Difference Between API 5L and A 106 GR.B Pipes
Re: Difference Between API 5L and A 106 GR.B Pipes. 12/18/2007 11:20 PM. Grade 1 (ASTM A252) Minimum Yield Strength: 30,000 psi Maximum Yield Strength: None Minimum Tensile Strength: 50,000 psi Notes: This grade is a …