PartIPincludesrequire- ments for components, design, fabrication, assembly, erection, inspection, examination, and testing of piping. It also contains qualitysystem topics common to the otherparts. ![]() It contains definitions and requirements for materials, welding, brazing, heat treating, forming, testing, inspec- tion, examination, operation, and maintenance. Part GR contains requirements applicable to and referenced byotherparts. This Code is presented in the following parts and appendices: (a) Part GR - General Requirements. The design for pressure and temperature shall be in accordance with the require- ments ofPartIP for industrial pipingand PartPL for pipe- lines. This Code is applicable up to and including the joint connecting the piping to associated pressure vessels and equipment but not to the vessels and equip- mentthemselves.Itisapplicabletothelocationandtypeof support elements but not to the structure to which the support elements are attached. ![]() ![]() GR-1.1 SCOPE This Code is applicable to piping in gaseous and liquid hydrogen service and to pipelines in gaseous hydrogen service. ASME B31.12-2019 pdf download.Hydrogen Piping and Pipelines ASME Code for Pressure Piping, B31.
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