SA-358 S31254 Stainless Steels to SA-358/SA-358M

SA-358 S31254 - Specification & Application

  • SA-358/SA-358M - Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy Steel Pipe for High-Temperature Service

Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy Steel Pipe for High-Temperature Service

Chemical composition(wt.%) of SA-358 S31254 grade: to SA-358/SA-358M

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.02
Mn - 1.00
Si - 0.80
P - 0.03
S - 0.01
Cr 19.50 20.50
Ni 17.50 18.50
Mo 6.00 6.50
Cu 0.50 1.00
N 0.18 0.22

SA-358 S31254 - Detail

Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy Steel Pipe for High-Temperature Service

Mechanical properties of grade SA-358 S31254 SA-358/SA-358M

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)
266 (≥) 363 (≥) 14 13 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical properties of grade SA-358 S31254 SA-358/SA-358M

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
176 (≥) 162 (≥) 34 44 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 141
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
557 755 292

Equivalent Products

We can customize the production of SA-358 S31254 grade, contact us for the best solution.
sales@specificsteel.com