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What does the variable p stands for
500 stands for the minimum yield stress in N/mm2 . The letter D stands denotes that such bars have higher values of minimum percentage elongation. Along with this the standards have lowered the quantity of S and P values in the bar which are harmful for steels used in construction. Also the value of Carbon percentage has been lowered and the physical properties have been enhanced
It is: 500 = D as a Roman numeral
If: E*I = P Then: I = P/E
Dow is the Dow Jones Industrial Average. It's a stock market index.S and P 500 is Standard and Poor 500. It's afree-float capitalization-weighted index published since 1957 of the prices of 500 large-cap common stocks actively traded in the United States.