Kแปน thuแบญt

๐–๐ก๐š๐ญ ๐š๐ซ๐ž ๐‘ท-๐‘ต๐’–๐’Ž๐’ƒ๐’†๐’“, ๐‘ญ ๐‘ต๐’–๐’Ž๐’ƒ๐’†๐’“, ๐’‚๐’๐’… ๐’ƒ๐’†๐’“? ๐‘ฉ๐‘จ๐‘บ๐‘ฌ ๐‘ด๐‘ฌ๐‘ป๐‘จ๐‘ณ ๐‘ฎ๐‘น๐‘ถ๐‘ผ๐‘ท๐‘ฐ๐‘ต๐‘ฎ:

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๐–๐ก๐š๐ญ ๐š๐ซ๐ž ๐‘ท-๐‘ต๐’–๐’Ž๐’ƒ๐’†๐’“, ๐‘ญ ๐‘ต๐’–๐’Ž๐’ƒ๐’†๐’“, ๐’‚๐’๐’… ๐’ƒ๐’†๐’“? ๐‘ฉ๐‘จ๐‘บ๐‘ฌ ๐‘ด๐‘ฌ๐‘ป๐‘จ๐‘ณ ๐‘ฎ๐‘น๐‘ถ๐‘ผ๐‘ท๐‘ฐ๐‘ต๐‘ฎ:
ฤแป‘i vแป›i kim loแบกi cฦก bแบฃn, ASME ฤ‘รฃ chแป‰ ฤ‘แป‹nh hai hแป‡ thแป‘ng sแป‘, ฤ‘รณ lร ;
– Sแป‘ P
– Nhรณm vแบญt tฦฐ
Mแปฅc ฤ‘รญch chรญnh cแปงa viแป‡c แบฅn ฤ‘แป‹nh hแป‡ thแป‘ng sแป‘ nร y lร  ฤ‘แปƒ giแบฃm sแป‘ lฦฐแปฃng hแป“ sฦก thแบฉm ฤ‘แป‹nh quy trรฌnh (PQR).
Nhรณm vแบญt tฦฐ lร  tแบญp hแปฃp con cแปงa sแป‘ ‘P’ vร  ฤ‘ฦฐแปฃc gรกn cho kim loแบกi mร u. Sแป‘ P lร  nhรณm kim loแบกi cฦก bแบฃn cรณ khแบฃ nฤƒng hร n, hรณa hแปc vร  ฤ‘แป™ bแปn tฦฐฦกng tแปฑ nhau.
๐™๐™„๐™‡๐™‡๐™€๐™ ๐™ˆ๐™€๐™๐˜ผ๐™‡ (๐™€๐™‡๐™€๐˜พ๐™๐™๐™Š๐˜ฟ๐™€/๐™’๐™€๐™‡๐˜ฟ๐™„๐™‰๐™‚ ๐™๐™Š ๐˜ฟ) ๐™‚๐™๐™Š๐™๐™‹๐™„๐™‰๐™‚: ฤแป‘i vแป›i vแบญt liแป‡u hร n, hแป‡ thแป‘ng sแป‘ ฤ‘ฦฐแปฃc แบฅn ฤ‘แป‹nh nhฦฐ sau;
– Sแป‘ F
– Sแป‘ A
Sแป‘ F: Nhรณm sแป‘ F (ฤ‘แป‘i vแป›i vแบญt liแป‡u hร n) ฤ‘ฦฐแปฃc thแปฑc hiแป‡n ฤ‘แปƒ giแบฃm sแป‘ lฦฐแปฃng thรดng sแป‘ kแปน thuแบญt quy trรฌnh hร n (WPS) vร  trรฌnh ฤ‘แป™ hiแป‡u suแบฅt cแปงa thแปฃ hร n. Sแป‘ F lร  nhรณm kim loแบกi phแปฅ hoแบทc ฤ‘iแป‡n cแปฑc cรณ ฤ‘แบทc tรญnh hร n tฦฐฦกng tแปฑ.
Sแป‘ A: Mแป™t loแบกi nhรณm khรกc cho kim loแบกi phแปฅ hoแบทc que hร n lร  Sแป‘ ‘A’. Viแป‡c phรขn nhรณm sแป‘ โ€˜Aโ€™ ฤ‘ฦฐแปฃc thแปฑc hiแป‡n trรชn cฦก sแปŸ thร nh phแบงn hรณa hแปc cแปงa kim loแบกi mแป‘i hร n lแบฏng ฤ‘แปng. ฤiแปu nร y cรณ thแปƒ ฤ‘ฦฐแปฃc tรฌm thแบฅy trong ASME BPVC Phแบงn IX, Bแบฃng โ€“ QW-442).
Tham khแบฃo: https://lnkd.in/e7FWMmpz
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