E4340, 6″ Round Bar Forging Stock, AMS 6415, Timken Steel, 8279 lbs – West Coast
Asking $2.55 per lb, current market $3.00
Lots:
(1) 8279 lbs – Timken Steel
E4340 is a medium-carbon, low-alloy steel that’s known for its strenghts, toughness and fatigue resistance. Â It’s often used in aircraft landing gear, automotive transmission gears, and gun parts.Â
- Made of iron, nickel, chromium, manganese, carbon, molybdenum, silicon, phosphorus, and sulfur
- Melts at a relatively high temperature of 2,600°F
Properties Good ductility in the annealed condition, High fatigue strength, Maintains strength and hardness at elevated temperatures, and Excellent wear and durability qualities.
AMS 6415 is a specification for a high-strength, low-alloy steel with excellent toughness and impact resistance. It’s also known as 4340 steel.Â
- Strength:Â High tensile strength, with a yield point of 945 MPa
- Toughness:Â Excellent toughness and impact resistance
- Corrosion resistance:Â Good atmospheric corrosion resistance, and resistant in marine and freshwater environments
- Abrasion resistance:Â Very good abrasion resistance
- Machinability:Â Good machinability and weldability
- Ductility:Â Good ductility, and can be bent or formed
- Aircraft landing gear
- Engine components
- Rocket motor cases
- Automotive drive shafts
- Fasteners
- Drill collars
- Pressure vessels
- Ordnance hardware
Forms Bars, Forgings, Mechanical tubing, and Forging stock.Â
- Meets ASTM International Standards, including ASTM-A322, ASTM-A304, ASTM-A108, AMS-2301, AMS-S-5000, and EN10204
- Heat-treatable, with case hardening being particularly suitable
