S5 Tool Die Steels

S5 - Specification & Application

Shock-Resisting Tool Steel

Chemical composition(wt.%) of S5 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.50 0.65
Si 1.75 2.25
Mn 0.60 1.00
P - 0.030
S - 0.030
Cr 0.10 0.50
Mo 0.20 1.35
V 0.15 0.35
W - -
Ni+Cu - 0.75

S5 - Detail

Shock-Resisting Tool Steel

Mechanical properties of grade S5

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)
811 (≥) 755 (≥) 32 32 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical properties of grade S5

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
672 (≥) 788 (≥) 24 33 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 123
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
598 948 818

Equivalent Products

We can customize the production of S5 grade, contact us for the best solution.
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