GB/T 38682-2020 (English Version) PDF

Scope: This standard specifies the order content, dimensions, weight, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of nickel-iron-chromium alloy welded pipes for fluid transportation. This standard applies to NS1101, NS1102, NS1104 nickel-iron-chromium corrosion-resistant alloy welded pipes for fluid transportation (hereinafter referred to as welded pipes). Among them, the service temperature of NS1101 welded pipe is generally not greater than 590 "C, and the service temperature of NS1102 and NS1104 welded pipe is generally greater than 590 "C.

GB/T 38682-2020 Referenced Document

GB/T 11170 Stainless steel .Determination of multi-element contents.Spark discharge atomic emission spectrometric method (Routine method)
GB/T 2102 Acceptance, packaging, marking and quality certification for steel tubular products*， 2022-10-14 Update
GB/T 223.11 Determination of chromium content in iron, steel and alloy by visual titration or potentiometric titration
GB/T 223.3 Methods for chemical analysis of iron, steel and alloy--The diantipyrylmethane phosphomolybdate gravimetric method for the determination of phosphorus content
GB/T 223.9 Iron,steel and alloy.Determination of aluminium content.Chrome azurol S photometric method
GB/T 37612 Corrosion-resistant alloy wires for welding
GB/T 38682 Welded nickel-iron-chromium alloy pipes for fluid service
GB/T 7735 Automatic eddy current testing for flaws in seamless and welded (except submerged arc welded) steel pipes Amendment No. 1*， 2021-04-30 Update
NB/T 47013.11 Non-destructive testing of pressure equipment Part 11: Radiographic digital imaging testing*， 2023-10-11 Update
NB/T 47013.2 Nondestructive testing of pressure equipments.Part 2: Radiographic testing
NB/T 47013.5 Nondestructive testing of pressure equipments.Part 5: Penetrant testing