Hot Rolled, Annealed and Pickled
A.S.T.M. A240/A480 ASME SA-240
Unit of Measure



N/A Type 309S Stainless Steel


N/A Plates


N/A 3/16 inches


N/A 0.1875 inches4.7625 mm


N/A 48 x 240 inches


N/A 48 inches


N/A 240 inches

Weight per Plate

N/A 686 lbs311.1643864 kg


N/A No. 2B


N/A Hot Rolled Annealed Pickled

Nominal Composition

N/A 0.08% Max. Carbon 1.00% Max. Silicon 2.00% Max. Manganese 12.00 to 15.00% Nickel 22.00 to 24.00% Chrominum

ASTM Specification

N/A ASME SA-240 ASTM A240 ASTM A480 UNS S30908

Typical Mechanical Properties

Steel Alloy Group

N/A Austenitic

Magnetic Properties

N/A Non-Magnetic

Harden By

N/A Cold Work

Corrosion Resistance

N/A High


N/A Low to Med.


N/A Low to Med.


N/A High


N/A High

Elec. Conductance

N/A Low

Thermal Conductance

N/A Low

Thermal Expansion

N/A High

Heat Resistance (Scaling Strength)

N/A High/High

Comparative Characteristics and Applications

Yield Strength

N/A 47000 lbs/in²

Tensile Strength

N/A 88000 lbs/in²

Elongation percent in 2 inches

N/A 46 %

Hardness (Rockwell B)

N/A 85


N/A 0.29 lbs/in³

Modulus of Elasticity in Tension

N/A 29.0 x 106 lbs/in²

Specific Heat (32 to 212°F)

N/A 0.12 BTU/ºF/lbs

Thermal Conductivity at 212°F

N/A 9.0 BTU/hr.ft²/ft/ºF

Thermal Conductivity at 932°F

N/A 10.8 BTU/hr.ft²/ft/ºF

Mean Coefficient of Thermal Expansion per °F (32 to 212°F)

N/A 8.3 x 10-6 ºF

Mean Coefficient of Thermal Expansion per °F (32 to 600°F)

N/A 9.3 x 10-6 ºF

Mean Coefficient of Thermal Expansion per °F (32 to 1000°F)

N/A 9.6 x 10-6 ºF

Mean Coefficient of Thermal Expansion per °F (32 to 1200°F)

N/A 10.0 x 10-6 ºF

Melting Point Range

N/A 2550 to 2650 ºF

Electrical Resistivity

N/A 78 µΩ.cm

Max. Operating Temp. (Continuous Service)

N/A 2000 ºF

Max. Operating Temp. (Intermittent Service)

N/A 1800 ºF

Welding Properties

N/A Good-Tough Welds

Drawing and Stamping

N/A Good

Hot Working - Initial Forging

N/A 2050 to 2250 ºF

Annealing Temp.

N/A 1850 to 2050 ºF

Stress Relieving Temp.

N/A 400 to 750 ºF



  • Rapid transit cars, buses, aircraft, cargo containers
  • Retractor springs
  • Hose clamps
  • Conveyors
  • Bottling machinery
  • Jewelry
  • Cryogenic vessels and components
  • Still tubes
  • Expand metal parts
  • Mixing bowls
  • Dryers
  • Furnace parts
  • Heat exchangers
  • Paper mill equipment
  • Oil refining equipment
  • Textile industry
  • Dyeing equipment
  • Jet engine parts
  • Welded storage tanks for organic chemicals
  • Combustion chambers
  • Furnace arch supports
  • Kiln linings
  • Smoke control ductwork
  • Coal chutes
  • Gauge parts
  • Cutlery
  • Fish hooks
  • Glass molds
  • Bank vaults
  • Fasteners
  • Skewers
  • Dairy industry
  • Burner and emission control components
  • Recuperators
  • Pipes, tubes