ʻO API 5L X60 (L415) he paipu lainame ka ikaika hua haʻahaʻa o 60,200 (415 MPa) no ka hoʻohana ʻana i nā ʻōnaehana halihali pipeline i ka ʻoihana aila a me ke kinoea.
X60hiki ke maʻalahi a i ʻole nā ʻano he nui o nā paipu kila welded, maʻamau LSAW (SAWL), SSAW (SAWH), a me ERW.
Ma muli o kona ikaika kiʻekiʻe a me ka lōʻihi, hoʻohana pinepine ʻia ka pipeline X60 no nā pipeline trans-regional lōʻihi a i ʻole nā hana halihali ma o nā ʻāina paʻakikī a me nā wahi koi ʻē aʻe.
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
Ma muli o nā kūlana hoʻopuka a me ka pae PSL, hiki ke hoʻokaʻawale ʻia ka X60 penei:
PSL1: x60 a i ʻole L415;
PSL2: X60N, X60Q, X60M a i ʻole L415N, L415Q, L415M.
N: Hōʻike i ka normalization o ka mea.Ma ka hoʻomehana ʻana i ke kila i kekahi mahana a ukali ʻia e ka hoʻoluʻu ea.E hoʻomaikaʻi i ka microstructure a me nā waiwai mechanical o ke kila a hoʻonui i kona paʻakikī a paʻa.
Q: Kū no ka Quenching and Tempering.ʻO ka hoʻomaʻamaʻa ʻana i ke kila ma ka hoʻomehana ʻana iā ia i kahi mahana, hoʻomālili koke iā ia, a laila hoʻomehana hou iā ia i kahi wela haʻahaʻa.No ka loaʻa ʻana o ke koena o nā ʻano mīkini kikoʻī, e like me ka ikaika kiʻekiʻe a me ka paʻakikī.
M: Hōʻike i ka lapaʻau thermo-mechanical.ʻO kahi hui o ka mālama wela a me ka mīkini e hoʻonui i ka microstructure a me nā waiwai o ke kila.Hiki ke hoʻonui i ka ikaika a me ka paʻakikī o ke kila me ka mālamaʻana i nā waiwai wili maikaʻi.
API 5L X60 Kaʻina Hana Hana
ʻAe ʻia ke kaʻina hana hana ʻenehana no X60
Inā ʻike ʻoe i kēia mau pōkole paʻakikī e hoʻomaopopo, e nānā i kā mākou hui ʻana o nā ʻatikala manā pōkole maʻamau no nā paipu kila.
Nā pono o SAWL (LSAW)
Inā 'oe makemake nui anawaena manoanoa paia paipu kila, ka mua kohoSAWL (LSAW) ka paipu kila. Hiki ke hanaʻia ka paipu kila LSAW i nā nui a hiki i ka 1500mm ke anawaena a me ka 80mm i ka mānoanoa o ka paia, hiki ke hoʻokō pono i nā pono o nā pipeline lōʻihi no nā papahana nui.
Eia kekahi, i ka wā o ke kaʻina hana, hoʻohana ka paipu kila LSAW i ʻelua ʻaoʻao submerged arc welding (DSAW) ka hana, e hōʻoiaʻiʻo ana i ka maikaʻi o ka weld seam.
API 5L X60 Hoʻohui Kimia
ʻOi aku ka maʻalahi o ka PSL1 ma mua o ka PSL2 ma ke ʻano o ka haku mele, nā waiwai mechanical, a me nā koi ʻē aʻe.
ʻO kēia no ka meaPSL1hōʻike i ka pae maʻamau o ka maikaʻi no ka paipu kila pipeline, ʻoiaiPSL2hiki ke ʻike ʻia ma ke ʻano he mana hou o PSL1, e hāʻawi ana i nā kikoʻī kiʻekiʻe aʻe a me ka mana ʻoi aku ka maikaʻi.
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 X60 Mea Mechanical
Na Waiwai Tensile
ʻO ka hoʻāʻo tensile kahi papahana hoʻokolohua koʻikoʻi no ka loiloi ʻana i nā waiwai mechanical o nā paipu kila.Hiki i kēia ho'āʻo ke hoʻoholo i nā ʻāpana koʻikoʻi o ka mea, me kahua ikaika, ikaika tensile, a eka lōʻihi.
PSL1 X60 Tensile Waiwai
PSL2 X60 Tensile Pono
Nānā: Hōʻike ʻia nā koi ma ka ʻāpana Mechanical Properties oAPI 5L X52, hiki ke ʻike ʻia ma ke kaomi ʻana i ka poli polū inā makemake ʻoe.
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
API 5L Paipu Papa Papa Hana
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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.
He aha ka X60 Steel Equivalent?
He aha ka ʻokoʻa ma waena o API 5L X60 a me X65?
