by Graham Fry | Feb 27, 2018 | Articles, Job Knowledge, Welding
Types of electrodes and their compositions Many types of manual metal arc (MMA) electrodes are available on the market. Depending on the main constituent of their flux, they are grouped into three categories: cellulosic, rutile and basic. All electrodes consist of a...
by Graham Fry | Feb 27, 2018 | Articles, Job Knowledge, Welding
Introduction When welding procedures or welding performances (welders) are qualified, test pieces are prepared using a specific combination of parent material and consumables. To reduce the number of welding procedures to be qualified for production applications,...
by Graham Fry | Feb 27, 2018 | Articles, Job Knowledge, Welding
Induction heating is the process of heating an electrically conducting object (usually a metal) by electromagnetic induction, through heat generated in the object by eddy currents. An induction heater consists of an electromagnet, and an electronic oscillator that...
by Graham Fry | Feb 27, 2018 | Equipment
The workshop FabCOR 86R Metal Cored Wire Description A metal cored wire with a higher deoxidization elements allow this wire to have greater tolerance for mill scale welding applications. Single and multiple pass applications. High Deposition Rates and...
by Graham Fry | Feb 27, 2018 | Equipment
ESAB Cutmaster 40 is one of the most affordable, highest quality 110V/230V 12mm(1/2”) plasma systems on the market. As part of the TRUE Series, you can rely on the Cutmaster 40 to cut all day at its recommended cutting capacity and to pack more punch when you need it....
by Graham Fry | Nov 27, 2017 | Arc Welding, Articles, Welding
Information and Guidance to FCAW Flux core arc welding (FCAW) was introduced in the 1950’s as an alternative to shielded metal arc welding (SMAW). The advantage of FCAW over SMAW is that the use of the stick electrodes used in SMAW is unnecessary. This helped FCAW to...
by Graham Fry | Nov 27, 2017 | Articles, Job Knowledge, Welding
Shielded metal arc welding (SMAW), also known as manual metal arc welding (MMA or MMAW), or regularly as stick welding is a manual arc welding process that uses a consumable electrode covered with a flux to produce the weld. An electric current, in the form of either...
by Graham Fry | Nov 27, 2017 | Articles, GTAW
History The correct name for TIG welding is Gas Tungsten Arc Welding (GTAW). This is the name that most European and American Welding fabricators refer to on their welding procedures. When GTAW welding was introduced around the 1940’s, Helium gas was the primary...
by Graham Fry | Oct 8, 2017 | Equipment, GMAW
The MIG process is a versatile welding technique which is suitable for both thin sheet and thick section components. It is capable of high productivity but the quality of welds can be called into question. To achieve satisfactory welds, welders must have a good...
by Graham Fry | Oct 8, 2017 | Equipment, GTAW
Using an inert gas shield instead of a slag to protect the weld pool, this technology is a highly attractive alternative to gas and manual metal arc welding and has played a major role in the acceptance of high quality welding in critical applications. ...
by Graham Fry | Oct 8, 2017 | Safety
Fumes are airborne particles small enough to be inhaled and are produced in all welding and cutting operations. They are a mixture of: gases from the surrounding air, shielding gas, metallic elements – from parent metals, coatings and welding fluxes, which are...
by Graham Fry | Oct 8, 2017 | Equipment
A small but stout 15 kg unit, the ESAB Renegade™ ES 300i is a ground-breaking combination of PORTABILITY and POWER. It has the highest power to weight ratio in its class designed to virtually go anywhere on the job site. Renegade ES 300i handles single- and...
by Graham Fry | Sep 25, 2017 | Job Knowledge, Welding
Types of electrodes and their compositions Many types of manual metal arc (MMA) electrodes are available on the market. Depending on the main constituent of their flux, they are grouped into three categories: cellulosic, rutile and basic. All electrodes consist of a...
by Graham Fry | Sep 25, 2017 | Arc Welding, Job Knowledge
To confirm that a weld has been made to specification it is usually required to measure and often document the parameters that have been used. For arc welding the main parameters are as follows: Welding current Arc voltage Travel speed These parameters can be used to...
by Graham Fry | Jul 26, 2017 | Articles
AS/NZS 2885.2 (2016) Revisions AS 2885.2 (2007) has recently been revised and released as AS/NZS 2885.2 (2016) with a number of improvements and changes. The new revision aims to address previous issues and update the standard in accordance with the current state of...
by Graham Fry | Apr 1, 2017 | Equipment
Warrior CC/CV Welder The reliable multi-process welding equipment designed for heavy duty productivity with up to 500 amps delivered. Features Inverter Technology – Warrior brings the outstanding arc performance and energy savings you expect from an inverter. Along...
by Graham Fry | Apr 1, 2017 | Job Knowledge
Following on from Volume 32, discussed here are another set of defects and imperfections that are common in welds. Solidification Cracking A crack may be defined as a local discontinuity produced by a fracture which can arise from the stresses generated...
by Graham Fry | Apr 1, 2017 | Articles
In April 2017, the WTIA (Welding Technology Institute of Australia) recently put out an article in their publication ‘Weld Connect’ which had the heading ‘What is a supervisor?’ The article began with the opening “Most people know what welding supervisors...
by Graham Fry | Mar 1, 2017 | Job Knowledge
Continuing with our collaboration with TWI, the AWI has bought you a further series of Job Knowledge articles. The following articles are all about typical fabrication defects, their possible causes and suggestions of remedies. Incomplete root fusion and...
by Graham Fry | Mar 1, 2017 | Equipment
High productivity for stainless tanks ESAB Shield-Bright cored wires pave the way to speedy quality welding Patent Kft. is a Hungarian company that successfully survived the political and economic transformation by combining quality traditions with an easy acceptance...