On the back of impressive capacity expansion plans and robust earnings growth expectations, Steel Authority of India(SAIL) is poised to outpace its metal sector rivals, including private players Tata Steel and Hindustan Zinc, according to analysts.According to the latest equity research report from Macquarie Research, Indian steel companies are among the most attractively valued scrips with SAIL enjoying the leader status.The report said SAIL is ranked fifth among the 145 Indian stocks under its coverage, and is the top steel stock well above Tata Steel and Jindal Steel and Power.According to data available with Thomson Financial, the company enjoys an average analyst recommendation between buy and strong buy.