⭐ Upgrade to Pro - £19
Unlock all lessons and mock exams to pass Level 2 + Level 3 theory exams.
Upgrade nowProperties of Solid Materials (Metals)
Read through the material below, then test your understanding.
Module Lessons
Scientific Principles
SI Units and Measurement
Properties of Solid Materials (Metals)
Properties of Solid Materials (Plastics & Ceramics)
Mechanical Properties
Corrosion of Metals
Other Forms of Corrosion
Degradation of Plastics
Properties of Liquids (Water)
Properties of Liquids (Others)
Properties of Gases
Temperature and Heat
States of Matter
Sensible and Latent Heat
Conduction and Convection
Radiation and Expansion
Energy, Heat, and Power Calculations
Velocity, Acceleration, and Flow Rate
Force and Pressure
Siphonic Action
Mechanical Principles
Forces in Action
Lesson Overview
Understanding the physical properties and classifications of metals is essential for choosing the correct materials in plumbing and heating systems. This guide covers pure metals, alloys, ferrous and non-ferrous groups, and their performance characteristics.
Learning Objectives
Distinguish between pure metals, alloys, ferrous metals, and non-ferrous metals used in plumbing systems.
Identify the natural ores from which common plumbing metals are extracted.
Compare the key physical properties of metals including density, melting point, thermal conductivity, and linear expansion.
Unlock the full lesson & knowledge check
Get lifetime access to every Level 2 & 3 lesson, 3500+ total questions, and timed City & Guilds mock exams.
Get Pro Access (£19)Already have Pro? Sign in
Interactive City & Guilds Level 2 and Level 3 plumbing lessons, flashcards and mock exams, built for UK students and professionals.
© 2026 PlumbingIQ. All rights reserved.