Module 2 — Materials and their behaviour during welding

Module 2 deals with welding metallurgy: structure of metals, mechanical testing, non-alloy, alloy and stainless steels, weld metal and heat-affected zone, heat treatment, creep, corrosion, wear, cast irons, copper, nickel, aluminium, titanium and the joining of dissimilar materials.

Sub-modules

• 2.1 Constitution and structure of metals41
• 2.2 Basics of mechanical testing6
• 2.3 Non-alloy and low-alloy steels43
• 2.4 Stainless steels7
• 2.5 Weldability and welding metallurgy2
• 2.6 Thermal effects of welding10
• 2.7 Heat-affected zone8
• 2.8 Weld metal (fusion zone)10
• 2.9 Weldability of non-alloy and low-alloy steels77
• 2.10 Weldability of stainless steels29
• 2.11 Heat treatment of welds7
• 2.12 Manganese steels and ultra-high-strength steels1
• 2.13 Creep and creep-resistant steels24
• 2.14 Steels for low temperatures10
• 2.15 Corrosion15
• 2.16 Wear and protective coatings10
• 2.17 Cast irons and cast steels19
• 2.18 Copper and copper alloys13
• 2.19 Nickel and nickel alloys6
• 2.20 Aluminium and aluminium alloys24
• 2.21 Titanium and other metals9
• 2.22 Joining of dissimilar materials17
• 2.23 Testing of materials and welded joints3

Practise module 2