A 790 S32304 Stainless Steels to A 790/A 790M (2011)

A 790 S32304 - Specification & Application

  • A 790/A 790M (2011) - Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe

Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe

Chemical composition(wt.%) of A 790 S32304 grade: to A 790/A 790M (2011)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Mn - 2.50
Si - 1.00
P - 0.04
S - 0.03
Cr 21.50 24.50
Ni 3.00 5.50
Mo 0.05 0.60
N 0.05 0.20
Cu 0.05 3.00

A 790 S32304 - Detail

Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe

Mechanical properties of grade A 790 S32304 A 790/A 790M (2011)

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)
491 (≥) 526 (≥) 33 23 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical properties of grade A 790 S32304 A 790/A 790M (2011)

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
141 (≥) 556 (≥) 32 13 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 212
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
397 766 849

Equivalent Products

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