Whakaahuatanga Hua
Ko ngā paipa maitai LSAW (Rongitudinal Submerged Arc Welding) he momo paipa maitai kua whakarewahia, e tohuhia ana e tā rātou tukanga hanga ahurei me te whānuitanga o ngā tono. Ka hangaia ēnei paipa mā te hanga i tētahi pereti maitai kia rite ki te āhua porotaka, ka whakarewahia ki te taha roa mā te whakamahi i ngā tikanga whakarewa pewa raro. Anei tētahi tirohanga whānui mō ngā paipa maitai LSAW:
Tukanga Hanga:
● Te Whakarite Pereti: Ka tīpakohia ngā pereti maitai kounga teitei i runga i ngā whakaritenga motuhake, kia mau ai ngā āhuatanga ā-pūkaha me te hanganga matū e hiahiatia ana.
● Te Hanga: Ka hangaia te pereti maitai hei paipa porotaka mā roto i ngā tukanga pēnei i te piko, te hurihuri, te pēhi rānei (JCOE me UOE). Kua pikohia ngā taha hei whakahaere i te whakarewa.
● Whakarewa: Ka whakamahia te whakarewa pewa ruku (SAW), ka puritia he pewa i raro i te paparanga rere. Ka puta he whakarewa kounga teitei me te iti o ngā hapa me te hanumitanga tino pai.
● Tirotiro Ultrasonic: Whai muri i te whakarewanga, ka whakahaerehia he whakamātautau ultrasonic hei kite i ngā hapa o roto, o waho rānei i te rohe whakarewanga.
● Te Whakawhanui: Ka taea te whakawhanui i te paipa kia tutuki ai te diameter me te matotoru o te pakitara e hiahiatia ana, kia pai ake ai te tika o ngā āhuatanga.
● Tirotiro Whakamutunga: Mā te whakamātautau whānui, tae atu ki te tirotiro tirohanga, ngā tirotiro i ngā āhuatanga, me ngā whakamātautau āhuatanga miihini, ka whakarite i te kounga o te paipa.
Ngā Painga:
● Te Whai Hua o te Utu: He otinga whai hua ngā paipa LSAW mō ngā paipa whānui me ngā tono hanganga nā te mea he pai te tukanga hanga.
● Kaha Teitei: Mā te tikanga whakarewa roa ka puta he paipa he kaha, he ōrite hoki ngā āhuatanga ā-ringa.
● Te Tika o ngā Ahu: He tino tika ngā inenga o ngā paipa LSAW, ā, he pai mō ngā tono me ngā manawanui tino pakari.
● Te Kounga o te Whakarewa: Mā te whakarewa pewa ruku ka puta he whakarewa kounga teitei me te hanumitanga tino pai, me te iti o ngā hapa.
● Ngā Mahi Whānui: E whakamahia ana ngā paipa LSAW i roto i ngā ahumahi maha, tae atu ki te hinu me te hau, te hanga, me te tuku wai, nā te mea he ngāwari ki te urutau me te pakari.
Hei whakarāpopototanga, ka hangaia ngā paipa maitai LSAW mā te whakamahi i tētahi tukanga tika, whai hua hoki, ka hua ake he paipa maha-whakamahinga, utu-whai hua, me te pakari e tika ana mō te whānuitanga o ngā tono ahumahi.
