API 5L X70 (L485)he ʻano paipu kila i hoʻohana ʻia i loko o ka ʻoihana ʻaila a me ke kinoea no nā ʻōnaehana halihali pipeline, i kapa ʻia ma muli o kona liʻiliʻiikaika hua o 70,300 psi (485 MPa), a i loko o nā ʻano paipu ʻole a welded a ua māhele ʻia i ʻelua pae kikoʻī huahana, PSL1 a me PSL2.Ma PSL1, ʻo X70 ka papa kiʻekiʻe loa, ʻoiai ma PSL2 kekahi o nā pae kiʻekiʻe o ka paipu kila.
ʻO ka API 5L X70 paipu kila i kūpono i nā koi o ka lōʻihi lōʻihi, ka laweʻana i ke kaomi kiʻekiʻe ma muli o kona ikaika kiʻekiʻe a me ke kū'ēʻana.I mea e pale aku ai i nā kaomi kiʻekiʻe, ua hoʻolālā pinepine ʻia ka paipu kila X70 me nā paia mānoanoa e hōʻoia i ka ikaika a me ka lōʻihi.
Ke kila BotopHe mea hana 'oihana o ka paipu kila LSAW me ka pa manoanoa nui-anawaena elua-aoao i lalo o Kina.
Kahi: Cangzhou City, Hebei Province, Kina;
Ka huina kālā: 500 miliona RMB;
Wahi hale hana: 60,000 square meters;
Ka mana hana makahiki: 200,000 tons o nā paipu kila JCOE LSAW;
Mea lako: Mea hana kiʻekiʻe a me ka hoʻāʻo ʻana;
Kūikawā: LSAW steel pipe production;
Palapala hōʻoia: API 5L hōʻoia.
Nā Kūlana Hoʻouna
ʻO ke kūlana hoʻouna ke kūlana wela a i ʻole ka hana ʻia o kahi paipu kila i ka wā e mākaukau ai e hāʻawi i ka mea kūʻai aku ma hope o ka hana ʻana.Pono ke kūlana o ka hoʻouna ʻana e hōʻoia i ka loaʻa ʻana o ka paipu i nā pono mechanical pono a me ka pololei o ke kūkulu ʻana.
Ma muli o ka pae PSL a me ke kūlana hoʻopuka, hiki ke hoʻokaʻawale ʻia ʻo X70 penei:
PSL1: X70 (L485);
PSL2: X70Q (L485Q) a me X70M (L485M);
ʻO nā huaʻōlelo suffix PSL2 Q a me M no kēlā me kēia:
Q: Ua kinai me ka huhu;
M: Thermomechanical rolled or thermomechanical formed;
API 5L X70 'Apono 'ia o ka hana ana
ʻO ke kaʻina hana X70 ka mea ʻeluamaʻemaʻe a wili ʻianā palapala, hiki ke hoʻokaʻawale ʻia e like me:
ʻO kēia mau mea,SAWL(LSAW) ʻo ia ka hana maʻamau i hoʻohana ʻia i ka hana ʻana o nā kaʻina welded X70 a ʻoi aku ka maikaʻi i ka hana ʻana i ka paipu kila nui-diameter, pā mānoanoa.
ʻOiai ua manaʻo ʻia nā paipu kila maʻemaʻe ma muli o ko lākou mau hiʻohiʻona ma lalo o kekahi mau kūlana koʻikoʻi, ʻo ke anawaena kiʻekiʻe o nā paipu kila seamless i hana ʻia i kaupalena ʻia i 660 mm.Hiki ke pilikia kēia palena nui i ka wā e kū ana me nā papahana pipeline kaʻa lōʻihi lōʻihi.
Ma ka hoʻohālikelike, hiki i ke kaʻina hana LSAW ke hana i nā paipu me nā anawaena a hiki i 1,500 mm a me ka mānoanoa o ka paia a hiki i 80 mm.A ʻoi aku ka maikaʻi o ke kumukūʻai ma mua o ke kila maʻemaʻe.
