58SiCr8 Tool Die Steels

58SiCr8 - Specification & Application

Alloyed SiCr steel

Chemical composition(wt.%) of 58SiCr8 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.55 0.63
Si 1.70 2.00
Mn 0.60 0.90
P - 0.035
S - 0.035
Cr 0.35 0.45
Mo - -
V - -

58SiCr8 - Detail

Alloyed SiCr steel

Mechanical properties of grade 58SiCr8

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)
293 (≥) 129 (≥) 42 23 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical properties of grade 58SiCr8

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
415 (≥) 627 (≥) 23 33 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 333
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
467 843 619

Equivalent Grade

Equivalent Products

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