Neke atu i te 23 tau...
He mea hanga mō te whānuitanga o ngā hua ngongo, ka taea e ngā kaiwhakatikatika te tu atu i ngā kawenga e pā ana ki te whakatikatika i ngā pakitara matotoru, angiangi rānei, me ngā ngongo me ngā paipa papatahi, ngā paipa kua whakakahohia, kua whakakorikoria rānei i ngā tere teitei.
I te wā e hangaia ana ngā paipa, ka taea te whakatika i ngā piko o te pane me te hiku, te whakakore i te āhua porowhita, te tango i te mata rino kua waikura. He hanganga anga poutū tōna, he mea tito mai i te turanga o runga me raro, te pou, te pouaka taputapu noke pēhi-iho, te nohoanga roera o runga me raro, ngā roera whakatikatika, te motuka taraiwa, te pouaka taputapu, te pou tuku, te taputapu whakarite roera whakatikatika, me ētahi atu.
1. Kei roto i ngā mīhini he ono / tekau ngā rōra mahi kua whakaritea kia takirua
2. Ka tere, ka ngāwari hoki te whakarite i te koki kia tino pā ai te ngongo me te rōra, ki runga ake i te kōtaha rōra tino whai hua
3. Te tautuhinga māmā o te mīhini mō ngā rahi rerekē o ngā ngongo
4. Ko ngā rōra katoa e peia ana e ngā motuka hiko e rua
5. Ngā mīhini kua whakauruhia ki ngā tohu mō te tautuhinga poutū me te koki o ngā rōra
6. Kei te wātea ngā mīhini i roto i ngā Kōwhiringa Tere Kotahi me te Tere Rerekē
Ka taea te tere o te raina ki te 120m/min.
He iti te moumou i ngā waeine, he iti hoki te utu whakaputa.
Ko te hapa whānui he 0.5/100 noa iho o te OD o te paipa.
I whakatūria a Shijiazhuang Zhongtai Pipe Development Co., Ltd. i te tau 2000, kei Shijiazhuang, te tāone matua o Hebei Province. E 67,000 mita pūrua te rahi o te wheketere. Ko ā mātou hua matua ko te raina whakaputa paipa tika auau teitei, te raina whakaputa maitai hurihuri makariri, te raina whakaputa paipa maitai hurihuri makariri/whakapiri maha-mahi, te raina whakaputa raina tapahi, te mira paipa kowiri tira, ngā taputapu āwhina me ngā roera mira paipa, me ētahi atu.
| RAINA MIRA NGONGO ERW | |||||
| Tauira | Rpaipa porowhita mm | Tapawhāpaipa mm | Matotoru mm | Te tere mahi m/min | |
| ERW20 | F8-F20 | 6x6-15×15 | 0.3-1.5 | 120 | Pānuihia atu |
| ERW32 | Ф10-Ф32 | 10×10-25×25 | 0.5-2.0 | 120 | |
| ERW50 | Ф20-Ф50 | 15×15-40×40 | 0.8-3.0 | 120 | |
| ERW76 | Ф32-Ф76 | 25×25-60×60 | 1.2-4.0 | 120 | |
| ERW89 | Ф42-Ф89 | 35×35-70×70 | 1.5-4.5 | 110 | |
| ERW114 | Ф48-Ф114 | 40×40-90×90 | 1.5-4.5 | 65 | |
| ERW140 | Ф60-Ф140 | 50×50-110×110 | 2.0-5.0 | 60 | |
| ERW165 | Ф76-Ф165 | 60×60-130×130 | 2.0-6.0 | 50 | |
| ERW219 | Ф89-Ф219 | 70×70-170×170 | 2.0-8.0 | 50 | |
| ERW273 | Ф114-Ф273 | 90×90-210×210 | 3.0-10.0 | 45 | |
| ERW325 | Ф140-Ф325 | 110×110-250×250 | 4.0-12.7 | 40 | |
| ERW377 | Ф165-Ф377 | 130×130-280×280 | 4.0-14.0 | 35 | |
| ERW406 | Ф219-Ф406 | 170×170-330×330 | 6.0-16.0 | 30 | |
| ERW508 | Ф273-Ф508 | 210×210-400×400 | 6.0-18.0 | 25 | Pānuihia atu |
| ERW660 | Ф325-Ф660 | 250×250-500×500 | 6.0-20.0 | 20 | Pānuihia atu |
| ERW720 | Ф355-Ф720 | 300×300-600×600 | 6.0-22.0 | 20 | Pānuihia atu |
| RAINA HANGA PAIPA KOWHERO RINO | |||||
| Tauira | Rpaipa porowhita mm | Tapawhāpaipa mm | Matotoru mm | Tere mahi m/min | |
| SS25 | Ф6-Ф25 | 5×5-20×20 | 0.2-0.8 | 10 | Pānuihia atu |
| SS32 | Ф6-Ф32 | 5×5-25×25 | 0.2-1.0 | 10 | Pānuihia atu |
| SS51 | Ф9-Ф51 | 7×7-40×40 | 0.2-1.5 | 10 | Pānuihia atu |
| SS64 | Ф12-Ф64 | 10×10-50×50 | 0.3-2.0 | 10 | Pānuihia atu |
| SS76 | Ф25-Ф76 | 20×20-60×60 | 0.3-2.0 | 10 | Pānuihia atu |
| SS114 | Ф38-Ф114 | 30×30-90×90 | 0.4-2.5 | 10 | Pānuihia atu |
| SS168 | Ф76-Ф168 | 60×60-130×130 | 1.0-3.5 | 10 | Pānuihia atu |
| SS219 | Ф114-Ф219 | 90×90-170×170 | 1.0-4.0 | 10 | Pānuihia atu |
| SS325 | Ф219-Ф325 | 170×170-250×250 | 2.0-8.0 | 3 | Pānuihia atu |
| SS426 | Ф219-Ф426 | 170×170-330×330 | 3.0-10.0 | 3 | Pānuihia atu |
| SS508 | Ф273-Ф508 | 210×210-400×400 | 4.0-12.0 | 3 | Pānuihia atu |
| SS862 | Ф508-Ф862 | 400×400-600×600 | 6.0-16.0 | 2 | Pānuihia atu |