si 0.15 0.30
Mn 0.50 0.70
P - 0.035
S - 0.035
Cr 1.30 1.50
Mo - -
V - -

145Cr6 - Detail

Tools alloyed Cr steel

Mechanical properties of grade 145Cr6

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)
429 (≥) 317 (≥) 42 21 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical properties of grade 145Cr6

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
829 (≥) 334 (≥) 23 33 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 141
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
732 726 888

Equivalent Grade

Equivalent Products

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