45NiCr6 Tool Die Steels

45NiCr6 - Specification & Application

Alloyed NiCr steel

Chemical composition(wt.%) of 45NiCr6 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.40 0.50
Si 0.15 0.35
Mn 0.50 0.80
P - 0.035
S - 0.035
Cr 1.20 1.50
Mo - -
V - -
Ni 1.50 1.80

45NiCr6 - Detail

Alloyed NiCr steel

Mechanical properties of grade 45NiCr6

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)
767 (≥) 195 (≥) 32 13 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical properties of grade 45NiCr6

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
411 (≥) 489 (≥) 23 21 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 121
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
873 878 799

Equivalent Grade

Equivalent Products

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