API 5L Papa Bpaipu kila ua hanaia e like me na koi pili oAPI 5La hoʻohana nui ʻia i nā ʻōnaehana kaʻa pipeline i ka ʻoihana aila a me ka ʻenehana.
Papa Bhiki ke kapa ʻia heL245.ʻO ka hiʻohiʻona ʻo ia ka liʻiliʻi loa o ka ikaika o ka paipu kila245 MPa.
Loaʻa ka paipu laina API 5L i ʻelua mau helu kikoʻī huahana:PSL1hoʻohana nui ʻia i nā ʻōnaehana halihali maʻamau, ʻoiaiPSL2kūpono no nā kūlana koʻikoʻi me ka ikaika mechanical kiʻekiʻe a me nā kūlana hoʻāʻo koʻikoʻi.
Hiki ke maʻalahi ke kaʻina hana (SMLS), wiliwili ʻia ke kūpale uila (ERW), a i ʻole i hoʻoheheʻe ʻia ke arc i lalo (SAW) e kūpono i ka hoʻokomo ʻana a me nā pono hana.
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.
API 5L Māhele B
Hoʻokaʻawale ʻia ia i nā ʻano like ʻole e pili ana i nā pae kikoʻī o nā huahana like ʻole (PSL) a me nā kūlana lawe.
ʻO kēia hoʻokaʻawale ʻana i ke koho ʻana i ka paipu laina kūpono e kūpono i nā pono o kahi papahana kikoʻī a me nā koi o ke kaiapuni hana.
PSL1: B.
PSL2: BR;BN;BQ;BM.
Hoʻohana ʻia kekahi mau paipu kila PSL 2 kūikawā no nā wahi lawelawe kūikawā.
Kaiapuni lawelawe awaawa: BNS;BQS;BMS.
Kaiapuni lawelawe waho: BNO;BQO;BMO.
Nā noi e koi ana i ka hiki ke kānana plastic longitudinal: BNP;BQP;BMP.
Nā Kūlana Hoʻouna
| PSL | Kūlana Hoʻouna | Papa Paipu/Papa kila | |
| PSL1 | As-rolled, normalizing rolled, thermomechanical rolled, thermomechanical formed, normalizing formed, normalized, normalized and tempered; aiʻole, ināʻae ʻia, kinai ʻia a hoʻopaʻa ʻia no ka paipu SMLS wale nō | B | L245 |
| PSL 2 | As-rolled | BR | L245R |
| Normalizing rolled, normalizing formed, normalized, or normalized and tempered | BN | L245N | |
| Hoʻopiʻi a huhū | BQ | L245Q | |
| Hoʻokumu ʻia ka thermomechanical a i ʻole ka thermomechanical | BM | L245M | |
ʻO ke kūlana hoʻopuka o ka paipu kila e pili ana i ka mālama wela a i ʻole nā hana ʻē aʻe i hana ʻia ma ka hopena o ke kaʻina hana o ka paipu kila, a he koʻikoʻi ko kēia mau mālama ʻana i nā waiwai mechanical, ka pale ʻana i ka corrosion, a me ke kūpaʻa o ke kūkulu ʻana. paipu kila.
API 5L GR.B Ke Kaʻina Hana Paipu Kinohi
I loko o ka API 5L maʻamau Grade B paipu hiki ke hana me ka hoʻohana 'ana i kekahi o nā kaʻina hana i loko o ka papaʻaina.
| API 5L PSL1 Papa B | SMLS | LFW | HFW | SAWL | SAWH | COWL | COWH |
| API 5L PSL2 Papa B | SMLS | — | HFW | SAWL | SAWH | COWL | COWH |
No ka ʻike hou aku e pili ana i ke ʻano o ka acronym Manufacturing Process,kaomi maanei.
LSAWʻo ia ka hopena maikaʻi loa no nā paipu kila nui me ka pā mānoanoa.
ʻO ka hiʻohiʻona ʻokoʻa i ka nānā ʻana, ʻo ia ka hele ʻana o kahi weld ma ka ʻaoʻao longitudinal o ka paipu.
ʻAno Hoʻopau Paipu
Hiki ke ʻokoʻa nā ʻano hopena o ka paipu kila API 5L Grade B ma PSL1 a me PSL2.
