api line tube astm a53 gr
api line tube astm a53 gr, API 5L GR. B ERW Steel Pipe HYSP | Steel Pipe SupplierAPI 5L GR. B ERW Steel Pipe is the very common steel grade pipe. Usually for PSL1 Gr. B pipe, it’s used for ordinary application, such as A53 gr.b fluid steel pipes, en10219 structure pipe etc. But there is API 5L SPEC GR.B PSL2 pipe with additional requirements, such as DWT or welding seam impact etc. API 5L Gr. B ERW Steel Pipe PSL2 will be used for some severe environment.