Name: Alloy 4120 Steel Round Bar
Brand: Nippon Alloys Inc
Availability: InStock
Rating: 5 (15 reviews)

Question 1

Can Alloy 4120 be heat-treated?

Accepted Answer

Yes, Alloy 4120 can be heat-treated to improve its properties. It can be quenched and tempered to achieve higher strength and wear resistance. The alloy can also be annealed to increase its machinability and ductility.

Question 2

Is Alloy 4120 easy to weld?

Accepted Answer

Yes, Alloy 4120 can be welded using standard methods such as TIG (GTAW), MIG (GMAW), and Stick welding (SMAW). However, preheating is recommended for thicker sections, and post-weld heat treatment is often used to relieve stresses and prevent cracking.

Question 3

How does Alloy 4120 perform under stress and fatigue?

Accepted Answer

Alloy 4120 has good fatigue resistance due to its chromium and molybdenum content, making it suitable for high-stress applications such as gears, shafts, and automotive components. It also resists impact and shock loading, making it ideal for applications where high durability is required.