PSL 1 Hoʻopau Pipe kila
Hopena bele; ʻO ka hopena maʻamau;ʻO ka hopena maʻamau no ka hoʻohui kūikawā; ʻO ka hope kaula.
Hopena bele: Ua kaupalena ʻia i nā paipu me D ≤ 219.1 mm (8.625 in) a me t ≤ 3.6 mm (0.141 in) ma ke kumu kumu.
Hoʻopaʻa ʻia: Ua kaupalena ʻia ka paipu hope i ka SMLS a me ka paipu wili wili lōʻihi me D <508 mm (20 in).
PSL 2 Hoʻopau Pipe kila
ʻO ka hopena maʻamau.
No ka pau ʻana o ka paipu maʻemaʻe, pono e hahai ʻia kēia mau koi:
E ʻoki ʻia nā maka hope o t ≤ 3.2 mm (0.125 in) o ka paipu hopena maʻamau.
ʻO nā paipu ākea me ka t > 3.2 mm (0.125 in) e beveled no ka wili.He 30-35° ka huina bevel a he 0.8 - 2.4 mm (0.031 - 0.093 in) ka laula o ke alo kumu o ka bevel.
API 5L Māhele B Mea Kimia
E hoʻoholo ʻia ka hui kemika o PSL1 a me PSL2 paipu kila t > 25.0 mm (0.984 in) ma ka ʻaelike.
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
API 5L Māhele B Mechanical Waiwai
Waiwai Tensile
PSL1 GR.B Na Waiwai Tensile
PSL2 GR.B Na Waiwai Tensile
Nānā: ʻO ka lōʻihi liʻiliʻi i ʻōlelo ʻia, Afe hoʻoholo ʻia e like me ka hoʻohana ʻana i ka hoohalike penei:
Af= C × (Axc0.2/U0.9)
Cʻo 1940 no ka helu ʻana me ka hoʻohana ʻana i nā ʻāpana SI a me 625,000 no ka helu ʻana me nā ʻāpana USC;
Axc ʻo ia ka ʻāpana hoʻāʻo tensile kūpono, i hōʻike ʻia ma nā millimeters square (inches square), penei:
1) no nā ʻāpana hoʻāʻo ʻāpana pōʻai, 130 mm2(0.20 iniha.2) no 12.7 mm (0.500 in.) a me 8.9 mm (0.350 in.) anawaena mau apana hoao;65 mm2(0.10 iniha.2) no 6.4 mm (0.250 in.) nā ʻāpana hoʻāʻo anawaena;
2) no nā ʻāpana hoʻāʻo piha, ʻo ka liʻiliʻi o a) 485 mm2(0.75 iniha.2) a me b) ka ʻāpana keʻa o ka ʻāpana hoʻāʻo, T i loaʻa me ka hoʻohana ʻana i ke anawaena o waho i ʻōlelo ʻia a me ka mānoanoa pā o ka paipu, i hoʻopuni ʻia i ka 10 mm kokoke loa.2(0.01 in.2);
3) no nā ʻāpana hoʻāʻo kāʻei, ʻo ka liʻiliʻi o a) 485 mm2(0.75 iniha.2) a me b) ka ʻāpana keʻa o ka ʻāpana hoʻāʻo, i loaʻa me ka hoʻohana ʻana i ka laula i ʻōlelo ʻia o ka ʻāpana hoʻāʻo a me ka mānoanoa pā o ka paipu, i hoʻopuni ʻia i ka 10 mm kokoke loa.2(0.01 in.2);
Uʻo ia ka ikaika tensile haʻahaʻa i ʻōlelo ʻia, i hōʻike ʻia ma nā megapascals (paona no ka ʻīniha square).
Ho'āʻo Bend
ʻAʻohe wahi o ka specimen e nahā a ʻaʻole nahā ka weld.
Ho'āʻo palahalaha
ʻAʻole pili i ka paipu kila LSAW.
He kūpono noEW, LW, aCWhana ʻana i nā ʻano paipu.
Ho'āʻo alakaʻi-piʻo
E hōʻike i nā māwae a i ʻole nahā i loko o ka metala weld ʻoi aku ka lōʻihi ma mua o 3.2 mm (0.125 in), me ka nānā ʻole i ka hohonu.
