4130 - Alloy Round Bar

4130 - Alloy Round Bar

4130 Alloy Cold Rolled Round Bar/Rods offer good weldability without compromising steel abrasion and impact resistance. It is commonly used in structural applications, including gears, fasteners, and some aircraft exterior. 

4130 Steel has good machinability, good weldability, and can be heat treated. 

All of these items meet the following specifications:

  • AMS6370

  • MIL-S-6758

"CFN" stands for Cold Finished and Normalized

"RTN" stands for Rough Turned and Normalized

View the "Alloy Steel Guide" for grades, shapes & various properties.

Refer to our "Guide to Carbon" for grades, shapes and various properties.