EN8D grade steel: EN8D grade metallic is a medium carbon metallic providing moderate tensile strengths. The metal is capable of  hardening,quenching and tempering on confined sections,but is extra usually furnished within the untreated or normalized condition.  Difference between EN8 and EN8D material: EN8 is through-hardened medium carbon metallic. It used to fabricate parts together with axles, shafts, gears, studs, bolts … Continue reading EN8D GRADE STEEL