E hōʻike i nā māwae a i ʻole nahā paha i loko o ka metala makua, HAZ, a i ʻole laina hui ʻoi aku ka lōʻihi ma mua o 3.2 mm (0.125 in) a i ʻole hohonu ma mua o 12.5 % o ka mānoanoa pā i kuhikuhi ʻia.
ʻO ka hoʻāʻo ʻana i ka hopena CVN no ka PSL 2 Pipe
ʻO CVN (Charpy V-Notch) Hōʻike hopena, kahi ʻano hoʻāʻo maʻamau no ka loiloi ʻana i ka paʻakikī o nā mea i ka wā i hoʻokau ʻia i nā ukana hopena wikiwiki.
E pili ana kēia mau koi i nā māka ≤ X60 a i ʻole L415.
| ʻO ka CVN Absorbed Energy Koi no ka Paipu Kino o PSL 2 Pipe | |
| Hōʻike ʻia i waho ke anawaena D mm (in.) | ʻO ka ikaika piha CVN Absorbed Energy min Kv J (ft.lbf) |
| ≤762 (30) | 27 (20) |
| ＞762 (30) a i 2134 (84) | 40 (30) |
Ho'āʻo DWT no ka PSL 2 Welded Pipe
He ≥ 85 % ka awelika ʻāpana ʻāʻī no ka hoʻāʻo ʻana ma 0 °C (32 °F) wela hoʻāʻo.
No nā paipu me ka mānoanoa o ka pā > 25.4 mm (1 in.), e kūkākūkā ʻia nā koi no ka hoʻāʻo DWT.
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 hoao
ʻO kēlā me kēia paipu kila.
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);
No API 5L Papa B, he 60% ka pākēneka no ke kaomi ho'āʻo maʻamau a me ka 70% no ke kaomi hoʻokolohua koho.
No D <88.9 mm (3.500 in.), ʻaʻole pono e ʻoi aku ke kaomi hoʻāʻo ma mua o 17.0 MPa (2470 psi);
No ka D > 88.9 mm (3.500 in.), ʻaʻole pono e ʻoi aku ke kaomi hoʻāʻo ma mua o 19.0 MPa (2760 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
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
Hoʻomanawanui no ka anawaena a me waho o ka pōʻai
Ua wehewehe ʻia ke anawaena o ka paipu kila e like me ke anapuni o ka paipu i loko o ka mokulele puni honua i puʻunaue ʻia e π.
Hoʻomanawanui no ka mānoanoa o ka pā
Hoʻomanawanui no ka lōʻihi
Nā lōʻihi pilie hāʻawi ʻia i loko o ka hoʻomanawanui o ± 500 mm (20 in.).
Hoʻomanawanui nolōʻihi random
| Hoʻokaʻawale i ka lōʻihi m (ft) | Ka lōʻihi liʻiliʻi m (ft) | Ka lōʻihi maʻamau no kēlā me kēia mea kauoha m (ft) | Ka lōʻihi loa m (ft） |
| Paipu Uila-a-hui | |||
| 6 (20) | 4.88 (16.0) | 5.33 (17.5) | 6.86 (22.5) |
| 9 (30) | 4.11 (13.5) | 8.00 (26.2) | 10.29 (33.8) |
| 12 (40) | 6.71 (22.0) | 10.67 (35.0) | 13.72 (45.0) |
| Paipu Plain-end | |||
| 6 (20) | 2.74 (9.0) | 5.33 (17.5) | 6.86 (22.5) |
| 9 (30) | 4.11 (13.5) | 8.00 (26.2) | 10.29 (33.8) |
| 12 (40) | 4.27 (14.0) | 10.67 (35.0) | 13.72 (45.0) |
| 15 (50) | 5.33 (17.5) | 13.35 (43.8) | 16.76 (55.0) |
| 18 (60) | 6.40 (21.0) | 16.00 (52.5) | 19.81 (65.0) |
| 24 (80) | 8.53 (28.0) | 21.34 (70.0) | 25.91 (85.0) |
Ka hoomanawanui no ka pololei
Hoʻokaʻawale pololei ma luna o kaholoʻokoʻa o ka paipu: ≤ 0.200 L;
ʻO ka hele pololei ʻana o1.5 m (5.0 ft) hope o ka paipu kila: ≤ 3.2mm (0.125 iniha).
