S63017 Stainless Steels

S63017 - Specification & Application

Steel for exhaust valves

Chemical composition(wt.%) of S63017 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.15 0.25
Si 0.70 1.00
Mn 1.00 1.50
P - 0.045
S - 0.030
Cr 20.0 22.0
Ni 10.5 12.5
N 0.15 0.20

S63017 - Detail

Steel for exhaust valves

Mechanical properties of grade S63017

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)
282 (≥) 383 (≥) 33 22 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical properties of grade S63017

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
366 (≥) 847 (≥) 43 42 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 142
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
551 676 193

Equivalent Products

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