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300 Series
A.S.T.M. A276 (except 303)
Unit of Measure

Specifications

Material

 N/A Type 304 Stainless Steel

Shapeform

 N/A Round Bar

Diameter

 N/A 1 1/8 inches

Diameter

 N/A 1.125 inches28.575 mm

Weight

 N/A 3.38 lbs/ft5.02944 kg/m

Finish

 N/A No. 2B

Condition

 N/A Cold Finished Annealed

Nominal Composition

 N/A 0 to 0.25% Carbon 1.00% Max. Silicon 2.00% Max. Manganese 6 to 36% Nickel 7 to 30% Chrome

ASTM Specification

 N/A ASTM A276 UNS S30400

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

Hardness

 N/A Low to Med.

Strength

 N/A Low to Med.

Ductility

 N/A High

Toughness

 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 46000 lbs/in²

Tensile Strength

 N/A 89000 lbs/in²

Elongation percent in 2 inches

 N/A 55 %

Hardness (Rockwell B)

 N/A 86

Creep Strength Load for 10000 Hr. with 1% Elongation at 1000°F

 N/A 17000 lbs/in²

Creep Strength Load for 10000 Hr. with 1% Elongation at 1100°F

 N/A 12000 lbs/in²

Creep Strength Load for 10000 Hr. with 1% Elongation at 1200°F

 N/A 7000 lbs/in²

Creep Strength Load for 10000 Hr. with 1% Elongation at 1300°F

 N/A 4000 lbs/in²

Density

 N/A 0.29 lbs/in³

Modulus of Elasticity in Tension

 N/A 28.0 x 106 lbs/in²

Specific Heat (32 to 212°F)

 N/A 0.12 BTU/ºF/lbs

Thermal Conductivity at 212°F

 N/A 9.4 BTU/hr.ft²/ft/ºF

Thermal Conductivity at 932°F

 N/A 12.4 BTU/hr.ft²/ft/ºF

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

 N/A 9.6 x 10-6 ºF

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

 N/A 9.9 x 10-6 ºF

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

 N/A 10.2 x 10-6 ºF

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

 N/A 10.4 x 10-6 ºF

Melting Point Range

 N/A 2550 to 2650 ºF

Electrical Resistivity

 N/A 72 µΩ.cm

Max. Operating Temp. (Continuous Service)

 N/A 1650 ºF

Max. Operating Temp. (Intermittent Service)

 N/A 1500 ºF

Welding Properties

 N/A Very Good-Tough Welds

Drawing and Stamping

 N/A Very Good

Hot Working - Initial Forging

 N/A 2100 to 2300 ºF

Annealing Temp.

 N/A 1850 to 2050 ºF

Stress Relieving Temp.

 N/A 400 to 750 ºF

Applications

N/A

  • 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