Paipu laina API 5L no na paipu aila
ʻO ka paipu laina API 5L ka hōʻailona o ka maikaʻi ma ka ʻoihana.Hiki i ka pipeline ke pale i nā puʻe kiʻekiʻe a me nā wela wela, e hōʻoiaʻiʻo ana i ka lawe ʻana i ka ʻaila a me ke kinoea kūlohelohe.
Papa 2 Nā Pono Kino Kino a Kimika Nui o nā Paipu kila (GB/T3091-2008, GB/T9711-2011 a me API Spec 5L) | ||||||||||||||
Kūlana | Papa kila | Nā mea hana kemika (%) | Waiwai Tensile | Charpy(V notch)Ho'āʻo Impact | ||||||||||
c | Mn | p | s | Si | 'ē aʻe | Ka ikaika hua(Mpa) | Ikaika U'i(Mpa) | (L0=5.65 √ S0 )min Ka lōʻihi lōʻihi (%)) | ||||||
max | max | max | max | max | min | max | min | max | D ≤ 168.33mm | D > 168.3mm | ||||
GB/T3091 -2008 | Q215A | ≤ 0.15 | 0.25 < 1.20 | 0.045 | 0.050 | 0.35 | Hoʻohui iā Nb\V\Ti e like me GB/T1591-94 | 215 | 335 | 15 | > 31 | |||
Q215B | ≤ 0.15 | 0.25-0.55 | 0.045 | 0.045 | 0.035 | 215 | 335 | 15 | > 31 | |||||
Q235A | ≤ 0.22 | 0.30 < 0.65 | 0.045 | 0.050 | 0.035 | 235 | 375 | 15 | >26 | |||||
Q235B | ≤ 0.20 | 0.30 ≤ 1.80 | 0.045 | 0.045 | 0.035 | 235 | 375 | 15 | >26 | |||||
Q295A | 0.16 | 0.80-1.50 | 0.045 | 0.045 | 0.55 | 295 | 390 | 13 | >23 | |||||
Q295B | 0.16 | 0.80-1.50 | 0.045 | 0.040 | 0.55 | 295 | 390 | 13 | >23 | |||||
Q345A | 0.20 | 1.00-1.60 | 0.045 | 0.045 | 0.55 | 345 | 510 | 13 | >21 | |||||
Q345B | 0.20 | 1.00-1.60 | 0.045 | 0.040 | 0.55 | 345 | 510 | 13 | >21 | |||||
GB/T9711-2011(PSL1) | L175 | 0.21 | 0.60 | 0.030 | 0.030 | Hoʻohui i kekahi o nā mea Nb\V\Ti a i ʻole kekahi hui pū ʻana o ia mau mea | 175 | 310 | 27 | Hiki ke koho ʻia i hoʻokahi a i ʻole ʻelua o ka papa kuhikuhi ikaika o ka ikehu hopena a me ka ʻāpana ʻako.No L555, e nānā i ka maʻamau. | ||||
L210 | 0.22 | 0.90 | 0.030 | 0.030 | 210 | 335 | 25 | |||||||
L245 | 0.26 | 1.20 | 0.030 | 0.030 | 245 | 415 | 21 | |||||||
L290 | 0.26 | 1.30 | 0.030 | 0.030 | 290 | 415 | 21 | |||||||
L320 | 0.26 | 1.40 | 0.030 | 0.030 | 320 | 435 | 20 | |||||||
L360 | 0.26 | 1.40 | 0.030 | 0.030 | 360 | 460 | 19 | |||||||
L390 | 0.26 | 1.40 | 0.030 | 0.030 | 390 | 390 | 18 | |||||||
L415 | 0.26 | 1.40 | 0.030 | 0.030 | 415 | 520 | 17 | |||||||
L450 | 0.26 | 1.45 | 0.030 | 0.030 | 450 | 535 | 17 | |||||||
L485 | 0.26 | 1.65 | 0.030 | 0.030 | 485 | 570 | 16 | |||||||
API 5L (PSL 1) | A25 | 0.21 | 0.60 | 0.030 | 0.030 | No ke kila B, Nb+V ≤ 0.03%; no ke kila ≥ papa B, koho e hoʻohui iā Nb a i ʻole V a i ʻole kā lākou hui ʻana, a me Nb+V+Ti ≤ 0.15% | 172 | 310 | (L0=50.8mm)e helu ʻia e like me kēia ʻano kumu:e=1944·A0 .2/U0 .0 A: ʻAhi o ka laʻana ma mm2 U: ʻO ka ikaika tensile liʻiliʻi ma Mpa | ʻAʻohe a i ʻole a ʻelua paha o ka ikehu hopena a me ka ʻāpana ʻako i koi ʻia ma ke ʻano o ka paʻakikī. | ||||
A | 0.22 | 0.90 | 0.030 | 0.030 | 207 | 331 | ||||||||
