p20 plastic mold steel

718H 300MM Diameter Hardness 32-38HRC Hot Rolled Round Bar

Hot rolled 718H steel round bar hardness 32-38HRC 1.2738 steel is a vacuum-melting chromium-nickel-molybdenum alloy steel that has been hardened and tempered before it leaves the factory. It offers the following advantages: No risk of quench cracking and heat treatment; no need for heat treatment; shorten the cycle time; Cost (for example, without overseas Chinese is deformation); easy to amend the mold; nitriding and surface hardening can be applied to improve the mold