4343 Low Alloy Steel

4343 is a low alloy steel with ultra high strength melted as VIM + VAR product.  It also possessed good toughness and fatigue strength when heat treated.  This alloy has just slightly higher carbon than 4340 low alloy steel.  This grade also displays excellent transverse properties even in larger cross sections and is often used in the rotorcraft aerospace market.

Please inquire today about your steel needs.

Specs USAP Produces to:
  • Bell 299-947-363

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.

Approvals
  • Bell Approval to 299-947-363

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

Industry / Trade Names
  • UNS G43406
Markets
  • Aerospace
Melt Types
  • VIM+VAR
Grade Families
  • Low Alloy Steels

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