API 5L X70 Hoʻohui Kimia
Ka Hui Kemika no PSL 1 Paipu me ka t ≤ 25.0 mm (0.984 ini.)
Hoʻohui Kemika no PSL 2 Paipu me ka t ≤ 25.0 mm (0.984 in.)
No nā huahana paipu kila PSL2 i kālailai ʻia me kahimaʻiʻo kalapona o ≤0.12%, ke kalapona like CEpcmhiki ke helu ʻia me ka hoʻohana ʻana i kēia ʻano:
CEpcm= C + Si/30 + Mn/20 + Cu/20 + Ni/60 + Cr/20 + Mo/15 + V/15 + 5B
No nā huahana paipu kila PSL2 i kālailai ʻia me kahimaʻiʻo kalapona > 0.12%, ke kalapona like CEllwhiki ke helu ʻia me ka hoʻohana ʻana i ke kumu ma lalo nei:
CEllw= C + Mn/6 + (Cr + Mo + V)/5 + (Ni +Cu)/15
Ka Hui Kemika me ka t ＞ 25.0 mm (0.984 in.)
E hoʻoholo ʻia ma ke kūkākūkā ʻana a hoʻololi ʻia i kahi haku mele kūpono e pili ana i nā koi hoʻohui kemika ma luna.
API 5L X70 Mea Mechanical
Na Waiwai Tensile
PSL1 X70 U'i Pono
PSL2 X70 Tensile Pono
Nānā: Ua kikoʻī ʻia nā koi maAPI 5L X52, hiki ke nānā ʻia inā pono.
Nā hoʻokolohua Mechanical ʻē aʻe
ʻO ka papahana hoʻokolohua ma hopepili i nā ʻano paipu kila SAW wale nō.
Weld alakai kulou hoao ana;
ʻO ka hoʻāʻo ʻana i ka paʻakikī o ka paipu hoʻoheheʻe anuanu;
ʻO ka nānā ʻana i ka macro o ka wili wili;
a no ka paipu kila PSL2 wale nō: ka ho'āʻo hopena CVN a me ka ho'āʻo DWT.
Hiki ke loaʻa nā mea hoʻāʻo a me nā alapine hoʻāʻo no nā ʻano paipu ʻē aʻe ma ka Papa 17 a me 18 o ka maʻamau API 5L.
Hoʻāʻo Hydrostatic
Manawa Hoao
ʻO nā nui āpau o nā paipu kila maʻemaʻe a welded me D ≤ 457 mm (18 in.):manawa hoao ≥ 5s;
Paipu kila huila D > 457 mm (18 in.):manawa hoao ≥ 10s.
Ka pinepine hoʻokolohua
ʻO kēlā me kēia paipu kilaa ʻaʻohe leaka mai ka weld a i ʻole ke kino paipu i ka wā o ka hoʻāʻo ʻana.
ʻO nā kaomi hoʻāʻo
ʻO ke kaomi hoʻāʻo hydrostatic P o apaipu kila maʻemaʻehiki ke helu ʻia me ka hoʻohana ʻana i ke ʻano.
P = 2St/D
Sʻo ke koʻikoʻi o ka hoop.ua like ka waiwai me ka ikaika hua liʻiliʻi loa o ka paipu kila xa pakeneka, ma MPa (psi);
tʻo ia ka mānoanoa o ka pā i ʻōlelo ʻia, i hōʻike ʻia ma nā millimeters (inches);
Dʻo ia ke anawaena waho i ʻōlelo ʻia, i hōʻike ʻia ma nā millimeters (inihi).
Nānā Hoʻopau ʻole
No nā paipu SAW, ʻelua ala,UT(ka ho'āʻo ultrasonic) a i ʻoleRT(ka ho'āʻo radiographic), hoʻohana maʻamau.
ETʻAʻole pili i nā paipu SAW.
