Item # 309S-3125-96-240, Stainless Steel Plate - Type 309S On Continental Steel & Tube Co.

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	Item # 309S-3125-96-240, Stainless Steel Plate - Type 309S

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

Unit of Measure: Imperial

Specifications · Typical Mechanical Properties · Comparative Characteristics and Applications · Applications

Specifications

Material		Type 309S Stainless Steel

Shapeform		Plates

Thickness		5/16 inches

Thickness		0.3125 inches

Size		96 x 240 inches

Width		96 inches

Length		240 inches

Weight per Plate		2199 lbs

Finish		No. 2B

Condition		Hot Rolled Annealed Pickled

Nominal Composition		0.08% Max. Carbon 1.00% Max. Silicon 12.00 to 15.00% Nickel 2.00% Max. Manganese 22.00 to 24.00% Chrominum

ASTM Specification		ASME SA-240 ASTM A240 ASTM A480 UNS S30908

Typical Mechanical Properties

Steel Alloy Group		Austenitic

Magnetic Properties		Non-Magnetic

Harden By		Cold Work

Corrosion Resistance		High

Hardness		Low to Med.

Strength		Low to Med.

Ductility		High

Toughness		High

Elec. Conductance		Low

Thermal Conductance		Low

Thermal Expansion		High

Heat Resistance (Scaling Strength)		High/High

Comparative Characteristics and Applications

Yield Strength		47000 lbs/in²

Tensile Strength		88000 lbs/in²

Elongation percent in 2 inches		46 %

Hardness (Rockwell B)		85

Density		0.29 lbs/in³

Modulus of Elasticity in Tension		29.0 x 10⁶ lbs/in²

Specific Heat (32 to 212°F)		0.12 BTU/ºF/lbs

Thermal Conductivity at 212°F		9.0 BTU/hr.ft²/ft/ºF

Thermal Conductivity at 932°F		10.8 BTU/hr.ft²/ft/ºF

Mean Coefficient of Thermal Expansion per °F (32 to 212°F)		8.3 x 10^-6 ºF

Mean Coefficient of Thermal Expansion per °F (32 to 600°F)		9.3 x 10^-6 ºF

Mean Coefficient of Thermal Expansion per °F (32 to 1000°F)		9.6 x 10^-6 ºF

Mean Coefficient of Thermal Expansion per °F (32 to 1200°F)		10.0 x 10^-6 ºF

Melting Point Range		2550 to 2650 ºF

Electrical Resistivity		78 µΩ.cm

Max. Operating Temp. (Continuous Service)		2000 ºF

Max. Operating Temp. (Intermittent Service)		1800 ºF

Welding Properties		Good-Tough Welds

Drawing and Stamping		Good

Hot Working - Initial Forging		2050 to 2250 ºF

Annealing Temp.		1850 to 2050 ºF

Stress Relieving Temp.		400 to 750 ºF

Applications

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

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		Types Finishes Spec Sheet

Item # 309S-3125-96-240, Stainless Steel Plate - Type 309S

Material

Shapeform

Thickness

Thickness

Size

Width

Length

Weight per Plate

Finish

Condition

Nominal Composition

ASTM Specification

Steel Alloy Group

Magnetic Properties

Harden By

Corrosion Resistance

Hardness

Strength

Ductility

Toughness

Elec. Conductance

Thermal Conductance

Thermal Expansion

Heat Resistance (Scaling Strength)

Yield Strength

Tensile Strength

Elongation percent in 2 inches

Hardness (Rockwell B)

Density

Modulus of Elasticity in Tension

Specific Heat (32 to 212°F)

Thermal Conductivity at 212°F

Thermal Conductivity at 932°F

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

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

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

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

Melting Point Range

Electrical Resistivity

Max. Operating Temp. (Continuous Service)

Max. Operating Temp. (Intermittent Service)

Welding Properties

Drawing and Stamping

Hot Working - Initial Forging

Annealing Temp.

Stress Relieving Temp.