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Austenitic 309 Application:China Taiwan Heat-Resistant Steel
Category Type Steel grade Standard Country
Grades Special Alloy Austenitic 309 CNS China

Chemical composition % of the ladle analysis of grade Austenitic 309

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%)
Max 0.20 Max 1.00 Max 2.00 0.04 0.03 22.0-24.0 12.0-15.0
Austenitic 309
Mechanical properties of grade Austenitic 309
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)
642 (≥) 598 (≥) 34 14 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 412
Physical properties of grade Austenitic 309
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
324 (≥) 995 (≥) 41 34 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 144
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
415 624 983
Austenitic 309 Range of products
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 CNS China
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 249 TP309 CNS China
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 276 309 CNS China
Stainless Steel Bars and Shapes
A 312 TP309 CNS China
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A 314 309 CNS China
Stainless Steel Billets and Bars for Forging
A 403 WP 309 CNS China
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
A 409 TP309 CNS China
Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service
A 473 309 CNS China
Stainless Steel Forgings
A 511 MT309 CNS China
Seamless Stainless Steel Mechanical Tubing
A 554 MT 309 CNS China
Welded Stainless Steel Mechanical Tubing
A 580 Type 309 CNS China
Stainless Steel Wire
A 813 Grade TP 309 CNS China
Single- or Double-Welded Austenitic Stainless Steel Pipe
A 814 Grade TP 309 CNS China
Cold-Worked Welded Austenitic Stainless Steel Pipe
A 959 Type 309 CNS China
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
A 167 S30900 CNS China
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 276 S30900 CNS China
Stainless Steel Bars and Shapes
A 314 S30900 CNS China
Stainless Steel Billets and Bars for Forging
A 473 S30900 CNS China
Stainless Steel Forgings
A 580 S30900 CNS China
Stainless Steel Wire
S30900 CNS China
Chromium Nickel Heat Resisting Steel

Relevant products

Austenitic 309 Equivalent Grade 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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