Iron And Steel (Output) Mr. Austin Mitchell asked the Secretary of State for Industry, further to his reply dated 8 April, Official Report, c. 480–81, concerning the output of the iron and steel industry, whether he will publish figures showing output in May 1979 and December 1981, or the appropriate quarter, in terms of 1975 prices. Mr. Butcher The index of production for iron and steel and steel tubes*, seasonally adjusted, 1975=100, was 116 in the second quarter of 1979 and 87 in the fourth quarter of 1981. * Minimum List Headings 311 and 312 of the standard industrial classification.