Paipa Raina API 5L mō ngā Paipa Hinu
Ko te paipa raina API 5L te tohu o te hiranga i roto i te umanga. Ka taea e te paipa te tu atu i ngā pēhanga teitei me ngā pāmahana tino kino, kia pai ai te kawe i te hinu me te hau māori.
| Ripanga 2 Ngā Āhuatanga Matua o te Tinana me te Matū o ngā Paipa Rino (GB/T3091-2008, GB/T9711-2011 me te API Spec 5L) | ||||||||||||||
| Paerewa | Te Kaupae Rino | Ngā Kaihanga Matū (%) | Āhuatanga Kume | Whakamātautau Pānga Charpy (V notch) | ||||||||||
| c | Mn | p | s | Si | Ētahi atu | Kaha Tukunga(Mpa) | Kaha Kume (Mpa) | (L0=5.65 √ S0)Te Tere Totoro meneti (%) | ||||||
| mōrahi | mōrahi | mōrahi | mōrahi | mōrahi | meneti | mōrahi | meneti | mōrahi | D ≤ 168.33mm | D > 168.3mm | ||||
| GB/T3091 -2008 | Q215A | ≤ 0.15 | 0.25 < 1.20 | 0.045 | 0.050 | 0.35 | Te tāpiri i te Nb\V\Ti i runga anō i te 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 | He kōwhiringa te tāpiri i tētahi o ngā huānga Nb\V\Ti, i tētahi huinga rānei o aua huānga | 175 | 310 | 27 | Ka taea te whiriwhiri i tētahi, i ētahi rānei o te taupū pakari o te kaha pānga me te horahanga kutikuti. Mō te L555, tirohia te paerewa. | ||||
| 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 | Mō te maitai taumata B, Nb+V ≤ 0.03%; mō te maitai ≥ taumata B, me tāpiri atu he Nb, he V rānei, he huinga rānei, ā, ko te Nb+V+Ti ≤ 0.15% | 172 | 310 | (L0=50.8mm)kia tatauhia kia rite ki te tātai e whai ake nei:e=1944·A0 .2/U0 .0 A:Horahanga o te tauira i roto i te mm2 U: Kaha kume iti rawa kua tohua i roto i te Mpa | Kāore e hiahiatia te kaha pānga me te horahanga kutikuti hei paearu pakari. | ||||
| 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 ai ki te paerewa API 5L, kei te wātea ā mātou paipa whakarewa porowhita i roto i ngā tauira maha, tae atu ki te API 5L X42, te API 5L X52 me te API 5L X60. E whakaatu ana ēnei tauira i te kaha tuku iti o te paipa, e hoatu ana ki a koe he māramatanga whānui mō tōna mahi. Ahakoa e hiahia ana koe ki ngā paipa mō tētahi kaupapa iti, mō tētahi mahi nui rānei, ka taea e ā mātou momo tauira te whakatutuki i ō hiahia katoa.
E mōhiotia ana ngā tauira API 5L X42 mō tō rātou kaha ki te whakarewa me te kaha teitei. He mea tino pai mō ngā kaupapa e hiahia ana kia kawehia te hau māori, te hinu, me ētahi atu wai. He tino ātete tēnei tauira ki te waikura me ngā āhuatanga miihini whakamiharo hei whakarato i te mahi roa, hei whakarite i te pono o ngā pūnaha tuku hinu me te hau.
Mō ngā kaupapa e hiahia ana ki te mahi nui ake, ko te tauira API 5L X52 te whiringa tino pai. Kua hangaia te paipa kia tu atu ki ngā pēhanga teitei ake me ngā pāmahana tino kino, kia pono ai, kia whai hua ai hoki te kawe hinu me te hau. Nā tōna kaha nui ka taea e ia te whakahaere i ngā āhuatanga uaua, kia maeneene ai te rere, kia kore e mutu.
Mā te tauira API 5L X60 ka eke te mahi ki tētahi taumata e whai ake nei. Nā tōna kaha whakaputa me tōna pakari kua whakarei ake, he pai te paipa mō te whakamahi ahakoa i roto i ngā taiao tino uaua. Kua hangaia hei whakahaere i ngā kaupapa nui e hiahia ana ki te kawe i te nui o te hinu me te hau.
Ko te whiriwhiri i tā mātou paipa raina API 5L he haumi ki tētahi hua e whakamana ana i te kounga me te mahi tino pai. E kitea ana tā mātou whakapau kaha ki te hiranga i roto i ngā āhuatanga katoa o tā mātou paipa, mai i te hanganga maeneene ki tō mātou kaha ki te tutuki me te eke ki ngā paerewa o te ao. Mā tōna kaha me tōna roa, ka whakarite tēnei hua kia haumaru, kia whai hua hoki te kawe hinu me te hau, kia marino ai tō hinengaro.
I roto i te poto, kua waiho te paipa raina API 5L hei whiringa tino pai mō ngā paipa tuku hinu me te hau me ōna tauira whai rawa me te kounga pai rawa atu. Mā te whakarewa pewa hurihuri, ka whakaratohia he kaha me te roa e kore e taea te whakataurite. Ahakoa he paipa e hiahiatia ana e koe mō tētahi kaupapa iti, nui rānei, ko tā mātou paipa rino whakarewa porowhita i hangaia kia rite ki ngā paerewa API 5L ka whakamana i te mahi pono. Hokohoko ki tā mātou paipa raina API 5L ka wheako i te rerekētanga o te kounga me te mahi.






