Base Metal Grouping System

Base Metal Grouping System

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,...
Shielded Metal Arc Welding

Shielded Metal Arc 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...
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