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400 Series
Unit of Measure

Specifications

Material

Type 420 Q&T Stainless Steel

Shapeform

Round Bar

Diameter

2 7/16 inches

Diameter

2.4375 inches61.9125 mm

Weight

15.88 lbs/ft23.62944 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 S42000

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

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