B | 0.26 | 1.20 | 0.030 | 0.030 | 241 | 414 | ||||||||
X42 | 0.26 | 1.30 | 0.030 | 0.030 | 290 | 414 | ||||||||
X46 | 0.26 | 1.40 | 0.030 | 0.030 | 317 | 434 | ||||||||
X52 | 0.26 | 1.40 | 0.030 | 0.030 | 359 | 455 | ||||||||
X56 | 0.26 | 1.40 | 0.030 | 0.030 | 386 | 490 | ||||||||
X60 | 0.26 | 1.40 | 0.030 | 0.030 | 414 | 517 | ||||||||
X65 | 0.26 | 1.45 | 0.030 | 0.030 | 448 | 531 | ||||||||
X70 | 0.26 | 1.65 | 0.030 | 0.030 | 483 | 565 |
E like me ka API 5L maʻamau, loaʻa kā mākou mau paipu wiliwili i nā ʻano like ʻole, me ka API 5L X42, API 5L X52 a me API 5L X60.Hōʻike kēia mau hiʻohiʻona i ka ikaika haʻahaʻa haʻahaʻa o ka paipu, e hāʻawi iā ʻoe i ka ʻike piha o kāna hana.Inā makemake ʻoe i ka paipu no kahi pāhana liʻiliʻi a i ʻole ka hana nui, hiki i kā mākou mau hiʻohiʻona like ʻole ke hoʻokō i kāu mau pono āpau.
ʻIke ʻia nā hiʻohiʻona API 5L X42 no kā lākou weldability maikaʻi a me ka ikaika kiʻekiʻe.He kūpono ia no nā papahana e koi ana i ka lawe ʻana i ke kinoea maoli, ka aila, a me nā wai ʻē aʻe.Hāʻawi kēia ʻano hoʻohālike i ke kūpaʻa corrosion kūʻokoʻa a me nā waiwai mechanical e hāʻawi i ka hana lōʻihi, e hōʻoiaʻiʻo ana i ka pono o nā ʻōnaehana hoʻouna ʻaila a me ke kinoea.
No nā papahana e koi ana i ka hana kiʻekiʻe, ʻo ke kumu hoʻohālike API 5L X52 ke koho kūpono loa.Hoʻolālā ʻia ka pipeline e kū i nā kaomi kiʻekiʻe a me nā mahana wela, e hōʻoiaʻiʻo ana i ka lawe ʻana i ka aila a me ke kinoea.ʻO kona ikaika kiʻekiʻe e hiki ai iā ia ke hoʻoponopono i nā kūlana paʻakikī, e hōʻoiaʻiʻo ana i ka holo mālie a me ka pau ʻole.
Lawe ka API 5L X60 i ka hana i ka pae aʻe.Me kona ikaika hua nui a hoʻonui i ka paʻakikī, kūpono ka paipu no ka hoʻohana ʻana i nā wahi koi loa.Hoʻolālā ʻia e lawelawe i nā papahana nui e koi ana i ka lawe ʻana i ka nui o ka aila a me ke kinoea.
ʻO ke koho ʻana i kā mākou paipu laina API 5L ʻo ia ka hoʻopukapuka ʻana i kahi huahana e hōʻoiaʻiʻo i ka maikaʻi a me ka hana.ʻIke ʻia kā mākou kūpaʻa i ka maikaʻi ma nā ʻano āpau o kā mākou pipeline, mai ke kūkulu ʻole ʻia a hiki i ko mākou hiki ke hoʻokō a ʻoi aku i nā kūlana honua.Me kona ikaika kiʻekiʻe a me ka lōʻihi, ʻo kēia huahana e hōʻoia i ka palekana a me ka maikaʻi o ka lawe ʻana i ka aila a me ke kinoea, e hāʻawi iā ʻoe i ka maluhia o ka noʻonoʻo.
I ka pōkole, ua lilo ka paipu laina API 5L i koho hope loa no nā pipelines hoʻouna ʻaila a me ke kinoea me kāna mau hiʻohiʻona waiwai a me ka maikaʻi loa.Ma o ka spiral submerged arc welding, hāʻawi ia i ka ikaika ʻole a me ka lōʻihi.Inā makemake ʻoe i ka paipu no kahi papahana liʻiliʻi a nui paha, ʻo kā mākou spiral welded steel pipe i hana ʻia i nā kūlana API 5L e hōʻoiaʻiʻo i ka hana pono.Hoʻokomo i kā mākou paipu laina API 5L a ʻike i ka ʻokoʻa o ka maikaʻi a me ka hana.