Bend Test: Cracks should not occur in any part of the sample and opening of weld shall not occur as well.
Guided-bend test: Fracture completely; Reveal any cracks or ruptures in the weld metal longer than 3.
X70 Pipe Specifications For API 5L X70 PSL1 For API 5L X70 PSL2 For API 5L X70 Sour Service Mechanical Properties For X70 PSL1 Fox X70 PSL2 and Sour Serivce API 5L X70 line pipe has high compressive strength, compatible with super low temperature environment with excellent weldability.
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