what do the first 2 digits of the 4 digit aisi steel designation indicate?\nelongation\nhardness\ncarbon…
what do the first 2 digits of the 4 digit aisi steel designation indicate?\nelongation\nhardness\ncarbon content by weight\nyield strength\nalloying elements and percentages
Answer
Brief Explanations:
In the 4 - digit AISI steel designation system, the first two digits are used to indicate the alloying elements and their approximate percentages. For example, in 10xx series, 10 indicates plain carbon steel (with the last two digits indicating carbon content). In 41xx series, 41 indicates a steel with chromium - molybdenum alloying elements. Elongation, hardness, carbon content (last two digits for plain carbon in some cases), and yield strength are not indicated by the first two digits.
Answer:
Alloying elements and percentages