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SAE A 249 TP309 Details

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A 249 TP309 Application:Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Category Type Grade Microstructure Designations
Grades Stainless Steels A 249 TP309 Austenite USA - SAE , A 249/A 249M (2008) - Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(wt.%) of A 249 TP309 grade: A 249/A 249M (2008)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.20
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.03
Cr 22.0 24.0
Ni 12.0 15.0
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Mechanical properties of grade A 249 TP309 A 249/A 249M (2008)

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)
639 (≥) 338 (≥) 41 11 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical properties of grade A 249 TP309 A 249/A 249M (2008)

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
559 (≥) 266 (≥) 13 22 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 422
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
899 488 383

A 249 TP309 - 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 Type 309 SAE USA
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 249 TP309 SAE USA
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 276 309 SAE USA
Stainless Steel Bars and Shapes
A 312 TP309 SAE USA
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A 314 309 SAE USA
Stainless Steel Billets and Bars for Forging
A 403 WP 309 SAE USA
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
A 409 TP309 SAE USA
Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service
A 473 309 SAE USA
Stainless Steel Forgings
A 511 MT309 SAE USA
Seamless Stainless Steel Mechanical Tubing
A 554 MT 309 SAE USA
Welded Stainless Steel Mechanical Tubing
A 580 Type 309 SAE USA
Stainless Steel Wire
A 813 Grade TP 309 SAE USA
Single- or Double-Welded Austenitic Stainless Steel Pipe
A 814 Grade TP 309 SAE USA
Cold-Worked Welded Austenitic Stainless Steel Pipe
A 959 Type 309 SAE USA
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
A 167 S30900 SAE USA
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 276 S30900 SAE USA
Stainless Steel Bars and Shapes
A 314 S30900 SAE USA
Stainless Steel Billets and Bars for Forging
A 473 S30900 SAE USA
Stainless Steel Forgings
A 580 S30900 SAE USA
Stainless Steel Wire
S30900 AISI USA
Chromium Nickel Heat Resisting Steel

Relevant products

A 249 TP309 Steel Stock

Steel grade Dimension Shape Unit Quantity Delivery state Query
UNS K30960(VIM+ESR) Bright Round Bar Dia.22mm Round Bar Kgs 50 Hot-Rolled+Annealed+black Enquiry

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