Download a pdf version of this data sheet for printing and future reference. (right click and select save to disk) Chrome Plated Bar Interlloy Grade Nearest Related Specification Typical Composition (%) & Properties Description & Applications C Si Mn Cr Mo  K1045 AS1442-1045 SAE1045 BS970-080A47 0.45% 0.23% 0.80%     Chrome plated medium carbon steel used for the manufacture of cylinder rods K1045 Induction Hardened AS1442-1045 SAE1045 BS970-080A47 0.45% 0.23% 0.80%     Induction Hardened Chrome plated medium carbon steel for manufacture of impact resistance cylinder rods. 4140 AS2506-4140 AS1444-4140 SAE4140 BS970-709M40 0.41% 0.30% 0.85% 1.00% 0.20% High Tensile grade of Chrome plated bar for manufacture of highly stressed cylinder rods. Interlloy believes the information provided is accurate and reliable. However no warranty of accuracy, completeness or reliability is given, nor will any responsibility be taken for errors or omissions.