Surgical stainless steel Surgical stainless steel Surgical stainless steel is a grade of stainless steel used in biomedical applications. The most common "surgical steels" are austenitic 316 stainless and martensitic 440 and 420 stainless steels. There is no formal definition on what constitutes a "surgical stainless steel", so product manufacturers and distributors apply the term to refer to any grade of corrosion resistant steel. 316 stainless steel, also referred to as marine grade stainless steel, is a chromium, nickel, molybdenum alloy of steel that exhibits relatively good strength and corrosion resistance. Along with the titanium alloy Ti6Al4V, 316 stainless is a common choice
New South Wales stainless steel carriage stock New South Wales stainless steel carriage stock The New South Wales stainless steel carriage stock was a type of passenger carriage operated by the New South Wales Government Railways from 1961 until 1993. These carriages were mainly used on interstate trains such as the Southern Aurora, which ran between Sydney and Melbourne, its slower counterpart the Spirit of Progress and the Brisbane Limited. They were also used on the Gold Coast Motorail to Murwillumbah. With the demise of locomotive-hauled trains, the majority of the carriages passed to the Australian Railway Historical Society, Canberra and New South Wales Rail Transport Museum