1.2085 steel is a corrosion-resistant, martensitic stainless steel in ISO EN 4957 standard, packed with high chromium, making it a top choice for mould, especially those dealing with corrosive plastics. With the sulphur additive, steel 1.2085 is easy to machine and robust and resilient. It’s usually delivered quenched and tempered (Q+T) 280-325 HB.