Some customer asks, Is 4140 plate an alloy steel plate?

Well, AISI 4140 plate is a steel material containing chromium, molybdenum and manganese containing and it’s low alloy steel. So, yes, 4140 plate is an alloy steel plate. 4140 plate has high fatigue strength, abrasion and impact resistance, toughness, and torsional strength. Alloy steel 4140 plates are widely used for tooling, machine plates, molds, metal stamping, gears, shafts, sprockets, special machine parts, tool & die, shredders, couplings, reamer bodies, screws, flywheel components, axles, shafts, bolts, sprockets, piston rods and rams.