Duplex Grades

Some articles on grade:

Types of Stainless Steel
... The most widely used austenite steel is the 304 grade or A2 stainless steel (not to be confused with A2 grade steel, also named Tool steel, a steel) ... The second most common austenite steel is the 316 grade, also called marine grade stainless, used primarily for its increased resistance to corrosion ... Grade 316LVM is preferred where biocompatibility is required (such as body implants and piercings) ...

Famous quotes containing the word grades:

    Kindliness seems to exist primarily as an animal instinct, so deeply rooted that mental degeneracy, which works from the top down, does not destroy it until the mind sinks to the lower grades of idiocy.
    Charles Horton Cooley (1864–1929)