Ka hoomanawanui no ka pololei
Ua wehewehe ʻia ka huinahā hope ma ke ʻano he huinahā i ka hopena o ka paipu.
He < 1.6 mm (0.063 in.) ka palena o waho.Ua ana 'ia ka out-of-squareness e like me ke āpau ma waena o ka hopena o ka paipu a me ka wāwae hope paipu.
Hoʻomanawanui no ka Weld Seam
ʻO ka ʻae ʻia ʻo Radial Offset kiʻekiʻe loano ka paipu SAW a me BIPI.
| Mānoanoa Pā i ʻōlelo ʻia t mm (in.) | ʻO ka ʻae ʻia ʻo Radial Offset kiʻekiʻe loaamm (in.) |
| ≤ 15.0 (0.590) | 1.5 (0.060) |
| > 15.0 (0.590) a i 25.0 (0.984) | 0.1t |
| > 25.0 (0.984) | 2.5 (0.098) |
| aHoʻopili pū ʻia kēia mau palena i nā weld weld weld/plate end welds | |
Kiʻekiʻe kiʻekiʻe i ʻae ʻia Weld Bead Kiʻekiʻeno SAW a me COW Pipe (Koe na Pipe Ends).
| Mānoanoa Pā i ʻōlelo ʻia mm (in.) | Weld Bead Kiʻekiʻe mm (in.) maxim | |
| Pepa Kuloko | Pepa waho | |
| ≤13.0 (0.512) | 3.5 (0.138) | 3.5 (0.138) |
| >13.0 (0.512) | 3.5 (0.138) | 4.5 (0.177) |
ʻO ka weld e loaʻa kahi hoʻololi maʻalahi i ka ʻili o ka paipu kila pili.
Pono e wili ʻia nā weld hopena paipu i ka lōʻihi o 100 mm (4.0 in.) me ke koena weld kiʻekiʻe o ≤ 0.5 mm (0.020 in.).
Hoʻomanawanui no ka Mass
ʻO kēlā me kēia paipu kila：
a) no ka paipu nui māmā kūikawā: -5.0% - +10.0%;
b) no ka paipu ma ka Papa L175, L175P, A25, a me A25P: -5.0% - +10.0%;
c) no nā paipu ʻē aʻe a pau: -3.5% - +10.0%.
Paipu no ka nui(≥ 18 tons (20 tons) no ka hailona kauoha):
a) no nā māka L175, L175P, A25, a me A25P: -3.5 %;
b) no nā papa ʻē aʻe a pau: -1.75 %.
API 5L GR.B noi
ʻO API 5L Grade B paipu kila he ʻano o ka paipu laina, i hoʻohana nui ʻia no ka lawe ʻana i nā wai e like me ka aila, ke kinoea maoli, a me ka wai, a ʻo ia kekahi o nā mea maʻamau i hoʻohana ʻia i ka ʻoihana aila a me ke kinoea.
ʻO nā ʻōnaehana hoʻoili ʻaila a me ke kinoea: API 5L Grade B kila paipu hoʻohana maʻamau i loko o ka aila a me ke kinoea kahua unuhi a me ka hooponopono ana i na mea e lawe ai i ka aila a me ke kinoea kinoea i ka ohi 'ana i nā 'ōnaehana a i 'ole ka hana hana.
Paipu wai: Hiki ke hoʻohana ʻia nā lāʻau lapaʻau ʻē aʻe, e like me ka uhi ʻana a i ʻole ka hoʻopaʻa ʻana i mea e hoʻomaikaʻi ai i ko lākou pale ʻana i ka corrosion no ka hoʻohana ʻana i ka lawe ʻana i ka wai, me ka lako wai a me nā ʻōnaehana irrigation.
Nā mea hoʻomaʻemaʻe: I loko o nā hale hoʻoheheʻe, hoʻohana ʻia ka paipu kila API 5L Grade B no ka lawe ʻana i nā ʻano kemika a me nā mea waena i loaʻa mai ka distillation fractional o ka ʻaila ʻaila.
ʻO ke kūkulu ʻana a me ke kūkulu ʻana: Ma ka oihana hana, no ke kukulu ana i na uwapo, na hale kokua, a i ole ia na hana waiwai nui e ae, ma kahi e pono ai ka lawe ana i na wai.