Ngā Whakatakotoranga
| API 5L: GR.B, X42, X46, X52, X56, X60, X65, X70, X80 |
| ASTM A252: GR.1, GR.2, GR.3 |
| EN 10219-1: S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H |
| EN10210: S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H |
| ASTM A53/A53M: GR.A, GR.B |
| EN 10217: P195TR1, P195TR2, P235TR1, P235TR2, P265TR1, P265TR2 |
| DIN 2458: St37.0, St44.0, St52.0 |
| AS/NZS 1163: Tau C250, Tau C350, Tau C450 |
| GB/T 9711: L175, L210, L245, L290, L320, L360, L390, L415, L450, L485 |
| ASTMA671: CA55/CB70/CC65, CB60/CB65/CB70/CC60/CC70, CD70/CE55/CE65/CF65/CF70, CF66/CF71/CF72/CF73, CG100/CH100/CI100/CJ100 |
Awhe Whakaputa
| Diameter o Waho | Te matotoru o te pakitara e wātea ana mō raro i te karaehe maitai | |||||||
| Inihi | mm | Te Kaupae Rino | ||||||
| Inihi | mm | L245(Kara.B) | L290(X42) | L360(X52) | L415(X60) | L450(X65) | L485(X70) | L555(X80) |
| 16 | 406 | 6.0-50.0mm | 6.0-48.0mm | 6.0-48.0mm | 6.0-45.0mm | 6.0-40mm | 6.0-31.8mm | 6.0-29.5mm |
| 18 | 457 | 6.0-50.0mm | 6.0-48.0mm | 6.0-48.0mm | 6.0-45.0mm | 6.0-40mm | 6.0-31.8mm | 6.0-29.5mm |
| 20 | 508 | 6.0-50.0mm | 6.0-50.0mm | 6.0-50.0mm | 6.0-45.0mm | 6.0-40mm | 6.0-31.8mm | 6.0-29.5mm |
| 22 | 559 | 6.0-50.0mm | 6.0-50.0mm | 6.0-50.0mm | 6.0-45.0mm | 6.0-43mm | 6.0-31.8mm | 6.0-29.5mm |
| 24 | 610 | 6.0-57.0mm | 6.0-55.0mm | 6.0-55.0mm | 6.0-45.0mm | 6.0-43mm | 6.0-31.8mm | 6.0-29.5mm |
| 26 | 660 | 6.0-57.0mm | 6.0-55.0mm | 6.0-55.0mm | 6.0-48.0mm | 6.0-43mm | 6.0-31.8mm | 6.0-29.5mm |
| 28 | 711 | 6.0-57.0mm | 6.0-55.0mm | 6.0-55.0mm | 6.0-48.0mm | 6.0-43mm | 6.0-31.8mm | 6.0-29.5mm |
| 30 | 762 | 7.0-60.0mm | 7.0-58.0mm | 7.0-58.0mm | 7.0-48.0mm | 7.0-47.0mm | 7.0-35mm | 7.0-32.0mm |
| 32 | 813 | 7.0-60.0mm | 7.0-58.0mm | 7.0-58.0mm | 7.0-48.0mm | 7.0-47.0mm | 7.0-35mm | 7.0-32.0mm |
| 34 | 864 | 7.0-60.0mm | 7.0-58.0mm | 7.0-58.0mm | 7.0-48.0mm | 7.0-47.0mm | 7.0-35mm | 7.0-32.0mm |
| 36 | 914 | 8.0-60.0mm | 8.0-60.0mm | 8.0-60.0mm | 8.0-52.0mm | 8.0-47.0mm | 8.0-35mm | 8.0-32.0mm |
| 38 | 965 | 8.0-60.0mm | 8.0-60.0mm | 8.0-60.0mm | 8.0-52.0mm | 8.0-47.0mm | 8.0-35mm | 8.0-32.0mm |
| 40 | 1016 | 8.0-60.0mm | 8.0-60.0mm | 8.0-60.0mm | 8.0-52.0mm | 8.0-47.0mm | 8.0-35mm | 8.0-32.0mm |
| 42 | 1067 | 8.0-60.0mm | 8.0-60.0mm | 8.0-60.0mm | 8.0-52.0mm | 8.0-47.0mm | 8.0-35mm | 8.0-32.0mm |
| 44 | 1118 | 9.0-60.0mm | 9.0-60.0mm | 9.0-60.0mm | 9.0-52.0mm | 9.0-47.0mm | 9.0-35mm | 9.0-32.0mm |
