4130 Steel Bar

Size ranging from .250" to 15"

4130 steel bar is an alloy steel bar that is typically heat-treated by either annealing or quench and tempering. It is utilized in a variety of commercial applications such as pumps and fittings in the automotive and energy industries.

Requirement Specifications we can meet:

  • ASTM A29
  • ASTM A576
  • JDM QL-2 certified

Shapes Available

  • Rounds
  • Square
  • Hexagon
  • Rounded Cornered Square
  • Flats
  • Please give as much detail as you can and a King Steel representative will contact you shortly to help you.
  • Max. file size: 50 MB.

Hot Rolled Steel Properties

Chemical Properties
Carbon 0.28 – 0.33
Manganese 0.40 – 0.60
Phosporus (max) 0.035
Sulfur (max) 0.040
Silicon 0.15 – 0.35
Chromium 0.80 – 1.10
Molybdenum 0.15 – 0.25

If your application requires specific mechanical properties, please inquire with our sales team.

Process Services

King Steel offers a variety of value-added services to improve your workflow and quality control. Our processing capabilities include:

  • Turn and Polish
  • Cold Drawing
  • Annealing
  • Chamfering
  • Grinding
  • Quench and Temper
  • Heat Treated
  • Machine Straightening
  • Precision Saw Cutting
  • Custom Shapes
  • Shot Blast
  • Eddy Current Testing
  • Turn, Ground & Polished
  • Cold Drawn, & Polished
  • Straighten & Cut
  • Ultrasonic Testing
  • Pickle & Oil
  • Stress Relieve
  • Normalize
  • Case Hardening

Learn more about our processing capabilities.

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