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Chinese National Standard Category: Chemical equipment

English Title: Welding procedure qualification and welder performance qualification of cladding and internal for high pressure urea equipments
Chinese Title: 尿素高压设备衬里板及内件的焊接工艺评定和焊工技能评定
Standard No.: HG/T 3180-2002
Category No.: G93
Issued by: MIIT
Issued on: 2002-9-28
Implemented on: 2003-6-1
Status: superseded
Superseded by:HG/T 3180-2023 Welding process assessment and welder skill assessment of lining plates and internal parts of urea high-pressure equipment
Superseded on:2024-7-1
Abolished on:
Superseding:HG/T 3180-1988ZB
Word Count:3500 words
Similar Standards: SHS 05022-1992   SHS 03034-1992   SHS 03040-1992   HG/T 2367-2005   SHS 02006-1992   HG/T 3177-1987   JB 1117-1982   HG/T 3173-1999   SHJ 39-1991   SHS 01029-1992   GB/T 17410-2023   GB/T 37795-2019   GB/T 9842-2018   GB/T 37327-2019   GB/T 25151.6-2014   DB12/T 581-2015   GB/T 31201-2014   GB/T 30578-2014   HG/T 4593-2014   HG/T 4592-2014  
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