SA-403 S34800 Stainless Steels to SA-403/SA-403M

SA-403 S34800 - Specification & Application

  • SA-403/SA-403M - Specification for Wrought Austenitic Stainless Steel Piping Fittings

Specification for Wrought Austenitic Stainless Steel Piping Fittings

Chemical composition(wt.%) of SA-403 S34800 grade: to SA-403/SA-403M

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Mn - 2.00
Si - 1.00
P - 0.045
S - 0.03
Cr 17.00 19.00
Ni 9.00 11.30
Ta - 0.10
Co - 0.20

SA-403 S34800 - Detail

Specification for Wrought Austenitic Stainless Steel Piping Fittings

Mechanical properties of grade SA-403 S34800 SA-403/SA-403M

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)
624 (≥) 957 (≥) 42 12 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical properties of grade SA-403 S34800 SA-403/SA-403M

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
936 (≥) 731 (≥) 11 12 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 443
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
331 662 474

Equivalent Products

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