COMPANY NEWS
Stud bolt A320 Grade L7 vs. A320 Grade L7M
Stud bolt A320 Grade L7 vs. A320 Grade L7M What is the difference between A320 Grade L7 vs. A320 Grade L7M: What is A320 grade L7 material? ASTM A320 L7 Stud bolt ASTM A320 specification covers alloy steel bolting materials for pressure vessels, valves, flanges, and fittings for low-temperature service. Read more…