S17700 Stainless Steels

S17700 - Specification & Application

Precipitation Hardenable Chromium Nickel Aluminum Stainless Steel

Chemical composition(wt.%) of S17700 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.09
Mn - 1.00
Si - 1.00
P - 0.04
S - 0.04
Cr 16.00 18.00
Ni 6.50 7.75
Mo - -
Al 0.75 1.50

S17700 - Detail

Precipitation Hardenable Chromium Nickel Aluminum Stainless Steel

Mechanical properties of grade S17700

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)
434 (≥) 744 (≥) 43 43 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical properties of grade S17700

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
334 (≥) 497 (≥) 31 22 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 122
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
287 384 176
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