SA-790 S32900 Stainless Steels to SA-790/SA-790M

SA-790 S32900 - Specification & Application

  • SA-790/SA-790M - Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe

Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe

Chemical composition(wt.%) of SA-790 S32900 grade: to SA-790/SA-790M

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Mn - 1.00
Si - 0.75
P - 0.04
S - 0.03
Cr 23.00 28.00
Ni 2.50 5.00
Mo 1.00 2.00

SA-790 S32900 - Detail

Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe

Mechanical properties of grade SA-790 S32900 SA-790/SA-790M

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)
795 (≥) 939 (≥) 12 21 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical properties of grade SA-790 S32900 SA-790/SA-790M

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
649 (≥) 519 (≥) 11 13 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 211
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
652 991 832

Equivalent Products

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