- Cold Roll
- Hot Roll
- Other Metals
4340 Round Bar Air Melted Steel is commonly accepted as the standard of steel among other ultra high strength steel. 4340 offers high fatigue and creep resistance yet low resistance to stress-corrosion cracking.
Commonly used in structural application, 4340 is weldable, machinable and is heat treatable.
Refer to our "Guide to Carbon" for grades, shapes and various properties.