Does API 5L Gr. B pipe have grades as PSL-1 and PSL-2? If so what is the difference between these two grades? Is that the non-destructive testing requirement changes between these two grades?
In June 1995, in response to a request from RSPA, the American Petroleum Institute (API) organized a task group to revise the specification for line pipe, API Specification 5L, to include minimum toughness requirements. In January 2000, the revised 42nd Edition of API Specification 5L was published. It contains two pipe product specification levels with Product Specification Level 2 (PSL-2) having a required minimum fracture toughness level for new pipe. Safety Recommendation P-95-2 remains "Open-Acceptable Response."
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