| 46 | 1168 | 9.0-60.0mm | 9.0-60.0mm | 9.0-60.0mm | 9.0-52.0mm | 9.0-47.0mm | 9.0-35mm | 9.0-32.0mm |
| 48 | 1219 | 9.0-60.0mm | 9.0-60.0mm | 9.0-60.0mm | 9.0-52.0mm | 9.0-47.0mm | 9.0-35mm | 9.0-32.0mm |
| 52 | 1321 | 9.0-60.0mm | 9.0-60.0mm | 9.0-60.0mm | 9.0-52.0mm | 9.0-47.0mm | 9.0-35mm | 9.0-32.0mm |
| 56 | 1422 | 10.0-60.0mm | 10.0-60.0mm | 10.0-60.0mm | 10.0-52mm | 10.0-47.0mm | 10.0-35mm | 10.0-32.0mm |
| 60 | 1524 | 10.0-60.0mm | 10.0-60.0mm | 10.0-60.0mm | 10.0-52mm | 10.0-47.0mm | 10.0-35mm | 10.0-32.0mm |
| 64 | 1626 | 10.0-60.0mm | 10.0-60.0mm | 10.0-60.0mm | 10.0-52mm | 10.0-47.0mm | 10.0-35mm | 10.0-32.0mm |
| 68 | 1727 | 10.0-60.0mm | 10.0-60.0mm | 10.0-60.0mm | 10.0-52mm | 10.0-47.0mm | 10.0-35mm | 10.0-32.0mm |
| 72 | 1829 | 10.0-60.0mm | 10.0-60.0mm | 10.0-60.0mm | 10.0-52mm | 10.0-47.0mm | 10.0-35mm | 10.0-32.0mm |
* Ka taea te whakarite i ētahi atu rahi i muri i te whiriwhiringa
Te Hanganga Matū me ngā Āhuatanga Hangarau o te Paipa Rino LSAW
| Paerewa | Tau | Hanganga Matū (mōrahi)% | Ngā Āhuatanga Mīhini (min) | |||||
| C | Mn | Si | S | P | Kaha Tukunga (Mpa) | Kaha Kume (Mpa) | ||
| GB/T700-2006 | A | 0.22 | 1.4 | 0.35 | 0.050 | 0.045 | 235 | 370 |
| B | 0.2 | 1.4 | 0.35 | 0.045 | 0.045 | 235 | 370 | |
| C | 0.17 | 1.4 | 0.35 | 0.040 | 0.040 | 235 | 370 | |
| D | 0.17 | 1.4 | 0.35 | 0.035 | 0.035 | 235 | 370 | |
| GB/T1591-2009 | A | 0.2 | 1.7 | 0.5 | 0.035 | 0.035 | 345 | 470 |
| B | 0.2 | 1.7 | 0.5 | 0.030 | 0.030 | 345 | 470 | |
| C | 0.2 | 1.7 | 0.5 | 0.030 | 0.030 | 345 | 470 | |
| Paerewa ... | S235JR | 0.17 | 1.4 | - | 0.035 | 0.035 | 235 | 360 |
| S275JR | 0.21 | 1.5 | - | 0.035 | 0.035 | 275 | 410 | |
| S355JR | 0.24 | 1.6 | - | 0.035 | 0.035 | 355 | 470 | |
| DIN 17100 | ST37-2 | 0.2 | - | - | 0.050 | 0.050 | 225 | 340 |
| ST44-2 | 0.21 | - | - | 0.050 | 0.050 | 265 | 410 | |
| ST52-3 | 0.2 | 1.6 | 0.55 | 0.040 | 0.040 | 345 | 490 | |
| JIS G3101 | SS400 | - | - | - | 0.050 | 0.050 | 235 | 400 |
| SS490 | - | - | - | 0.050 | 0.050 | 275 | 490 | |
| API 5L PSL1 | A | 0.22 | 0.9 | - | 0.03 | 0.03 | 210 | 335 |
| B | 0.26 | 1.2 | - | 0.03 | 0.03 | 245 | 415 | |
| X42 | 0.26 | 1.3 | - | 0.03 | 0.03 | 290 | 415 | |
| X46 | 0.26 | 1.4 | - | 0.03 | 0.03 | 320 | 435 | |
| X52 | 0.26 | 1.4 | - | 0.03 | 0.03 | 360 | 460 | |
| X56 | 0.26 | 1.1 | - | 0.03 | 0.03 | 390 | 490 | |
| X60 | 0.26 | 1.4 | - | 0.03 | 0.03 | 415 | 520 | |
