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Job Knowledge

   
Helpful articles with information about welding processes.

Weldability of Materials - Aluminium Alloys

Characteristics of aluminium alloys are discussed with emphasis on their fusion weldability. Suitable filler metal grades are listed. Causes and...

Mon, 19 October 2015

Weldability of Materials - Carbon Manganese and Low Alloy Steels

Guidance is given on ferritic steel weldability and the causes of weld imperfections: porosity, solidification cracking, hydrogen cracking and reheat...

Mon, 19 October 2015

Weldability of Materials - Cast Irons

Welding of various types of cast iron by oxy-fuel, MMA, MIG and FCA welding processes is discussed with emphasis on...

Mon, 19 October 2015

Weldability of Materials - Copper and Copper Alloys

Weldability of copper and Cu alloys (including brasses, bronzes and cupronickels )is discussed with emphasis on fusion welding and avoidance...

Mon, 22 May 2017

Weldability of Materials - Nickel and Nickel Alloys

Weldability is discussed of nickel and Ni solid solution and precipitation hardening alloys, with causes and avoidance of porosity, oxide...

Mon, 19 October 2015

Weldability of Materials - Stainless Steel

Weldability is discussed for austenitic, ferritic, martensitic and duplex stainless steels, with emphasis on the avoidance of weld imperfections

Mon, 19 October 2015

Weldability of Materials - Titanium and Titanium Alloys

Types of titanium and Ti alloys are described with emphasis on causes and avoidance of weld imperfections: porosity, embrittlement and...

Mon, 19 October 2015

Welding and Joining Process Classification

Process terminology according to European standard, EN 24063:1992 is explained and factors which must be taken into account when choosing...

Mon, 19 October 2015

Welding Consumables - Part 1

An article on welding consumables covering requirements for flux and cellulosic and rutile electrodes

Mon, 19 October 2015

Welding Consumables - Part 2

An article on welding consumables covering requirements for flux and iron powder and acid electrodes. Part II

Mon, 19 October 2015

Welding Consumables - Part 3

An article on welding consumables covering standardisation of composition and mechanical properties

Mon, 19 October 2015

Welding Consumables - Part 4

An article on welding consumables covering requirements for gas shielded MIG/welding. Part 4

Mon, 19 October 2015

Welding Consumables - Part 5

An article on welding consumables covering MIG/MAG and cored carbon steel wires

Mon, 19 October 2015

Welding Costs

Basic outline of estimating arc welding costs

Tue, 20 October 2015

Welding Costs - Continued

An continuation of a Job Knowledge on estimating arc welding costs.

Tue, 20 October 2015

Welding of Austenitic Stainless Steel

An overview of austenitic stainless steel metallurgy and some of the welding problems that may be encountered is given

Tue, 20 October 2015

Welding of Austenitic Stainless Steel - Part 2

Weld filler metal selection, some of the service problems of the austenitic stainless steels and how these may be mitigated...

Tue, 20 October 2015

Welding of Copper Alloys - Brasses and Bronzes

An overview of copper alloys (brasses and bronzes) is given

Tue, 20 October 2015

Welding of Copper and its Alloys - Part 1

Copper alloy weldability is outlined

Tue, 20 October 2015

Welding of Ferritic / Martensitic Stainless Steels

An overview of welding ferritic/martensitic stainless steels is given, including consumables and heat treatment

Tue, 20 October 2015

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