J-55
Definition
American Petroleum Institute Pipe Grade
j-55 means American Petroleum Institute Pipe Grade. API abbreviation for a specific grade of pipe. The letter indicates the metallurgy. The number indicates the strength.
✓ Verified term
American Petroleum Institute Pipe Grade
j-55 means American Petroleum Institute Pipe Grade. API abbreviation for a specific grade of pipe. The letter indicates the metallurgy. The number indicates the strength.