Welded and Seamless Cold Drawn, Annealed and Pickled
20' Random Lengths
Specifications:
Seamless Pipe Sizes - ASTM A312, A269 and MIL-P-24691/3
Welded Pipe Sizes - ASTM A312, MIL-P-1 144 and DuPont S.W.41M.

Most seamless pipe sizes are available cold-drawn and hot-finished. Most sizes-through 3/4" O.D. in both seamless and welded-meet Aircraft Quality Specifications MIL-T-8504, SAE-MIL-T-8506
Unit of Measure

Specifications

Material

Type 304 Stainless Steel

Shapeform

Seamless Pipe

O.D.

2.875 inches73.025 mm

I.P.S. Size

2 1/2 inches

Standard

Schedule 80

Wall Thickness

0.276 inches7.0104 mm

Nominal I.D.

2.323 inches59.0042 mm

Weight

7.664 lbs/ft11.405288896 kg/m

Condition

Cold Drawn Annealed Pickled

Nominal Composition

0.03% Max. Sulphur 0.045% Max. Phosphorus 0.08% Max. Carbon 1.00% Max. Silicon 18 to 20% Chrome 2.00% Max. Manganese 8.0% to 12.0% Nickel

ASTM Specification

ASTM A312 MIL-P-144 UNS S30400

Random Length

20 ft

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

46000 lbs/in²

Tensile Strength

89000 lbs/in²

Elongation percent in 2 inches

55 %

Hardness (Rockwell B)

86

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

17000 lbs/in²

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

12000 lbs/in²

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

7000 lbs/in²

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

4000 lbs/in²

Density

0.29 lbs/in³

Modulus of Elasticity in Tension

28.0 x 106 lbs/in²

Specific Heat (32 to 212°F)

0.12 BTU/ºF/lbs

Thermal Conductivity at 212°F

9.4 BTU/hr.ft²/ft/ºF

Thermal Conductivity at 932°F

12.4 BTU/hr.ft²/ft/ºF

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

9.6 x 10-6 ºF

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

9.9 x 10-6 ºF

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

10.2 x 10-6 ºF

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

10.4 x 10-6 ºF

Melting Point Range

2550 to 2650 ºF

Electrical Resistivity

72 µΩ.cm

Max. Operating Temp. (Continuous Service)

1650 ºF

Max. Operating Temp. (Intermittent Service)

1500 ºF

Welding Properties

Very Good-Tough Welds

Drawing and Stamping

Very Good

Hot Working - Initial Forging

2100 to 2300 ºF

Annealing Temp.

1850 to 2050 ºF

Stress Relieving Temp.

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