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High Quality Steel Round Bar

  • Steel Round Bar
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Steel Round Bar

M & K Metals’ 4130 and 4140 steel round bar provides excellent quality and tenacity coupled with a high strength yield. Steel round bar also has profound adaptability and ductility, making it easy to weld, cut, form and machine with the proper equipment and knowledge.
Contact us for more information regarding our premium quality steel products, or request a quote today.

4140 Steel Round Bar

M & K’s 4140 steel round bar is a cold drawn annealed steel of relatively high hardenability due to its chromium content. It provides good hardness penetration, and the molybdenum imparts uniformity of hardness and high strength. 4140 steel round bar responds well to heat-treatment and is relatively easy to machine in the annealed condition. This steel round bar also has good strength and wear resistance, excellent toughness, coupled with good ductility, and the ability to resist stress at elevated temperatures.

4140 Steel Round Bar Applications

M & K Metals 4140 steel round bar is ideal for a wide variety of applications, including:
  • Piston rods
  • Sprockets
  • Axles
  • Shafts
  • Bolts
  • Rams
  • And more

4130 Steel Round Bar

M & K Metals’ 4130 steel round bar is cold rolled and offers good weldability without compromising steel abrasion and impact resistance. This steel round bar also possesses good machinability, high yield strength, excellent ultimate tensile strength and can be heat treated. 

4130 Steel Round Bar Applications

4130 steel round bar is a great choice for a multitude of applications, including:
  • Gears
  • Fasteners
  • Aircraft exteriors
  • Vehicle chassis
  • And more

Steel Round Bar Options

M & K Metals’ 4130 and 4140 steel round bar is available in numerous format varieties, such as:

Visit M & K Metal for Your Steel Round Bar Today!

At M & K Metal, you can purchase partial pieces of 4140 and 4130 steel round bar. Please contact us or request a quote today!
Sample pricing for 4130 and 4140 steel round bar are listed below for informational purposes only. PLEASE CALL US DIRECTLY AT 800-870-6382, OR CONTACT US TO CONFIRM CURRENT / CORRECT PRICING.