| X65 | 0.26 | 1.45 | - | 0.03 | 0.03 | 450 | 535 | |
| X70 | 0.26 | 1.65 | - | 0.03 | 0.03 | 585 | 570 | |
Paerewa me te Tau
| Paerewa | Ngā Tohu Rino |
| API 5L: Whakatakotoranga mō te Paipa Raina | GR.B, X42, X46, X52, X56, X60, X65, X70, X80 |
| ASTM A252: Whakatakotoranga Paerewa mō ngā Puranga Paipa Rino Whakarewahia me te Kore Tuitui | GR.1, GR.2, GR.3 |
| EN 10219-1: Ngā Wāhanga Hanganga Kore-koranu me ngā Rino Pai kua Whakarewahia, kua Hangaia ki te Matao | S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H |
| EN10210: Ngā Wāhanga Hanganga Kore-Koranu me ngā Rino Pai kua Oti te Whakaoti | S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H |
| ASTM A53/A53M: Paipa, Rino, Mangu me te Toia-wera, Paninga-Konutea, Whakarewahia me te Tuitui Kore | GR.A, GR.B |
| EN10208: Ngā paipa rino mō te whakamahi i roto i ngā pūnaha kawe paipa i roto i ngā ahumahi hinu me te hau māori. | L210GA, L235GA, L245GA, L290GA, L360GA |
| EN 10217: Ngā Ngongo Rino Whakarewahia mō ngā Kaupapa Pēhanga | P195TR1, P195TR2, P235TR1, P235TR2, P265TR1, P265TR2 |
| DIN 2458: Ngā Paipa me ngā Ngongo Rino i Whakarewahia | St37.0, St44.0, St52.0 |
| AS/NZS 1163: Paerewa Ahitereiria/Aotearoa mō ngā Wāhanga Kohao Rino Hanganga Matao | Tau C250, Tau C350, Tau C450 |
| GB/T 9711: Ngā Ahumahi Hinu me te Hau Taiao - Paipa Rino mō ngā Paipa | L175, L210, L245, L290, L320 , L360, L390 , L415, L450 , L485 |
| ASTM A671: Paipa Rino Hiko-Hanumi-Whakapiri mō ngā Pāmahana Āhuarangi me ngā Pāmahana Iti | CA 55, CB 60, CB 65, CB 70, CC 60, CC 65, CC 70 |
| ASTM A672: Paipa maitai i whakarewahia ki te hanumi hiko mō te mahi pēhanga teitei i ngā pāmahana reo. | A45, A50, A55, B60, B65, B70, C55, C60, C65 |
| ASTM A691: Paipa maitai waro me te koranu, he mea whakarewa hiko-hanumi mō te mahi pēhanga teitei i ngā pāmahana teitei. | CM-65, CM-70, CM-75, 1/2CR-1/2MO, 1CR-1/2MO, 2-1/4CR, 3CR |
Tukanga Hanga
Mana Kounga
● Te Tirotiro i ngā Rauemi Mata
● Tātari Matū
● Whakamātautau Mīhini
● Tirotiro Tirohanga
● Tirotiro Ahu
● Whakamātautau Piko
● Whakamātautau Pānga
● Whakamātautau Waikura Ā-Whānui
● Whakamātautau Kore-Whakangaro (UT, MT, PT)
● Tohu Paetae mō te Tukanga Whakarewa
● Tātari Hanganga Moroiti
● Whakamātautau Mumura me te Whakapapatahi
● Whakamātautau Pakari
● Whakamātautau Waipūmau
● Whakamātautau Whakarewatanga
● Whakamātautau Pakaru i Āraihia e te Hauwai (HIC)
● Whakamātautau Pakaru Āhuatanga o te Whāriki (SSC)
● Whakamātautau Auaha Eddy
