Smithells Light Metals Handbook Episode 1 docx

Smithells Light Metals Handbook... Smithells Light Metals Handbook Edited by E.. No part of this publication may be reproduced in any material form including photocopying or storing in a

Smithells Light Metals Handbook

Smithells Light Metals Handbook

Edited by

E A Brandes CEng, BSc(Lond), ARCS, FIM

and

G B Brook DMet(Sheff), FEng, FIM

Linacre House, Jordan Hill, Oxford OX2 8DP

225 Wildwood Avenue, Woburn, MA 01801-2041

A division of Reed Educational and Professional Publishing Ltd

OXFORD BOSTON JOHANNESBURG

MELBOURNE NEW DELHI SINGAPORE

First published 1998

 Reed Educational and Professional Publishing Ltd 1998

All rights reserved No part of this publication may be reproduced in

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other use of this publication) without the written permission of the

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permission to reproduce any part of this publication should be addressed

to the publishers

British Library Cataloguing in Publication Data

A catalogue record for this book is available from the British Library ISBN 0 7506 3625 4

Library of Congress Cataloguing in Publication Data

A catalogue record for this book is available from the Library of Congress

Typeset by Laser Words, Madras, India

Printed and bound in Great Britain by Hartnolls Ltd, Bodmin, Cornwall

2 General physical properties of light metal alloys and pure light

metals

5

3 Mechanical properties of light metals and alloys 14

vi Contents

4 Smithells Light Metals Handbook

Table 1.3 (continued )

UK

British Standards

(Aerospace series) France AECMA

IMI and Min of Def. AIR-9182, Germany recom- USA USA designation DTD seriesŁ 9183, 9184 BWB series† mendations AMS series‡ ASTM series

IMI 325 T-A3V2.5 3.7194 AMS 4943 ASTM grade 9

4944 IMI 550 BS TA 45 51, 57 T-A4DE 3.7184 Ti-P68

IMI 551 BS TA 39 42

IMI 624 T-A6Zr4 3.7144 AMS 4919,

4971, 4978, 4979

25-27

IMI 680 DTD 5213 T-E11DA

IMI 685 BS TA 43, 44 T-A6ZD 3.7154 Ti-P67

4916 IMI 834 T-A6E

Zr4Nb

ŁUK BS 3531 Part 1 (Metal Implants in Bone Surgery), and Draft British Standard for Lining of Vessels and Equipment for Chemical Processes, Part 9, also refer

†Germany DIN 17850, 17860, 17862, 17863, 17864 (3.7025/35/55/65), and TUV 230-1-68 Group I, II, III and IV also refer

‡USA MIL-T-9011, 9046, 9047, 14577, 46038, 46077, 05-10737 and ASTM B265-69, B338-65, B348-59T, B367-61T B381-61T,

wrought

Coefficient

of Thermal Temp.

Nominal expansion conductivity coeff of Modulus of composition Density 20 100°C 100°C Resistivity resistance elasticity Specification % ConditionŁ g cm 3 10 6K 1 W m 1K 1 µcm 20 100°C MPa ð103

H12

H16 H18

continued overleaf

Table 2.3 (continued)

wrought

Coefficient

of Thermal Temp.

Nominal expansion conductivity coeff of Modulus of composition Density 20 100°C 100°C Resistivity resistance elasticity Specification % ConditionŁ g cm 3 10 6K 1 W m 1K 1 µcm 20 100°C MPa ð103

H16

H111 D Annealed T4 D Solution treated and naturally aged

H12,22 D Quarter hard T6 D Solution treated and artificially aged

H14,24 D Half hard

H16,26 D Three-quarters hard

H18,28 D Hard

RE() 3.4

Zr 0.6

RE() 3.0

Zr 0.6

ZN 2.2

Zr 0.7

RE 1.2

Zr 0.7

RE 2.5

Zr 0.7

Zn 0.5

Zr 0.6

Zn 2.2

Zr 0.7

Th 1.8

Zr 0.7

RE(D) 2.0

Zr 0.6

Ag 1.5

Cu 0.07

Zr 0.7

continued overleaf

Table 2.4 (continued)

Coeff of thermal Nominal Density Melting point expansion Thermal Electrical Specific heat Weldability Relative composition† at 20°C °C 20 200°C conductivity resistivity 20 200°C by argon arc damping Material % Condition g cm 3 Sol Liq. 10 6K 1 W m 1K 1 µcm J kg 1K 1 process‡ capacity§

Cu 2.7

Mn 0.5

Cu 1.3

Mn 0.8

MG Ag RE ŁŁ

Th 1.0

Zr 0.7

T4 Solution heat treated RE Cerium mischmetal containing

approx 50% Ce

welding is involved

† Mg Al type alloys normally

contain 0.2 0.4% Mn to improve

corrosion resistance

RE(D) Mischmetal enriched in neodynium

C Inferior to cast iron but better than Al-base cast alloys

ŁŁThorium containing alloys are

being replaced by alternative Mg

RE() Neodynium + Heavy Rare Earths