... inchfootmmmm25.4304 .8 Mass lb kg 0.45359Mass/unit length plf kg/m 1. 488 16Mass/unit area psf kg/m24 .88 2 43Mass density pcf kg/m316.0 18 5Force poundkipkipNNkN4.4 48 2244 48. 224.4 48 22Force/unit ... DataStructural steel designer’s handbook / Roger L. Brockenbrough, editor,Frederick S. Merritt, editor.—3rd ed.p. cm.Includes index.ISBN 0-07-0 087 82-21. Building, Iron and steel. 2. Steel, Structural.I. ... steel. 2. Steel, Structural.I. Brockenbrough, R. L. II. Merritt, Frederick S.TA 684 .S79 1994624.1 82 1—dc20 93- 380 88 CIPCopyright᭧ 1999, 1994, 1972 by McGraw-Hill, Inc. All rights reserved.Printed...