Nā paipu wiliwili ʻia no ka laina kinoea ma lalo o ka honua
ʻO nā paipu wiliwili ʻiahe mea nui i ka ʻoihana, ʻoi aku ka nui o ke kūkulu ʻana i nā paipu hoʻouna ʻaila a me ke kinoea.Hōʻike ʻia kā lākou mau kikoʻī i ke anawaena o waho a me ka mānoanoa o ka paia, e hōʻike ana i ko lākou versatility a me ka hoʻololi ʻana i nā ʻano koi pipi.
Kūlana | Papa kila | haku mele | Nā waiwai tensile | ʻO ka hoʻāʻo ʻana o Charpy Impact a me Drop Weight Tear Test | ||||||||||||||
C | Si | Mn | P | S | V | Nb | Ti | CEV4)(%) | Rt0.5 Mpa Hua ikaika | Rm Mpa Ikaika Tensile | Rt0.5/ Rm | (L0=5.65 √ S0 )Hooloihi A% | ||||||
max | max | max | max | max | max | max | max | 'ē aʻe | max | min | max | min | max | max | min | |||
L245MB | 0.22 | 0.45 | 1.2 | 0.025 | 0.15 | 0.05 | 0.05 | 0.04 | 1) | 0.4 | 245 | 450 | 415 | 760 | 0.93 | 22 | ʻO ka hoʻāʻo ʻana i ka hopena Charpy: E hoʻāʻo ʻia ka hopena o ka ikehu o ke kino paipu a me ka weld seam e like me ka mea i koi ʻia ma ke kūlana kumu.No nā kikoʻī, e ʻike i ke kūlana kumu.Hoʻāʻo waimaka kaumaha kaumaha: Wahi ʻāhi koho | |
GB/T9711-2011(PSL2) | L290MB | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.4 | 290 | 495 | 415 | 21 | |||
L320MB | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.41 | 320 | 500 | 430 | 21 | ||||
L360MB | 0.22 | 0.45 | 1.4 | 0.025 | 0.015 | 1) | 0.41 | 360 | 530 | 460 | 20 | |||||||
L390MB | 0.22 | 0.45 | 1.4 | 0.025 | 0.15 | 1) | 0.41 | 390 | 545 | 490 | 20 | |||||||
L415MB | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | 1)2)3 | 0.42 | 415 | 565 | 520 | 18 | |||||||
L450MB | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | 1)2)3 | 0.43 | 450 | 600 | 535 | 18 | |||||||
L485MB | 0.12 | 0.45 | 1.7 | 0.025 | 0.015 | 1)2)3 | 0.43 | 485 | 635 | 570 | 18 | |||||||
L555MB | 0.12 | 0.45 | 1.85 | 0.025 | 0.015 | 1)2)3 | Kūkākūkā | 555 | 705 | 625 | 825 | 0.95 | 18 | |||||
Nānā: | ||||||||||||||||||
1)0.015 ≤ Altot < 0.060;N ≤ 0.012;AI—N ≥ 2—1;Cu ≤ 0.25;Ni ≤ 0.30;Cr ≤ 0.30;Cr ≤ 0.30; | ||||||||||||||||||
2)V+Nb+Ti ≤ 0.015% | ||||||||||||||||||
3)No nā māka kila a pau, hiki iā Mo ≤ 0.35%, ma lalo o kahi ʻaelike. | ||||||||||||||||||
4)CEV=C+ Mn/6 + (Cr+Mo+V)/5 + (Cu+Ni)/5 |
ʻO ke kaʻina hana o ka spiral welded pipe e pili ana i ka hoʻohana ʻana i ka ʻenehana wili paipu kiʻekiʻe, e hana ana i nā paipu hoʻokahi a ʻelua ʻaoʻao.ʻO kēia mau kaʻina hana welding e hōʻoia i ka lōʻihi loa a me ka hilinaʻi o ka pipeline, hiki ke kū i nā koʻikoʻi olaina kinoea ma lalo o ka honuahoʻoili.
Ma kā mākou hale hana, hōʻoia mākou i kā mākou mau paipu welded spiral e hoʻāʻo i ka hōʻoia ʻana i ka maikaʻi e hōʻoia i ko lākou kūlana kiʻekiʻe.He mea koʻikoʻi ka hoʻokō ʻana o ka paipu welded i nā lula no ka hoʻāʻo hydraulic, ka ikaika tensile a me nā waiwai wili anu.
Hoʻolālā ʻia kā mākou mau paipu spiral welded e ʻoi aku ma mua o nā kūlana ʻoihana a hoʻokō i nā koi koʻikoʻi o nā ʻōnaehana hoʻoili laina kūlohelohe ma lalo o ka honua.Hoʻolālā ʻia lākou e kū i kahi ākea o nā kūlana kaiapuni, e hōʻoia ana i ka lōʻihi o ka lōʻihi a me ka palekana i kekahi noi.
ʻO ka hoʻohana ʻana i nā paipu welded spiral i loko o nā ʻōnaehana kaʻa kaʻa ma lalo o ka honua e hāʻawi i kahi ala kūpono a maikaʻi hoʻi o ka lawe kinoea maoli.ʻO ka paʻa paʻa o ka hana spiral-welded e hōʻoia i ka lawe ʻana i ke kinoea a hōʻemi i ka hopena o ka leakage a i ʻole corrosion i ka manawa, e hāʻawi ana i ka maluhia o ka noʻonoʻo i nā mea hoʻohana a me nā mea hoʻohana hope.
Hoʻopaʻa mākou i ka hāʻawi ʻana i kā mākou mea kūʻai aku i nā huahana kiʻekiʻe loa, a ʻo kā mākou paipu welded spiral he mea hōʻoia i kā mākou kūpaʻa i ka maikaʻi o ka ʻoihana.Hoʻomaka mua mākou i ka lōʻihi, ka hana a me ka palekana o kā mākou huahana, e hōʻoia ana e hoʻokō lākou a ʻoi aku i nā koi koʻikoʻi o nā ʻōnaehana hoʻoili uila kūlohelohe.
I ka hōʻuluʻulu ʻana, ʻo kā mākou mau paipu welded spiral he mea pono loa ia i ka hana ʻana a me ka mālama ʻana i nā ʻōnaehana kaʻa uila ma lalo o ka honua.Me kāna hana ʻoi aku ka maikaʻi, ka hoʻokō ʻana i nā kūlana ʻoihana, a me ka paʻa paʻa ʻole i ka maikaʻi, kūpono kā mākou paipu wiliwili spiral no kēlā me kēia papahana hoʻoili kinoea maoli.E hui pū me mākou e hāʻawi i ka paipu spiral welded kiʻekiʻe loa no kāu pono o ka hoʻouna ʻana i ka pipeline kūlohelohe.