This video by Bob Rasooli describes difference between ASME & ASTM material and ASME Material Specification. Only ASME material can be used on ASME Pressure Vessel. ASME material starts with "SA" but ASTM material with "A". SA 516 is ASME material, and A 516 is ASTM material. A typical exam question on ASME and API SIFE (source inspector fixed equipment) Exam
Link to API SIFE - Source Inspector Fixed Equipment Online Training Course: https://www.inspection-for-industry.c...
Link to ASME Online Training Course: https://www.inspection-for-industry.c...