SA-813 S30940 Stainless Steels to SA-813/SA-813M

SA-813 S30940 - Specification & Application

  • SA-813/SA-813M - Specification for Single- or Double-Welded Austenitic Stainless Steel Pipe

Specification for Single- or Double-Welded Austenitic Stainless Steel Pipe

Chemical composition(wt.%) of SA-813 S30940 grade: to SA-813/SA-813M

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si - 1.00
Mn - 2.00
P - 0.04
S - 0.03
Cr 22.0 24.0
Ni 12.0 16.0
Nb+Ta - 1.10

SA-813 S30940 - Detail

Specification for Single- or Double-Welded Austenitic Stainless Steel Pipe

Mechanical properties of grade SA-813 S30940 SA-813/SA-813M

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)
374 (≥) 679 (≥) 43 43 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical properties of grade SA-813 S30940 SA-813/SA-813M

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
844 (≥) 128 (≥) 31 34 14 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
462 643 563

Equivalent Products

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