4140 alloy steel flat bar sizes-Most of flat bar and plate are in hot rolled condition
WHAT IS 4140 STEEL 4140 alloy steel is a chromium molybdenum alloy steel specification widely used in general purpose high tensile steel for components. For example, axles, shafts, bolts, gears, and other applications. Similar to alloy grade AISI 4130 chrome moly alloy steel but with slightly higher carbon content. The higher carbon content of 4140 [...]