| Paerewa | Te rerekētanga matotoru o te pakitara o waho | |||
| whakamāramatanga | Te manawanui o te diameter o waho | Te manawanui matotoru o te pakitara | Te rerekētanga o te taumaha | |
| ASTM A53 | Paipa maitai ingoa kua whakakikoruatia, kāore i pania, kua wera-tuku, kua whakarewaina, he paihere kore-ira | Mō ngā ngongo ingoa iti iho i te NPS 1 1/2 (DN40), kaua te diameter o tētahi wāhi e nui ake i te uara paerewa o te 1/64 in (0.4mm), mō ngā ngongo ingoa nui ake i te NPS2 (DN50), kaua te diameter o waho e neke ake i te uara paerewa o te ±1% | Kaua te matotoru iti rawa o te pakitara i tētahi wāhi e neke atu i te 12.5% te matotoru atu i te matotoru pakitara kua tohua. Me tutuki i te matotoru iti rawa o te pakitara kua tirohia ngā whakaritenga o te Ripanga X2.4. | Kaua te taumaha o te paipa ingoa kua tohua i roto i ngā Ripanga X2.2 me X2.3, te taumaha rānei i tatauhia i runga i te tātai e tika ana i roto i te ASME B36.10M, e neke atu i te ±10% |
| ASTM A106 | Paipa maitai waro korekore pāmahana teitei | 1/8-1 1/2 ±0.4mm, ＞1 1/2-4 ±0.79mm ＞4-8 ﹢1.59mm -0.79mm ＞8-18 ﹢2.38mm -0.79mm ＞18-26 ﹢3.18mm -0.79mm ＞26-34 ﹢3.79mm ﹣0.79mm ＞34-48 +4.76mm -0.79mm | Kaua te matotoru iti rawa o te pakitara i tētahi wāhi e neke ake i te 12.5% o te matotoru o te pakitara hangarau kua tohua. | Kaua te taumaha o tētahi paipa rino e neke atu i te 10%, neke atu rānei, i te taumaha kua whakaritea, kaua hoki e iti iho i te 3.5%, neke atu rānei. Ki te kore e whakaaetia tētahi atu e te kaiwhakarato me Xu Fang, ka taea te pauna tika i ngā paipa rino he NPS o te 4, iti iho rānei, i roto i ngā puranga. |
| API 5L | Paipa paipa (umanga hinu me te hau - paipa maitai mō ngā pūnaha kawe paipa |  | ||
Te wā tuku: 13-Pepuere-2025
