Welding Processes Handbook
This explanatory guide to the commercially significant and commonly-used welding processes covers the design of welded joints, quality assurance and costing, and can be applied to all instruction levels.
TABLE OF CONTENTS Welding Processes Handbook
1.2: Terminology
1.2 Terminology
Welding Methods
Definitions of welding processes are given in ISO 857. Reference numbers for the processes are defined in ISO 4063. These numbers are then used on drawings (ISO 2553) or in welding procedure specifications (EN 288) as references.
| Welding method | Reference number |
|---|---|
| Metal-arc welding with coated electrode | 111 |
| Flux-cored wire metal-arc welding without gas shield | 114 |
| Submerged arc welding | 12 |
| MIG welding | 131 |
| MAG welding | 135 |
| MAG welding with flux-cored wire | 136 |
| TIG welding | 141 |
| Plasma arc welding | 15 |
| Oxy-fuel gas welding | 31 |
Basic Terms
Pressure welding. Welding in which sufficient outer force is applied to cause more or less plastic deformation of both the facing surfaces, generally without the addition of filler metal. Usually, but not necessarily, the facing surfaces are heated in order to permit or to facilitate bonding.
Fusion welding. Welding without application of outer force in which the facing surface(s) must be melted. Usually, but not necessarily, molten filler metal is added.
Surfacing. Producing a layer of different metal by welding, e.g. with higher corrosion, abrasion or heat resistance than the parent metal.
Welding procedure specification (WPS). A document specifying the details of the required variables for a specific application in order to assure repeatability (EN 288).
Deposition rate. Amount of metal supplied to the joint per unit time during welding.
Figure 1.5: Schematic presentation of the most common welding methods.
Heat input. The heat input...
Copyright Woodhead Publishing Ltd 2003 under license agreement with Books24x7
