From Atoms to Materials

Carbon steel* Properties More corrosion-resistant , much harder, much stronger than iron Uses As building materials, making car bodies iron 99.8% carbon 0.2% Solder* Properties Harder and lower melting point than lead and tin Uses Welding electronic parts together two copper wires welded together solder Other alloys Titanium alloys Properties Harder, stronger, lighter and more corrosion- resistant than titanium Uses Making aircraft engines and sports equipment lead 50% tin 50% titanium 90% (variable proportions) aluminium vanadium iron Iron alloys Stainless steel* Properties Harder, stronger, much more corrosion-resistant than iron Uses Making cooking utensils and surgical tools carbon steel 碳鋼 stainless steel 不鏽鋼 solder 焊錫 iron 70% chromium 20% nickel 10% carbon Animation Iron – from ore to stainless steel 77 13 From Atoms to Materials © United Prime Educational Publishing (HK) Limited 2024 All rights reserved; no part of this publication may be reproduced, photocopied, recorded or otherwise, without the prior written permission of the Publisher. Sample