... , X42, X52, X56, X60, X65, X70, X80 5. Standard: ASME/ANSI, ASTM, DIN, JIS, BS, EN, GB, API 6. Productive Technology: Hoe ... oil, 3PE coating, Epoxy coating. 8. Test: Chemical composition analysis, Mechanical Properties test, Eddy current, hydrostatic, Ultrasonic, Intergranular Corrosion. 9. Applications: Petroleum ...