AISI/SAE 4140 Alloy Steel Bar

Product ParametersProduct NameAISI/SAE 4140 Alloy Steel BarStandardEN/DIN/JIS/ASTM/BS/ASME/AISI, etc.Common Round Bar Specifications3.0-50.8 mm, Over 50.8-300mmFlat Steel Common Specifications6.35×12.7mm, 6.35×25.4mm, 12.7×25.4mmHexagon Bar Common SpecificationsAF5.8mm-17mmSquare Bar Common SpecificationsAF2mm-14mm, AF6.35mm, 9.5mm, 12.7mm, 15.98mm, 19.0mm, 25.4mmLength1-6meters, Size Accept CustomDiameter(mm)Hot Rolling Round Bar25-600Cold Rolling Square Bar6-50.8Hot Rolling Square Bar21-54Cold Rolling Hexagon Bar9.5-65Cold Rolling Round bar6-101.6Forged Rebar200-1000Surface ProcessBright, Polished, BlackOther ServicesMachining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc. Chemical CompositionGradeMnSCPSiCrNiAISI 41400.75-1.000.0350.38-0.430.0350.20-0.350.8-1.10.15-0.25 Mechanical PropertiesGradeTensile Strength psiYield Strength psiElongation %Hardness HRCAISI 4140100k80k2018-22 Scope of ApplicationSAE 4140 are widely used in most industrial sectors, with a wide range of applications, such as: adapters, spindles, axles, bolts, crankshafts, connecting rods, chuck bodies, chucks, conveyor belt pins and rollers, ejection pins, forks, gears, Guide rods, hydraulic shafts and parts, lathe spindles, logging parts, milling spindles, motor shafts, nuts, clamping rods, various pins, pins, pump shafts, plungers, sleeve, spindle, sprocket, stud bolt, tool holder, torsion bar, worm, etc.

rcraft exteriors. onshore services, etc.