4330M Low Alloy Steel

4330M is a low alloy high strength steel melted as AOD + VAR.  It has added vanadium which improves impact strength as well as hardenability.  It's high strength and excellent fatigue strength lends itself to demanding aerospace applications similar to 4340 and 300M.

Please inquire today about your steel needs.

Specs USAP Produces to:
  • AMS 6411
  • AMS 6427
  • MIL-S-8699
  • Airesearch EMS-96242
  • Bendix CE-0906
  • Boeing BMS 7-122
  • Boeing BMS 7-27
  • General Dynamics FMS-1012
  • Northrop Grumman GM-1010
  • AMS STD 2154

Don't see the spec you're looking for? Not all specs are listed so please submit an inquiry!

Product Forms Sold:

Size ranges vary by specification and specific order requirements; inquire for your specific needs.


Don't see the approval you're looking for? Not all approvals are listed so please submit an inquiry!

Industry / Trade Names
  • UNS K23080
  • 4330M
  • 4330 Modified
  • 4330V
  • Aerospace
  • Oil & Gas
Melt Types
Grade Families
  • Low Alloy Steels

DISCLAIMER: The information provided on this Web site, technical or otherwise, is merely for informational purposes, and is not intended to serve as a guide, manual, instructions, or any kind reference for proper safety procedures or material purchasing. Universal Stainless makes no warranty, express or implied, based on the statements on this Web site and, as such, will not be liable for any damages, either direct or indirect, including but not limited to consequential damages, such as damages for loss of profits, that may arise based on reliance on the information provided on this Web site. Some information has been referenced from reliable industry sources.