What are details of 4140 alloy steel ? NameHot rolled black surface steel round bar aisi 4140 alloy steel Features 1, chromium molybdenum alloy steel 2, slightly higher carbon content then 4130 3, greater strength and heat treatment Applications 1, applications in the oil and gas sector 2, connection rods, collets, conveyor pins 3, gears, stem assemblies 4, pump shafts and tool holders Sizes Round bar Diameter(mm) Length(mm) Max 800 Max 9000 Plate Thickness(mm)Width(mm) Length(mm) Max 800 Max 2200 Max 9000 The above is our regular size, we also can provide customized sizes! Packing 20ft: gw 27t; (5.80mx2.13mx2.18m) 40ft: gw 27t; (11.8mx2.13mx2.18m) PriceThe price will change according to the weight of the steel you need. What are the chemical compositions? C Si Mn P S Cr Mo 0.38-0.430.15-0.350.75-1.00Â?¤0.035 Â?¤0.0400.80-1.100.15-0.25
