GB/T 18442.4-2011 Translated English of Chinese Standard. (GBT 18442.4-2011, GB/T18442.4-2011, GBT18442.4-2011): Static Vacuum Insulated Cryogenic Pressure Vessel - Part 4: Fabricationhttps://www.chinesestandard.net, 08.12.2018 - 29 Seiten This part specifies the basic fabrication requirements of Static Vacuum Insulated Cryogenic Pressure Vessel. The application scope in this part is the same as that in part 1 of this standard. |
Inhalt
Foreword | 5 |
Terms and Definitions | 6 |
General Requirements | 7 |
Material Preparation | 8 |
Cold and Hot Forming | 9 |
Fabrication Requirements | 10 |
Welding | 15 |
Product Weld Test Plate | 19 |
Cleaning and Assembling | 20 |
Helium Mass Spectrum Leak Detection | 21 |
Nondestructive Testing | 23 |
Coating and Appearance Quality | 25 |
Mark and Sign | 26 |
Delivery Documents | 27 |
Delivery Conditions | 28 |
Häufige Begriffe und Wortgruppen
arc transition austenitic base material butt joint butt misalignment butt weld carried out according Category A joint Corner Angle Cryogenic Pressure Vessel cylinder cylindrical section design drawing emergency shutoff device equal to 250mm fabrication organization Figure flange flight diffraction technique following requirements GB/T greater heat conductivity coefficient helium mass spectrometer helium mass spectrum impulse reflection method inner vessel inspection installed Insulated Cryogenic Pressure internal surface joints for connection lower than Grade mass spectrum leak meet the requirements nameplate needle valve non-destructive testing outer shell penetrant testing photoresist pipeline Pressure Equipment pressure test pressure units product weld test qualification grade radiographic testing radius reinforcement panel repair welding requirements of NB/T safety accessories spectrum leak detection stainless steel Static Vacuum Insulated steel plates Testing JB/T testing of impulse Testing of Pressure tie bar tightness test ultrasonic testing Vacuum Insulated Cryogenic vacuum interspace weld test plate welded joints include welder Welding process qualification