JIP standards is a product of collaboration of many entities - so I assume there must be a reason for this very conservative approach. In comparison, in JIP33 S-619 Specification for Unfired, Fusion Welded Pressure Vessel (para. 4.1.5), the requirement is more aligned with what I am used to...
JIP33 Specification S-710 (June 2020) Supplementary Requirements to API Standard 661 Air-Cooled Heat Exchangers Para. 10.2.7: "If not specified in the design code, the primary membrane PLUS primary bending stress in any pressure containing component shall not exceed 95% of the material min...
Hello - want to ask your opinion: JIP33 contains the statement that the primary membrane PLUS primary bending stress in any pressure containing component shall not exceed 95% of the material min. yield strength during hydrotest. Is that right? I am used to the requirement for the max. membrane...