90CrSi5 Tool Die Steels

90CrSi5 - Specification & Application

Alloyed SiCr steel

Chemical composition(wt.%) of 90CrSi5 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.85 0.95
Si 1.05 1.25
Mn 0.60 0.80
P - 0.035
S - 0.035
Cr 1.10 1.30
Mo - -
V - -

90CrSi5 - Detail

Alloyed SiCr steel

Mechanical properties of grade 90CrSi5

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)
177 (≥) 879 (≥) 33 41 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical properties of grade 90CrSi5

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
756 (≥) 863 (≥) 24 44 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 243
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
622 637 944

Equivalent Grade

Equivalent Products

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