Job Description (JD)
| Nama Program | OPERASI TEKNOLOGI KIMPALAN ARKA [C259-008-3:2025] |
|---|---|
| Kod CU | C259-008-3:2025-E01 |
| Competency | Elektif |
| Tajuk CU | Perform SMAW 6GR butt welding (carbon steel) |
| Penerangan CU | Perform SMAW 6GR butt welding (carbon steel) describes the competency in specialized SMAW welding position particularly in critical structural applications. This method presents a significant challenge for welders, as the restrictive ring is intentionally introduced to limit access and manoeuvrability, thereby increasing the difficulty of the welding process. The restrictive ring confines the welder’s working space, requiring careful techniques to maintain proper arc control and heat input while ensuring adequate penetration and fusion at the joint. In this process, a consumable coated electrode is used, which melts during welding to provide both the filler material and necessary shielding from contamination. The complexity of welding in the 6G position, combined with the added challenge presented by the restrictive ring, demands a high level of skill and precision from the welder. The 6GR involves the pipe being positioned at a fixed 45-degree angle, where the welding is performed in an uphill direction. This position combines the complexities of welding in multiple orientations, including overhead, vertical, horizontal, and flat, requiring welders to be adept in various techniques. The unique angle and fixed nature of the joint add significant challenges, as welders must control the weld pool meticulously to avoid issues such as sagging or insufficient fusion. The person who is competent in this CU should be able to carry out SMAW 6GR welding requirements preparation, carry out SMAW 6GR welding and carry out SMAW 6GR visual inspection. The outcome of this CU is the creation of high-quality welds characterized by exceptional structural integrity and uniform, consistent weld beads. In this challenging position, where the pipe is fixed at a 45-degree angle, welders must demonstrate advanced skill and precision as they navigate the complexities of welding in multiple orientations. The SMAW techniques allows for effective management of heat input and weld pool control, ensuring that the welds are free from defects such as cracks and porosities while adhering to industry standards and specifications. The weld metal produced exhibits essential properties, including high tensile strength, good ductility, adequate hardness, and impact toughness, which are critical for the durability and reliability of the welded joints, especially in applications where safety is paramount. Achieving proper fusion and penetration ensures a strong bond with the base metal, vital in a 6GR configuration in accordance with code and standards. |
| Tempoh Latihan | 92 |
| Objektif Pembelajaran | The learning outcomes of this competency are to enable the trainees to perform SMAW process in 6GR butt weld on carbon steel according to approved Welding Procedure Specification (WPS) and work instruction. Upon completion of this competency unit, trainees should be able to: 1. Carry out SMAW 6GR welding requirements preparation. 2. Carry out SMAW 6GR welding. 3. Carry out SMAW 6GR welding inspection. |
| Pra-Syarat | Not Available |