S34709 Stainless Steels

S34709 - Specification & Application

Austenitic Chromium Nickel Columbium Stainless Steel (Columbium/Niobium Stabilized, High Carbon)

Chemical composition(wt.%) of S34709 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.04 0.10
Mn - 2.00
Si - 1.00
P - 0.04
S - 0.03
Cr 17.00 20.00
Ni 9.00 13.00
Ta - 1.10

S34709 - Detail

Austenitic Chromium Nickel Columbium Stainless Steel (Columbium/Niobium Stabilized, High Carbon)

Mechanical properties of grade S34709

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)
466 (≥) 122 (≥) 14 24 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical properties of grade S34709

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
491 (≥) 914 (≥) 42 21 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 312
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
488 496 474

Equivalent Products

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