API 5L Papa B like
ASTM A106 Papa B: Hoʻohana pinepine ʻia ka paipu kalapona kalapona ʻole no ka lawelawe wela wela, me ka haku mele a me nā waiwai mechanical like loa me API 5L Grade B. ASTM A106 Grade B ka mea maʻamau i hoʻohana ʻia no ka lawe ʻana i ka mahu wai wela, nā kemika, a me nā huahana ʻaila.
ASTM A53 Papa B: ʻO kēia kekahi ʻano paipu kila kalapona, hiki ke hoʻopaʻa ʻia a i ʻole ka maʻalahi, a hoʻohana nui ʻia i ka mīkini, ke kūkulu ʻana, a me nā noi ʻenehana ʻē aʻe.ʻOiai ua hoʻohana mua ʻia no nā noi haʻahaʻa haʻahaʻa a me ka wela, ua like kekahi o kāna mau ʻāpana waiwai me ka API 5L Grade B.
EN 10208-2 L245NB: Hoʻohana ʻia no ka hana ʻana i nā paipu no ka lawe ʻana i nā kinoea lapalapa a me nā wai ʻē aʻe.ʻO L245NB (1.0457) he kila pipeline ikaika me nā waiwai mechanical e like me API 5L Grade B.
ISO 3183 L245: Hoʻohana ʻia i nā ʻōnaehana kaʻa paipu i ka ʻoihana aila a me ka ʻenehana.L245 ma ISO 3183 kahi kokoke loa i nā waiwai i ka API 5L Grade B a hiki ke hoʻohana pinepine ʻia.
Nā lawelawe hou e hiki iā mākou ke hāʻawi
Ke kila BotopʻAʻole wale ka hāʻawi ʻana i ka paipu kila API 5L Grade B kiʻekiʻe, akā hāʻawi pū kekahi iā ʻoe i kahi ʻano o nā lawelawe kākoʻo, me ka nui o nā koho anti-corrosion coating, nā hoʻonā hoʻopili pilikino, a me ke kākoʻo logistic piha e hōʻoia i hiki iā mākou ke hālāwai me kāu mau ʻano like ʻole. pono.
Kūpaʻa mākou i ka hana ʻana i kahi kahua hoʻokele hoʻokahi e hiki ai iā ʻoe ke komo maʻalahi i nā huahana a me nā lawelawe āu e pono ai.Me kā mākou lawelawe ʻoihana a hilinaʻi, hiki iā ʻoe ke hoʻopau i kēlā me kēia pae o kāu papahana me ka maikaʻi a me ka pilikia ʻole, e hōʻoia i ka maikaʻi a me ka holomua.ʻO kā mākou pahuhopu e lilo i hoa hilinaʻi loa.
ʻAi ʻAi-corrosion
Ke kila Botophāʻawi i kahi ākea o nā koho pale pale corrosion, mepena ʻia, uʻi ʻia,3LPE (HDPE), 3LPP,FBE, a me na mea kaupaona sima, e hoʻokō i nā koi hoʻohana like ʻole o kāu papahana.
kāʻei ʻana
Hāʻawi mākou i nā koho hoʻopili like ʻole, me nā bales, tarps, crates, a me nā pāpale paipu, hiki ke hoʻopili ʻia e hoʻokō i kāu mau pono kikoʻī.
Kākoʻo ʻenehana
Ua kūpaʻa kā mākou hui i ka hāʻawi ʻana i nā lawelawe kākoʻo ʻenehana piha e uhi ana i nā pae āpau o kahi papahana.Mai ka hoʻomākaukau mua ʻana o ka papahana a hiki i ke kūʻai ʻana i waena o ka papahana a me ka hoʻonohonoho ʻana i ka halihali, a i ka mālama ʻana i ka papahana a me ka hoʻoponopono pilikia, hiki i kā mākou hui ʻoihana ke hāʻawi iā ʻoe i nā ʻōlelo aʻoaʻo a me ke kākoʻo.
ʻO kā mākou pahuhopu ke kōkua iā ʻoe e kūʻai i nā huahana kiʻekiʻe a me nā mea kūʻai aku ma Kina, e hōʻoiaʻiʻo ana i ka holo ʻana o kāu papahana me ka maikaʻi.Manaʻo mākou e hana pū me ʻoe e hana i kahi win-win e hiki mai ana.