E nānā pono ʻole ʻia nā hili i hoʻopaʻa ʻia ma nā paipu welded o nā māka ≥ L210/A a me nā anawaena ≥ 60.3 mm (2.375 in) no ka mānoanoa piha a me ka lōʻihi (100 %) e like me ka mea i kuhikuhi ʻia.
ʻO ka hoʻokolokolo hoʻopau ʻole ʻo UT
ʻO ka hoʻokolokolo hōʻino ʻole RT
No ka paipu SAW a me COW, e nānā ʻia nā weld e nā ʻano nānā radiographic i loko o ka liʻiliʻi o 200 mm (8.0 in) o kēlā me kēia hopena paipu.in) o kēlā me kēia hopena paipu e nānā ʻia e ka nānā radiographic.
API 5L Paipu Papa Papa Hana
No ka maʻalahi o ka nānā ʻana a me ka hoʻohana ʻana, ua hoʻonohonoho mākou i nā faila PDF kūpono.Hiki iā ʻoe ke hoʻoiho a nānā i kēia mau palapala inā pono.
E wehewehe i ka anawaena o waho a me ka mānoanoa o ka pā
Hāʻawi ʻia nā waiwai maʻamau no nā anawaena waho a me nā mānoanoa pā o ka paipu kilaISO 4200aASME B36.10M.
Nā Manaʻo hoʻomanawanui
Hōʻike ʻia nā koi API 5L no ka hoʻomanawanui dimensionalAPI 5L Papa B.No ka pale ʻana i ka hana hou ʻana, hiki iā ʻoe ke kaomi i ka poli polū e ʻike i nā kikoʻī pili.
Nā hemahema maʻamau a me nā hoʻoponopono
No nā paipu SAW, ʻike pinepine ʻia kēia mau hemahema: nā ʻaoʻao i nibbled, arc burns, delamination, geometric deviations, hard lumps, etc.
ʻO nā hemahema i ʻike ʻia ma ka nānā ʻana e hōʻoia ʻia, hoʻokaʻawale ʻia, a hoʻopau ʻia e like me kēia.
a) ʻO ka hohonu ≤ 0.125t, a ʻaʻole e pili i ka mānoanoa o ka paia i ʻae ʻia o ka hemahema e hoʻoholo ʻia he mau hemahema kūpono a e hoʻopau ʻia e like me nā ʻōlelo o C.1.
b) ʻO nā hemahema > 0.125t i ka hohonu ʻaʻole i pili i ka mānoanoa o ka pā i ʻae ʻia e noʻonoʻo ʻia he mau kīnā a e hoʻoneʻe ʻia ma ke ʻano hou ʻana e like me C.2 a i ʻole e hoʻopau ʻia e like me C.3.
c) E ʻike ʻia kahi kīnā e pili ana i ka mānoanoa liʻiliʻi i ʻae ʻia ma ke ʻano he kīnā a e hoʻopau ʻia e like me C.3.
ʻIke kala
Inā noi ʻia, hiki ke pena ʻia kahi kaha kala ma kahi o 50 mm (2 in.) ke anawaena ma ka ʻili o loko o kēlā me kēia paipu kila e hiki ai ke hoʻokaʻawale maʻalahi i nā mea like ʻole.
| Papa Paipu | Kala pena |
| L320 a i ʻole X46 | ʻeleʻele |
| L360 a i ʻole X52 | ʻōmaʻomaʻo |
| L390 a i ʻole X56 | Polū |
| L415 a i ʻole X60 | ʻulaʻula |
| L450 a i ʻole X65 | Keʻokeʻo |
| L485 a i ʻole X70 | ʻulaʻula-ʻulaʻula |
| L555 a i ʻole X80 | Melemele |
He aha ka X70 Steel Equivalent?
ISO 3183 - L485: He kila pipeline kēia ma lalo o nā kūlana honua a ua like nā waiwai me API 5L X70.
CSA Z245.1 - GR 485: He papa kila keia no ka Ahahui Paeaina Kanaka no na paipu aila a me ke kinoea.
