JOINTS EFFICIENCY (E) AND TYPES OF JOINTS
WHAT IS JOINT EFFICIENCY E? a. It is a safety factor for welds. b. It is a compensation for possible weld defects. WHAT FACTORS AFFECT E? It is type of joint, location of joint and amount of RT. HOW DOES JOINT EFFICIENCY AFFECT t min? As E decreases, required thickness increase. HOW IS JOINT EFFICIENCY […]
CHAP V – FABRICATION, ASSEMBLY & ERECTION
WELDING RESPONSIBILITY Each employer is responsible for the welding done by the personnel of his organization and shall conduct the tests required to quality welding procedures and to quality and as necessary re-qualify welders and welding operators. WELDING QUALIFICATIONS Welders and welding operators must be qualified to ASME Section IX, except as modified by B31.3. […]