How to weld API 5L High Strength Pipes X80, X70, X65, X60, X52
The API 5L pipe grades are commonly used in the oil and gas industry. The most common API 5L pipe grades are X42, X46, X52, X60, X 65, X70 and X80. These grade specifications indicate the minimum yield strength of each grade in megapascals (MPA). Grade 42 has a minimum yield strength of 42 Mpa while Grade 80 has a …