Click to Enlarge
4130 Chromoly Round Tube

Chromoly 4130 is a low alloy steel containing chromium, molybdenum, iron, carbon, and other alloying elements. The addition of chromium to steel improves strength and corrosion resistance and the molybdenum increases material toughness.  4130 chromoly tubing also has a smooth interior and exterior finish that resists scaling and oxidation.

Additional advantages of 4130 chromoly tube include:
  • Excellent strength-to-weight ratio
  • High tensile strength, ductility, and toughness
  • Lighter and stronger than carbon steel
  • Easy to weld, form, and machine
  • Ability to case harden using carburization
  • Ability to harden using heat treating or work hardening

4130 Chromoly Tubing for Industrial and Automotive Applications

Industrial Metal Supply stocks chromoly tube and thousands of other standard and specialty metal products. We provide 4130 chrome moly tube with wall thicknesses from 0.065” to 0.250” and O.D.s ranging from 1/4” to 2”. Lengths include 10’ or 17-42’ random lengths.  All our 4130 chromoly tubing has a smooth, seamless finish for use in any application.
 
Select from the sizes below or contact us to discuss our cut-to-size service for chromoly tubes. Most of our metal tubing and other products are available through next-day delivery or same-day will-call at one of our California or Arizona locations.

Chromoly 4130 Round Steel Tube Applications

Round steel tube 4130 provides good weldability without compromising steel abrasion and impact resistance. It is also sturdy yet lightweight for use in applications requiring strength without additional weight. These properties make the material ideal for use in structural applications, including gears, fasteners, and welded tubing.
 
Some of the common applications for 4130 round steel tube include:
  • Motorcycle frames
  • Aerospace applications
  • Motorsport chassis
  • Aircraft gas delivery systems
  • Bicycle frames
  • Racecar roll cages
It is important to note that chromoly tubing has corrosion resistance similar to that of mild carbon steel but does not exhibit the same level of corrosion resistance as stainless steel.  Because of this, the material is not suited for applications involving highly corrosive environments.  
 
Read our blog post about the difference between Chromoly Tubing vs. DOM Tubing to learn more about material properties and applications.

Contact Industrial Metal Supply for 4130 Chromoly Round Steel Tube

Industrial Metal Supply stocks a wide range of sizes of steel tube for your specific project needs. Contact us today to discuss using round chromoly tube in your application.