Tender For corrigendum : tender for supply of steel plate to gr sma490bw d d - 6mm steel plate (sma 490bw) , 9 mm steel plate (sma 490bw) , 12 mm steel plate (sma 490bw) , 16 mm steel plate (sma 490bw) , 20 mm steel plate (sma 490bw) , 35 mm steel plate (sma 490bw) , 45 mm steel plate (sma 490bw) , 80 mm steel plate (sma 490bw)