supply of ms flat 50x6mm as per is:2062 or latest and ms flat 40 x 6mm confirming to is:2062/2011 or latest. , ms flats 50*6 mm cross sectional area, confirming to is 2062 or latest with grade designation e-250, quality a , with mode of deoxidation -semikilled or killed with is 1730 for dimension and is -1852 for quality tolerance, isi marked, with length of 6 mtrs. [ warranty period: 30 months after the date of delive ry ] ] , ms flat 40 x 6mm confirming to is:2062/2011 or latest grade designation e-250 quality a, mo de of deoxidation - semikilled or killed or material is -1730 for dimension and is - 1852 for quality tolerance isi marked, length not less than 6m. [ warranty period: 30 months after the date of delivery ] ]