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Whole FERRALIUM alloy 255 Details

FERRALIUM alloy 255 Application:FERRALIUM alloy 255

Category Type Grade Designations
Grades Stainless Steels FERRALIUM alloy 255 - ,

Chemical composition(wt.%) of FERRALIUM alloy 255 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.04
Si - 1.00
Mn - 1.50
P - 0.040
S - 0.030
Cr 24.0 27.0
Ni 4.5 6.5
Mo 2.9 3.9
Cu 1.50 2.50
N 0.10 0.25

FERRALIUM alloy 255

Mechanical properties of grade FERRALIUM alloy 255

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)
111 (≥) 178 (≥) 22 13 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical properties of grade FERRALIUM alloy 255

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
362 (≥) 333 (≥) 14 22 31 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
243 618 556

FERRALIUM alloy 255 - 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
FERRALIUM alloy 255 Whole Whole
FERRALIUM alloy 255
S32550 UNS USA
Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Copper Nitrogen Stainless Steel
A 1049 S32550 SAE USA
Stainless Steel Forgings, Ferritic/Austenitic (Duplex), for Pressure Vessels and Related Components
A 240 S32550 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 276 S32550 SAE USA
Stainless Steel Bars and Shapes
A 473 S32550 SAE USA
Stainless Steel Forgings
A 479 S32550 SAE USA
Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
A 511 S32550 SAE USA
Seamless Stainless Steel Mechanical Tubing
A 789 S32550 SAE USA
Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service
A 790 S32550 SAE USA
Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe
A 815 CRS32550 SAE USA
Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings
A 815 WPS32550 SAE USA
Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings
A 928 S32550 SAE USA
Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal
A 949 S32550 SAE USA
Spray-Formed Seamless Ferritic/Austenitic Stainless Steel Pipe
S32550 AISI USA
Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Copper Nitrogen Stainless Steel
SA-240 S32550 AMS USA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-276 S32550 AMS USA
Specification for Stainless Steel Bars and Shapes
SA-479 S32550 AMS USA
Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
SA-789 S32550 AMS USA
Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service
SA-790 S32550 AMS USA
Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe

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