TWI Training News Feed
TWI Technical Posters
TWI has updated 7 of its technical posters covering a common range of practices surrounding the welding process.

Individual posters are priced at £15 (exc VAT and P&P) or the full set of 7 posters at £90 (exc VAT and P&P).

Metallography of heat-affected zones in carbon-manganese steels Metallography of heat-affected zones in carbon-manganese steels

A guide to the appearance of welded joints under the microscope. Details: Colour, 840 x 596mm (A1), Laminated

Quality assurance in welded fabrication Quality assurance in welded fabrication
Lists major operations which must be monitored in quality assurance of fabrication by welding and important aspects when considering good quality fabrication. Covers : design/control, procurement, welding, inspection, documentation, audit and appraisal, training and certification, standards. Details: Colour, 840 x 596mm (A1), Laminated

Visual inspection of welded joints Visual inspection of welded joints
Describes the visual inspection of the joint after welding with particular reference to arc welded joints in steel. Covers: inspection specification, identification of joint, initial checks, joint measurement, bead measurement, appearance, assessment, report. Details: Colour, 840 x 596mm (A1), Laminated

Introduction to welding processes - 1 Introduction to welding processes - 1
Outlines the essential features of the processes in common use for welding metals. Covers: manual metal arc/shielded metal arc, submerged-arc, gas-shielded metal arc/metal inert gas, gas-shielded tungsten arc/tungsten inert gas, plasma arc, electroslag, stud, gas. Details: Colour, 840 x 596mm (A1), Laminated

Introduction to welding processes - 2 Introduction to welding processes - 2
Outlines the essential features of the processes in common use for welding metals. Covers: flash, friction, resistance spot, resistance seam, projection, electron beam, laser, magnetically impelled arc butt. Details: Colour, 840 x 596mm (A1), Laminated

Safe working with arc welding Safe working with arc welding
Illustrates safe and unsafe working environments. Covers: fumes and gases, electric-shock, fire and explosion, gas cylinders, mechanical hazards, arcs, welding in an enclosed space, hot metal. Details: Colour, 840 x 596mm (A1), Laminated

Safe working with gas cutting and welding Safe working with gas cutting and welding
A companion to that on arc welding safety. Highlights the important precautions necessary when working with thermal gas processes for cutting and welding. Covers: oxygen enrichment, welding in an enclosed space, equipment fire and explosion, gas cylinders, mechanical hazards, fumes and gases, radiated light and heat, noise, hot metal. Details: Colour, 840 x 596mm (A1), Laminated