Iron and Steel Act 1982

6 The production, with or without heat, of iron or steel forgings, but not including—

(a) smiths' hand forging ;

(b) the production of bolts, nuts, screws, rivets or springs ;

(c) drop forging or any other stamping or pressing involving the use either of a die conforming to the shape of the final product of the stamping or pressing, or of a series of dies one of which so conforms ;

(d) the hammering or pressing of any part or component of plant or machinery carried out incidentally to, and by the persons engaged in, the manufacture or repair of the plant or machinery in which the part or component is to be incorporated.