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AMS SA-479 S44800 Details

SA-479 S44800 Application:Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels

Category Type Grade Microstructure Designations
Grades Stainless Steels SA-479 S44800 Ferrite USA - AMS , SA-479/SA-479M - Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels

Chemical composition(wt.%) of SA-479 S44800 grade: SA-479/SA-479M

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.01
Mn - 0.30
Si - 0.20
P - 0.025
S - 0.02
Cr 28.00 30.00
Ni 2.00 2.50
Mo 3.50 4.20
N - 0.02
Cu - 0.15

Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels

Mechanical properties of grade SA-479 S44800 SA-479/SA-479M

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)
617 (≥) 514 (≥) 22 13 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical properties of grade SA-479 S44800 SA-479/SA-479M

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
162 (≥) 459 (≥) 31 43 24 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
393 268 827

SA-479 S44800 - 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 176 S44800 SAE USA
Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip
A 240 S44800 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 268 S44800 SAE USA
Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 276 S44800 SAE USA
Stainless Steel Bars and Shapes
A 479 S44800 SAE USA
Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
A 493 S44800 SAE USA
Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging
A 580 S44800 SAE USA
Stainless Steel Wire
S44800 AISI USA
Ferritic High Chromium Stainless Steel
SA-240 S44800 AMS USA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-268 S44800 AMS USA
Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
SA-276 S44800 AMS USA
Specification for Stainless Steel Bars and Shapes
SA-479 S44800 AMS USA
Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels

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