Ka hangaia te paipa Whakarewa Ātete Hiko (ERW) mā te hurihuri i te konganuku, kātahi ka whakarewahia kia roa. Ka hangaia te paipa tui mā te whakaputa i te konganuku ki te roa e hiahiatia ana; nō reira, he hononga whakarewa kei roto i te wāhanga whakawhiti o te paipa ERW, engari kāore he hononga o te paipa tui puta noa i te roa.

I roto i ngā paipa Tuitui, kāore he whakarewa, he hononga rānei, ā, he mea hanga mai i ngā porowhita totoka. Ka oti te paipa tuitui kia rite ki ngā whakaritenga ā-rahi me te matotoru o te pakitara i roto i ngā rahi mai i te 1/8 inihi ki te 26 inihi OD. E tika ana mō ngā tono pēhanga teitei pērā i ngā Ahumahi me ngā Whare Whakakī Hinu me te Hau, te Tūhuratanga me te Keri Hinu me te Hau, te Kawe Hinu me te Hau me ngā rango hau me te waipēhi, ngā Peera, ngā Poiha, ngā Motuka.
me ētahi atu

Ko ngā paipa ERW (Electric Resistance Welded) he mea whakarewa ki te taha roa, he mea hanga mai i te Strip/Coil, ā, ka taea te hanga tae atu ki te 24” OD. Ko ngā paipa ERW he mea hanga matao mai i te rīpene maitai i kumea mā roto i ngā roera ka hangaia hei ngongo ka honoa mā roto i te utu hiko. Ko te nuinga o te wā ka whakamahia mō ngā tono pēhanga iti/waenga pēnei i te kawe wai/hinu. Ko te Pearlites steel tētahi o ngā Kaihanga Paipa Kowiri tira ERW matua me te kaweake mai i Inia. Whakapā mai ki a mātou mō ngā taipitopito hua.

Ko ngā rahi noa mō ngā Paipa Rino ERW kei waenga i te 2 3/8 inihi OD ki te 24 inihi OD i roto i ngā roa rerekē tae atu ki te neke atu i te 100 putu. Kei te wātea ngā whakaotinga mata i roto i ngā whakatakotoranga tahanga me ngā whakatakotoranga paninga, ā, ka taea te tukatuka i runga i te papaanga kia rite ki ngā whakaritenga a te kiritaki.