Bizsugar Win - Full Write-Up API 5L Gr.B pipes are stemmed from API Spec 5L spec for line pipe, and they appropriate for the transportation of gas, oil and water.API 5L are separated right into 2 item degrees: API 5L PSL1 and also API 5L PSL2.PSL1 is a common top quality for line pipe where PSL2 has extra chemical, mechanical residential or commercial properties, as well as testing requirements.Grades covered by API 5L requir Sat, 03 Apr 2021 13:59:52 UTC en