Surgical stainless steel of body piercing jewellery and body modification implants. 440 and 420 stainless steels, known also by the name "Cutlery Stainless Steel", are high carbon steels alloyed with chromium. They have very good corrosion resistance compared to other cutlery steels, but their corrosion resistance is inferior to 316 stainless. Biomedical cutting instruments are often made from 440 or 420 stainless due to its high hardness coupled with acceptable corrosion resistance. This type of stainless steel may be slightly magnetic. Surgical stainless steel Surgical stainless steel is a grade of stainless steel used in biomedical applications. The most common "surgical steels" are
The Stainless Steel Rat Law of Robotics", which featured the Stainless Steel Rat in the setting of Isaac Asimov's "Robot" series. "The Return of the Stainless Steel Rat", a board game inspired by the character, was published by SPI in their magazine "Ares" in the late 1970s. Designed by Greg Costikyan, the game involved the Rat infiltrating a space station under hostile control. Angelina diGriz is a criminal mastermind much like the Rat, only less ethical and more willing to kill. As the Rat's first case for the Special Corps, he tracks Angelina down and ends up falling in love with her. After her