API 5L grade B oil line pipe properties

API 5L grade B petroleum line pipe has good high temperature mechanical properties. It can be used in the environment of 300 ℃ ~ 350 °C and 1000 ~ 1500 meters deep well.
API 5L grade B oil line pipe has good flaring performance: the thickened end of the inner tube is flared without wrinkles and cracks.

API 5L grade B oil line pipe has good welding performance: Ceq <0.6%, no welding cracks, good organization after welding, ΔHRC <= 5.

Mechanical performance requirements:
Yield strength: ≥245Mpa
Tensile strength: ≥415Mpa
Tensile strength of welded steel pipe: ≥415Mpa
Elongation: ≥1940* AXC0.2/4150.9 where AXC is the cross-sectional area of the tensile specimen