S17400 Stainless Steels

S17400 - Specification & Application

Precipitation Hardenable Cr-Ni-Cu Stainless Steel (17-4 PH)

Chemical composition(wt.%) of S17400 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.07
Mn - 1.00
Si - 1.00
P - 0.04
S - 0.03
Cr 15.50 17.50
Ni 3.00 5.00
Mo - -
Cu 3.00 5.00
Nb 0.15 0.45

S17400 - Detail

Precipitation Hardenable Cr-Ni-Cu Stainless Steel (17-4 PH)

Mechanical properties of grade S17400

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)
516 (≥) 516 (≥) 42 43 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical properties of grade S17400

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
439 (≥) 664 (≥) 12 13 42 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
198 241 737
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