Mar 27, 2021(f) Corrosion resistance Halogen-containing plastic material such as polyvinyl chloride (PVC) and polyacetal often releases corrosive gases to damage the mould. The best way is to use corrosion resistant steel, such as S136H, PAK90, etc. In addition, beryllium copper is also a good corrosion resistant steel material.
Aug 25, 2016The most common, middle-of-the-road tool steel is P-20 or similar, which has 28-30 RC hardness. This steel also comes in a high-hard version (38-40 RC), and in lens grade when high surface-finish requirements are needed.
s136 steel pdfs136 steel equivalents136 steel propertiesSome results are removed in response to a notice of local law requirement. For more information, please see here.(plate)S136 Mold Steel 10 Metric Tons (Min. Order) 4Cr13/420 (1.2083)/SUS420/M303/S136 round bar flat bar Plastic mold steel Special steel Tool steel 1.2083