Engineering Steel High Tensile 4140 - Black

Grade Black Bar is a 4140 Grade Engineering Steel containing 1% Chromium – Molybdenum (Chrome-Moly). Referred to as a 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.