Steel 4140 Steel Round Bar

4140 is a 1% Chromium - Molybdenum (Chrome-Moly) high tensile steel alloy steel bar. A general purpose high tensile steel - used for axles - shafts - high tensile studs and bolts - gears and drilling rods. Generally supplied hardened and tempered. Generally only available in round bars - may use 718 Impax for block and flats. NOTE : Care should be taken with welding of this product - consult a welding specialist prior to welding.