4.000 (4 inch) x 1 inches, 1018 Steel Round Rod, Cold Finished

1018 is a general purpose, low carbon steel, also known as “mild steel”. C1018 has good case hardening properties and excellent machinability. Suitable for shafting and for other applications that do not require the greater strength of an alloy steel.

2″ Diameter X 36″ Length 4140 Cold Finished Annealed Alloy Steel Bar

Also available in a full range of other sizes, Lengths & Surface Conditions Including 4140 HR Annealed, 4140 HR Heat Treated and 4140 TGP Heat Treated. Typical Analysis; Carbon. 38% -.43%, Manganese 0.75-1.00%, Chromium. 80%-1.10%, Molybdenum. 15%-.25% Typical applications include; Spindles, Rods, Shafts, Studs, Axles, Arbors, Gears, Machine Parts, Inexpensive Tooling, Short Run Stamping Dies.