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States that duplex (austenitic/ferritic) stainless steels offer properties of interest and a cost‐effective material selection solution for plant and equipment in the pulp and paper industry. Reviews characteristics of duplex steels leading to successful long‐term applications of 22 Cr duplex and a copper containing 25 Cr super duplex stainless steel. Concludes that, applied correctly, two‐phase stainless steels can provide long‐term reliable maintenance‐free service in many pulp and paper plant environments.

There are over fifty Faculty, Departmental, and Special Libraries in the University of Cambridge and, as may be imagined, the functions of these libraries vary greatly. There are roughly speaking three main types. The main purpose of the first group is to make books available to undergraduates who are reading for Tripos and other examinations, while that of the second group is to supply the needs of the teaching staff and of research. The third group of libraries caters for the needs of the teaching staff, of research students, and of examination students. It must be borne in mind that this grouping is purely arbitrary, and the reader will find that scientific libraries are in many cases seeking to cater for undergraduates as well as for those engaged in research.