55NiCr10 Tool Die Steels

55NiCr10 - Specification & Application

Alloyed NiCr steel

Chemical composition(wt.%) of 55NiCr10 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.50 0.57
Si 0.15 0.30
Mn 0.40 0.50
P - 0.035
S - 0.035
Cr 0.50 0.70
Mo - -
V - -
Ni 2.50 3.00

55NiCr10 - Detail

Alloyed NiCr steel

Mechanical properties of grade 55NiCr10

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)
858 (≥) 658 (≥) 12 24 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical properties of grade 55NiCr10

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
253 (≥) 218 (≥) 22 22 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 232
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
823 339 964

Equivalent Grade

Equivalent Products

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