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SAE A 312 TP309S Details

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A 312 TP309S Application:Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

Category Type Grade Microstructure Designations
Grades Stainless Steels A 312 TP309S Austenite USA - SAE , A 312/A 312M (2012) - Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

Chemical composition(wt.%) of A 312 TP309S grade: A 312/A 312M (2012)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.03
Cr 22.0 24.0
Ni 12.0 15.0
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

Mechanical properties of grade A 312 TP309S A 312/A 312M (2012)

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)
679 (≥) 186 (≥) 44 42 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical properties of grade A 312 TP309S A 312/A 312M (2012)

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
724 (≥) 923 (≥) 13 43 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 433
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
539 296 784

A 312 TP309S - 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
309S UNS USA
Chemical compositions of SAE wrought stainless steels
309S YB USA
Chemical compositions of SAE wrought stainless steels
A 167 Type 309S SAE USA
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 213 TP309S SAE USA
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
A 240 Type 309S SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 TP309S SAE USA
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 276 309S SAE USA
Stainless Steel Bars and Shapes
A 312 TP309S SAE USA
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A 314 309S SAE USA
Stainless Steel Billets and Bars for Forging
A 358 309S SAE USA
Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications
A 409 TP309S SAE USA
Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service
A 473 309S SAE USA
Stainless Steel Forgings
A 478 Type 309S SAE USA
Chromium-Nickel Stainless Steel Weaving and Knitting Wire
A 479 309S SAE USA
Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
A 511 MT309S SAE USA
Seamless Stainless Steel Mechanical Tubing
A 554 MT 309S SAE USA
Welded Stainless Steel Mechanical Tubing
A 580 Type 309S SAE USA
Stainless Steel Wire
A 813 Grade TP 309S SAE USA
Single- or Double-Welded Austenitic Stainless Steel Pipe
A 814 Grade TP 309S SAE USA
Cold-Worked Welded Austenitic Stainless Steel Pipe
A 943 TP309S SAE USA
Spray-Formed Seamless Austenitic Stainless Steel Pipes

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