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AISI S32404 Details

S32404 Application:Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Copper Nitrogen Stainless Steel

Category Type Grade Microstructure Designations
Grades Stainless Steels S32404 Austenitic-Ferritic(Duplex steel) USA - AISI ,

Chemical composition(wt.%) of S32404 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.04
Mn - 2.00
Si - 1.00
P - 0.03
S - 0.01
Cr 20.50 22.50
Ni 5.50 8.50
Mo 2.00 3.00
N - 0.20
Cu 1.00 2.00
Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Copper Nitrogen Stainless Steel

Mechanical properties of grade S32404

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)
335 (≥) 534 (≥) 21 41 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical properties of grade S32404

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
242 (≥) 513 (≥) 11 31 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 342
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
689 434 832

S32404 - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
S32404 AISI USA
Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Copper Nitrogen Stainless Steel

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