| Zvakajairika | Kutsauka kweukobvu hwemadziro edhayamita yekunze | |||
| tsananguro | Kushivirira dhayamita yekunze | Kushivirira ukobvu hwemadziro | Kutsauka kwehuremu | |
| ASTM A53 | Pombi yesimbi isina kuvharwa uye inopisa-dip yakasungirirwa uye isina musono yesimbi | Kune machubhu emhando yepamusoro ari pasi kana kuti akaenzana neNPS 1 1/2 (DN40), dhayamita yenzvimbo ipi neipi haifanirwe kunge yakakura kupfuura kukosha kwakajairwa kwe1/64 mu(0.4mm), kune machubhu emhando yepamusoro ari pamusoro kana akaenzana neNPS2 (DN50), dhayamita yekunze haifanirwe kupfuura kukosha kwakajairwa kwe±1% | Ukobvu hwemadziro hushoma pane chero nzvimbo hahufanirwe kupfuura 12.5% ukobvu hwemadziro hwakatarwa. Ukobvu hwemadziro hushoma hwakatarwa hunofanira kusangana nezvinodiwa muTafura X2.4 | Huremu hwepombi yemhando yepamusoro yakataurwa muTables X2.2 neX2.3, kana huremu hwakaverengerwa zvichienderana nefomura yakakodzera muASME B36.10M, hahufanirwe kutsauswa neinopfuura ±10% |
| ASTM A106 | Tembiricha yepamusoro isina musono simbi yekabhoni yesimbi yezita mutopota | 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 | Ukobvu hwemadziro hushoma pane chero nzvimbo hahufanirwe kudarika 12.5% yeukobvu hwemadziro einjiniya hwakatarwa | Huremu hwepombi yesimbi hahufanirwe kudarika 10% kana kupfuura huremu hwakatarwa, uye hahufanirwe kuva pasi pe3.5% kana kupfuura. Kunze kwekunge zvabvumiranwa neimwe nzira nemutengesi naXu Fang, mapaipi esimbi ane NPS ye4 nediki anogona kuyerwa nemazvo muzvikamu. |
| API 5L | Pombi yemapaipi (indasitiri yemafuta negesi - pombi yesimbi yemasisitimu ekufambisa mapaipi |  | ||
Nguva yekutumira: Kukadzi-13-2025
