16MnCr5 vs 20MnCr5 — Practical Comparison & Application Guide for Case‑Hardening SteelsAt Dhand Steels, we work with both 16MnCr5 and 20MnCr5 regularly. Both grades are engineered for carburizing, quenching and tempering to produce a hard, wear‑resistant surface over a tough, ductile core. Design and procurement teams choose between them based on small—but important—differences in carbon…