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SAE A 249 S31254 Details

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A 249 S31254 Application:Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Category Type Grade Microstructure Designations
Grades Stainless Steels A 249 S31254 Austenite USA - SAE , A 249/A 249M (2010) - Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(wt.%) of A 249 S31254 grade: A 249/A 249M (2010)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.020
Si - 0.80
Mn - 1.00
P - 0.03
S - 0.01
Cr 19.5 20.5
Ni 17.5 18.5
Mo 6.00 6.50
Cu 0.50 1.00
N 0.18 0.22
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Mechanical properties of grade A 249 S31254 A 249/A 249M (2010)

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)
316 (≥) 442 (≥) 33 31 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical properties of grade A 249 S31254 A 249/A 249M (2010)

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
767 (≥) 421 (≥) 12 34 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 221
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
295 557 876

A 249 S31254 - 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 167 S31254 SAE USA
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 213 S31254 SAE USA
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
A 240 S31254 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 S31254 SAE USA
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 269 S31254 SAE USA
Seamless and Welded Austenitic Stainless Steel Tubing for General Service
A 270 S31254 SAE USA
Seamless and Welded Austenitic Stainless Steel Sanitary Tubing
A 276 S31254 SAE USA
Stainless Steel Bars and Shapes
A 312 S31254 SAE USA
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A 358 S31254 SAE USA
Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications
A 167 S31254 SAE USA
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 213 S31254 SAE USA
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
A 240 S31254 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 S31254 SAE USA
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 269 S31254 SAE USA
Seamless and Welded Austenitic Stainless Steel Tubing for General Service
A 270 S31254 SAE USA
Seamless and Welded Austenitic Stainless Steel Sanitary Tubing
A 276 S31254 SAE USA
Stainless Steel Bars and Shapes
A 312 S31254 SAE USA
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A 358 S31254 SAE USA
Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications
A 403 CRS31254 SAE USA
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
A 403 WP S31254 SAE USA
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings

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