Classification of alloy steels
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How are alloy steels classified according to their alloying elements? Is steel with a total alloy content of 5% considered low-alloy steel? From which standard, specification, or work?
Classification 1: Classification by the content of alloying elements 1) Low-alloy steel: The total content of alloying elements is less than or equal to 5%； 2) Medium alloy steel: The total content of alloying elements is between 5% and 10% ； 3) High-alloy steel: Total content of alloying elements is greater than or equal to 10% ； 2. Classified by the type of alloying element, there are chromium steel, manganese steel, chromium-manganese steel, chromium-nickel steel, chromium-nickel-molybdenum steel, silicon-manganese-molybdenum-vanadium steel, etc. 3. Classified by main use: (1) Structural steel: 1) Structural steel for construction and engineering; 2) Structural steel for machinery manufacturing. (2) Tool steel. (3) Steel with special properties. The classification criteria are determined by certain sectors within the industry
It still hasn’t been specified which standard states that an alloy content of less than 5% classifies the steel as low-alloy steel.