EN 10208-2 - L485MB: He kila pipeline kēia ma lalo o ka European Standard no ka hana ʻana i nā pipelines no ka lawe ʻana i ka aila a me ke kinoea.
Ka uhi ʻana
ʻAʻole mākou e hāʻawi wale aku i kā mākou mea kūʻai aku i nā paipu kila X70 kiʻekiʻe akā hāʻawi pū kekahi i nā ʻano lawelawe uhi e hoʻokō i nā pono kikoʻī o nā papahana like ʻole.
Pena pena: Hāʻawi nā uhi pena kuʻuna i ka pale kumu mai ka ʻinoʻino a kūpono i nā kaiapuni ʻaʻole kiʻekiʻe a i ʻole ka pale manawa.
ka uhi FBE: Hoʻopili ʻia i ka ʻili o ka paipu kila ma ke kaʻina hana hoʻoheheʻe electrostatic a laila hoʻōla ʻia e ka wela.He kemika maikaʻi kēia uhi a me ka pale ʻana i ka abrasion a kūpono i nā paipu ma lalo o lalo a i ʻole lalo o ka wai.
3LPE uhi: Loaʻa i kahi epoxy coating, kahi ʻāpana adhesive, a me kahi papa polyethylene, hāʻawi ia i ka pale ʻana i ka corrosion maikaʻi loa a me ka pale mechanical no kahi ākea o nā ʻōnaehana paipu kaʻa ma lalo o ka honua.
3LPP uhi: E like me 3LPE, ʻo ka uhi ʻana o 3LPP he ʻekolu mau papa, akā hoʻohana ka polypropylene ma ke ʻano o waho.ʻOi aku ka nui o ka pale wela o kēia uhi a kūpono i ka paipu ma nā wahi wela kiʻekiʻe.
Hiki ke koho ʻia nā pale ma muli o ke kaiapuni noi kikoʻī a me nā koi o ka pipeline e hōʻoia i ka hilinaʻi a me ka palekana o nā pipeline API 5L X70 i ka wā lawelawe.
Nā kumu e koho ai iā mākou no ka paipu kila X70
1. API 5L hale hana i hooiaioia: Hoʻopaʻa kā mākou mau hale hana i ka palapala hōʻoia API 5L, e hōʻoiaʻiʻo ana i nā kūlana kiʻekiʻe mai ke kumu a hiki i ka huahana pau me ka uku kumukūʻai.
2. He nui na ano paipu: ʻAʻole mākou he mea hana wale i nā paipu kila i hoʻopiliʻia akā he mea mālama i nā paipu kila maʻemaʻe, a hiki iā mākou ke hāʻawi aku i nāʻano paipu likeʻole e hiki ai ke hoʻokō i nā pono kiko'ī o nā papahana likeʻole.
3. Nā lako kākoʻo piha: Ma waho aʻe o ka paipu kila, hiki iā mākou ke hāʻawi aku i nā flanges, nā kuʻekuʻe lima, a me nā mea kākoʻo ʻē aʻe, e hāʻawi ana i nā hopena kūʻai kū hoʻokahi no kāu papahana.
4. Hana kūikawā: Hiki iā mākou ke hāʻawi i nā hoʻoponopono maʻamau e like me nā pono kiko'ī o ka mea kūʻai, me ka hana a me ka hanaʻana i nā paipu kila me nā kiko'ī kūikawā.
5. Nā lawelawe kūikawā: Mai kona hoʻokumuʻiaʻana i ka makahiki 2014, ua komo ka hui i kekahi mau papahana 'enekinia a hōʻiliʻili i kaʻike waiwai ma kaʻoihana, hiki iā ia ke hoʻolako i nā lawelawe kūikawā a me ke kākoʻo.
6. Pane wikiwiki a kākoʻo: Hiki i kā mākou hui lawelawe ke hāʻawi i ka pane wikiwiki a me ke kākoʻo ʻenehana loea e hōʻoia i ka hoʻoholo ʻana o kāu mau pilikia a me kou mau pono i ka manawa kūpono.
