Ko te paipa maitai waro-kore he paipa i hangaia ki te maitai waro, kāore he hononga, he hononga rānei i whakarewaina, ā, ka tukuna he poro totoka mā roto i te mata hei hanga i te paipa o te āhua me te rahi e hiahiatia ana. He rongonui te paipa maitai waro-kore mō tōna pakari, tōna kaha kume me tōna ātete ki te waikura, he mea tino pai mō te whānuitanga o ngā ahumahi tae atu ki te hinu me te hau, te motuka me te hanga whare.
Ko tētahi o ngā momo paipa maitai waro-kore tino rongonui koA106 Tau B, koinei te paerewa ASTM mō ngā paipa maitai waro kore hononga mō te mahi pāmahana teitei. Ko te nui rawa o te waro he 0.30%, he mea tino pai mō ngā tono e hiahia ana ki te pāmahana me te pēhanga teitei. He pai hoki mō ngā tono pēhanga iti me te pāmahana iti, tae atu ki te whakarewa me te whakakanapa.
Ko tētahi atu momo rongonui koAPI 5L Tau B, koinei te paerewa mō ngā paipa rino kore hononga me te whakarewa mō ngā pūnaha tuku paipa i roto i te umanga hinu me te hau. Ko te nui rawa o te waro he 0.30%, he mea tino pai mō te whakamahi i roto i ngā taiao ratonga pēhanga teitei me te pāmahana teitei.
Haunga te kounga, he mea tino nui anō hoki te rauemi o te paipa maitai kore-waro. Ko ētahi o ngā rauemi noa ko te SAE 1020, he iti te ihirangi waro, ā, he pai mō te piko, te whakakoi me ngā mahi hanga rite, me te SAE 1045, he nui ake te ihirangi waro, ā, he pai mō ngā mahi e hiahia ana kia pakeke, kia pakari, kia ātete hoki ki te kakahu.
Ko ētahi atu rauemi ko te ASTM A519 Grade 4130 mō ngā raina waipēhi pēhanga-tiketike me ngā ngongo hinu, me te ASTM A106 Grade C me te ihirangi waro mōrahi o te 0.35% mō ngā tono e hiahia ana kia ātete nui ki te waikura.
Hei whakamutunga, he mea nui ngā paipa maitai waro-kore i roto i te whānuitanga o ngā ahumahi, ā, ko te whiriwhiri i te momo me te rauemi e whakawhirinaki ana ki te tono motuhake. Ko te A106 Taumata B me te API 5L Taumata B he momo rongonui, ko ngā rauemi pēnei i te SAE 1020, SAE 1045,ASTM A519 Tau 4130, ā, he kōwhiringa rongonui te ASTM A106 Grade C.
Wā tuku: Mei-17-2023