400 Series
Unit of Measure

Specifications

Material

Type 410 Stainless Steel

Shapeform

Round Bar

Diameter

5/16 inches

Diameter

0.3125 inches7.9375 mm

Weight

0.260 lbs/ft0.38688 kg/m

Finish

No. 2B

Condition

Fully Heat Treated

Nominal Composition

0 or trace Nickel 0.06 to 0.120% Carbon 12% Chrome

ASTM Specification

UNS SS4100

Typical Mechanical Properties

Steel Alloy Group

Martensitic

Magnetic Properties

Magnetic

Harden By

Heat Treat

Corrosion Resistance

Low

Hardness

High

Strength

High

Ductility

Low

Toughness

Med.

Elec. Conductance

Med.

Thermal Conductance

Med.

Thermal Expansion

Med.

Heat Resistance (Scaling Strength)

Low/Med.

Comparative Characteristics and Applications

Yield Strength

80000 psi

Tensile Strength

100000 psi

Elongation percent in 2 inches

20 %

Hardness (Rockwell B)

16 to 22

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

9000 lbs/in²

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

4200 lbs/in²

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

4000 lbs/in²

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

1000 lbs/in²

Density

0.28 lbs/in³

Modulus of Elasticity in Tension

29.0 x 10-6 lbs/in²

Specific Heat (32 to 212°F)

0.11 BTU/ºF/lbs

Thermal Conductivity at 212°F

14.4 BTU/hr.ft²/ft/ºF

Thermal Conductivity at 932°F

16.6 BTU/hr.ft²/ft/ºF

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

9.3 x 10-6 ºF

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

9.5 x 10-6 ºF

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

10.3 x 10-6 ºF

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

10.7 x 10-6 ºF

Melting Point Range

2700 to 2790 ºF

Electrical Resistivity

57 µΩ.cm

Max. Operating Temp. (Continuous Service)

1250 ºF

Max. Operating Temp. (Intermittent Service)

1400 ºF

Welding Properties

Fair-Preheat 400-500°F, Anneal 1250°F after welding

Drawing and Stamping

Fair-Good

Hot Working - Initial Forging

2000 to 2200 ºF

Annealing Temp.

1500 to 1650 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