● Te Tirotiro Peita me te Paninga
● Arotake Tuhinga
Te Whakamahinga me te Taupānga
He maha ngā whakamahinga o ngā paipa maitai LSAW (Longitudinal Submerged Arc Welding) puta noa i ngā ahumahi rerekē nā te mea he pai te hanganga me te maha o ngā whakamahinga. Kei raro nei ētahi o ngā whakamahinga matua o ngā paipa maitai LSAW:
● Te Kawe Hinu me te Hau: He nui te whakamahinga o ngā paipa rino LSAW i roto i te umanga hinu me te hau mō ngā pūnaha paipa. Ka whakamahia ēnei paipa mō te kawe i te hinu mata, te hau māori, me ētahi atu wai, hau rānei.
● Hanganga Wai: Ka whakamahia ngā paipa LSAW i roto i ngā kaupapa hanganga e pā ana ki te wai, tae atu ki ngā pūnaha tuku wai me ngā pūnaha rerenga wai.
● Te Tukatuka Matū: Ka whakamahia ngā paipa LSAW i roto i ngā ahumahi matū hei kawe i ngā matū, ngā wai, me ngā hau i roto i te huarahi haumaru, whai hua hoki.
● Te Hanganga me ngā Hanganga: Ka whakamahia ēnei paipa i roto i ngā kaupapa hanga maha, pērā i ngā turanga hanga, ngā piriti, me ētahi atu whakamahinga hanganga.
● Te whakatō poupou: Ka whakamahia ngā paipa LSAW i roto i ngā mahi whakatō poupou hei tautoko i ngā kaupapa hanga, tae atu ki ngā turanga whare me ngā hanganga moana.
● Rāngai Pūngao: E whakamahia ana ēnei hei kawe i ngā momo pūngao, tae atu ki te mamaoa me ngā wai wera i roto i ngā tipu whakaputa hiko.
● Te Keri: Ka whakamahia ngā paipa LSAW i roto i ngā kaupapa keri hei kawe i ngā rauemi me ngā para.
● Ngā Tukanga Ahumahi: Ka whakamahia e ngā ahumahi pēnei i te hanga me te whakaputa ngā paipa LSAW mō ngā tukanga ahumahi rerekē, tae atu ki te kawe i ngā rauemi mata me ngā hua kua oti.
● Te Whakawhanaketanga Hanganga: He mea nui ēnei paipa mō te whakawhanake i ngā kaupapa hanganga pēnei i ngā rori, ngā huarahi tere, me ngā ratonga hiko o raro whenua.
● Tautoko Hanganga: Ka whakamahia ngā paipa LSAW hei hanga tautoko hanganga, pou, me ngā kurupae i roto i ngā kaupapa hanga me te hangarau.
● Hanga kaipuke: I roto i te umanga hanga kaipuke, ka whakamahia ngā paipa LSAW mō te hanga i ngā wāhanga rerekē o ngā kaipuke, tae atu ki ngā takere me ngā wāhanga hanganga.
● Ahumahi Motuka: Ka taea te whakamahi i ngā paipa LSAW ki te hanga i ngā wāhanga motuka, tae atu ki ngā pūnaha whakaputa hau.
E whakaatu ana ēnei tono i te maha o ngā whakamahinga o ngā paipa maitai LSAW puta noa i ngā rāngai rerekē, nā te mea he pakari, he kaha, he pai hoki mō ngā āhuatanga taiao rerekē.
