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AISI S44401 Details

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S44401 Application:Chromium Molybdenum Stainless Steel

Category Type Grade Microstructure Designations
Grades Stainless Steels S44401 Ferrite USA - AISI ,

Chemical composition(wt.%) of S44401 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.025
Mn - 1.00
Si - -
P - 0.03
S - 0.03
Cr 17.50 19.50
Ni - 1.00
Mo 1.75 2.50
N - 0.035

Chromium Molybdenum Stainless Steel

Mechanical properties of grade S44401

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)
468 (≥) 232 (≥) 23 41 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical properties of grade S44401

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
935 (≥) 727 (≥) 24 34 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 112
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
324 481 564

S44401 - 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
A 479 S44401 SAE USA
Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
A 493 S44401 SAE USA
Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging
A 580 S44401 SAE USA
Stainless Steel Wire
S44401 AISI USA
Chromium Molybdenum Stainless Steel

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