Codes are mandatory. It is mandated by jurisdiction or the project. You can not violate or ignore a code requirement else, you are not complying with the code. For example, if a pressure vessel is built and stamped as per
When butt welding a pipeline, achieving strenght weld is crucial, a weldment with good penetration. To ensure this, connecting the electrode to the negative pole is essential. This setup generates more heat at the base metal, reducing electrode burn rate
Calibration is crucial in ensuring the accuracy of measuring instruments and equipment. It is recommended that all instruments undergo calibration annually, with some, like the coating thickness tester (DFT), being checked per shift. Radiographic films, for instance, are automatically calibrated
