A 358 S30403 Stainless Steels to A 358/A 358M (2008)

A 358 S30403 - Specification & Application

  • A 358/A 358M (2008) - Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications

Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications

Chemical composition(wt.%) of A 358 S30403 grade: to A 358/A 358M (2008)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.03
Cr 18.0 20.0
Ni 8.00 12.0

A 358 S30403 - Detail

Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications

Mechanical properties of grade A 358 S30403 A 358/A 358M (2008)

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)
634 (≥) 766 (≥) 22 41 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical properties of grade A 358 S30403 A 358/A 358M (2008)

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
426 (≥) 116 (≥) 31 42 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 322
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
478 299 594
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