Te Tākai me te Tukunga
He mea nui te tākai me te tuku tika i ngā paipa rino LSAW (Longitudinal Submerged Arc Welding) kia haumaru ai te kawe me te tuku ki ngā wāhi rerekē. Anei te whakaahuatanga o ngā tikanga tākai me te tuku noa mō ngā paipa rino LSAW:
Te tākai:
● Te Hononga: He maha ngā wā ka honoa ngā paipa LSAW ki ngā mea kotahi, ka tākaihia rānei ki ngā whitiki rino, ki ngā here rānei hei hanga i ngā waeine ngāwari ki te whakahaere me te kawe.
● Parenga: Ka tiakina ngā pito o ngā paipa ki ngā taupoki kirihou hei ārai i te kino i te wā e kawe ana. Hei tāpiri, ka taea te hipoki i ngā paipa ki te rauemi tiaki hei tiaki i a rātou mai i ngā āhuatanga taiao.
● Paninga Ārai-Waikura: Mena he paninga ā-waikura kei roto i ngā paipa, ka tiakina te kounga o te paninga i te wā e tākai ana hei ārai i te kino i te wā e whakahaeretia ana, e kawehia ana hoki.
● Te Tohu me te Tapanga: Kei ia paihere ngā mōhiohio nui pēnei i te rahi o te paipa, te taumata rauemi, te tau wera, me ētahi atu whakaritenga hei ngāwari ake te tautuhi.
● Te Whakamau: Ka herea ngā paihere ki ngā papa, ki ngā papa reti rānei hei ārai i te nekeneke i te wā e kawe ana.
Tukunga:
● Ngā Aratau Kawe: Ka taea te tuku i ngā paipa maitai LSAW mā roto i ngā momo kawe maha, tae atu ki te rori, te tereina, te moana, te rangi rānei, i runga i te ūnga me te hiahia kia tere te kawe.
● Te Whakatakotoranga Ipu: Ka taea te tuku paipa i roto i ngā ipu hei tiakitanga atu, inā koa i te wā e kawe ana ki tāwāhi. Ka utaina ngā ipu, ka tiakina hoki kia kore ai e neke i te wā e kawe ana.
● Hoa Whakahaere: Kei te whakamahia ngā kamupene whakahaere rongonui, ngā kaikawe rānei, e mōhio ana ki te whakahaere i ngā paipa rino, hei whakarite i te tukunga haumaru me te wā tika.
● Ngā Tuhinga Tikanga: Ka whakaritea, ka tukuna hoki ngā tuhinga tikanga e tika ana, tae atu ki ngā pire utanga, ngā tiwhikete takenga mai, me ētahi atu pepa mahi e tika ana, mō ngā tuku ki tāwāhi.
● Inihuarangi: I runga i te uara me te āhua o te utanga, ka whakaritea pea he inihua hei tiaki i a koe mai i ngā āhuatanga ohorere i te wā e kawe ana.
● Aroturuki: Mā ngā pūnaha aroturuki hou ka taea e te kaituku me te kaiwhiwhi te aroturuki i te ahunga whakamua o te tuku i te wā tonu, kia mārama ai, kia tere ai hoki ngā whakahōutanga.
● Tukunga: Ka tangohia ngā paipa ki te ūnga, me te whai i ngā tikanga tango tika hei karo i te pakaru.
● Tirotiro: Kia tae atu, ka tirotirohia pea ngā paipa hei manatoko i tōna āhua me te tutuki i ngā whakaritenga i mua i te whakaaetia e te kaiwhiwhi.
Mā ngā tikanga tika mō te tākai me te tuku ka āwhina i te ārai i ngā kino, te pupuri i te kounga o ngā paipa maitai LSAW, me te whakarite kia tae haumaru, kia pai hoki te āhua.













