SA-409 S34565 Stainless Steels to SA-409/SA-409M

SA-409 S34565 - Specification & Application

  • SA-409/SA-409M - Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service

Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service

Chemical composition(wt.%) of SA-409 S34565 grade: to SA-409/SA-409M

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Mn 5.00 7.00
Si - 1.00
P - 0.03
S - 0.01
Cr 23.00 25.00
Ni 16.00 18.00
Mo 4.00 5.00
N 0.40 0.60
Nb - 0.10

SA-409 S34565 - Detail

Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service

Mechanical properties of grade SA-409 S34565 SA-409/SA-409M

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)
652 (≥) 844 (≥) 11 34 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical properties of grade SA-409 S34565 SA-409/SA-409M

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
842 (≥) 728 (≥) 11 24 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 242
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
481 164 519

Equivalent Products

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