IRON POWDER/OXYPROPANE CUTTING OF STAINLESS STEEL.

By injecting iron powder into an oxypropane cutting torch, Longview Fibre Co. , saves approximately 3,000 on each blow tank target plate replacement. Target plates must be made on stainless steel that is usually 3/4 in. (19 mm) thick and, most of the time. Type 304 or Type 316 is used. The pipe used to blow the pulp at the target plate is 6 in. (152. 4 mm) in diameter and one-half in. (12. 7 mm) thick, made of the same metal.