NAK 80 from International Mold Steel and Daido Steel is a pre-hardened mold steel (38-42 HRC) designed to be machined 10-15 percent faster than P20 steel. It does not contain sulfur, which enables it to achieve an optical polish that makes it suitable for lens-quality molds. It also is well-suited for EDM work.
According to the companies, the steel offers a uniform hardness and microstructure through to its interior, does not require stress-relieving, and is highly weldable. It is stocked in plate form ranging to 12.75" thick and in rounds from 0.512" to 9.921" in diameter.
Editor's PickMilacron to Consolidate DME's North American Mold Base Operations
On Friday, Milacron informed the employees at the DME Youngwood, Pennsylvania, mold base manufacturing facility that all operations will be moving to DME’s facility in Greenville, Michigan, late this summer.