| Okujwayelekile | Ukuchezuka kobukhulu bodonga bedayamitha yangaphandle | |||
| incazelo | Ukubekezelelana kobubanzi bangaphandle | Ukubekezelelana kokuqina kwezindonga | Ukuchezuka kwesisindo | |
| I-ASTM A53 | Ipayipi lensimbi elingagcotshiwe nelishisayo elishiselwe futhi elingenamthungo | Kumashubhu okuzisholo angaphansi noma alingana ne-NPS 1 1/2(DN40), ububanzi banoma iyiphi indawo akumele bube bukhulu kunenani elijwayelekile elingu-1/64 in(0.4mm), kumashubhu okuzisholo amakhulu noma alingana ne-NPS2(DN50), ububanzi bangaphandle angeke budlule inani elijwayelekile elingu-±1% | Ubukhulu obuncane bodonga kunoma iyiphi indawo akumele bube ugqinsi olungaphezu kuka-12.5% kunobukhulu obucacisiwe bodonga. Ubukhulu obuncane bodonga obuhloliwe buzohlangabezana nezidingo kuThebula X2.4 | Isisindo sepayipi elivamile elishiwo KuThebula X2.2 kanye no-X2.3, noma isisindo esibalwe ngokuya ngefomula efanelekile ku-ASME B36.10M, ngeke sichezukiswe ngaphezu kuka-±10% |
| I-ASTM A106 | Amazinga okushisa aphezulu angenamthungo we-carbon steel pipe okuzisholo | 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 ﹢3.7mm﹢3.78 ﹢3.79mm ﹣0.79mm＞34-48 +4.76mm -0.79mm | Ubukhulu obuncane bodonga kunoma iyiphi indawo akumele budlule u-12.5% wobukhulu obucacisiwe bodonga lobunjiniyela | Isisindo sanoma yiliphi ipayipi lensimbi ngeke seqe ku-10% noma ngaphezulu kwesisindo esinqunyiwe, futhi akumele sibe ngaphansi kuka-3.5% noma ngaphezulu. Ngaphandle uma kuvunyelwene ngenye indlela umphakeli kanye no-Xu Fang, amapayipi ensimbi ane-NPS engu-4 nangaphansi angakalwa kahle ngamaqoqo. |
| I-API 5L | Ipayipi lepayipi (imboni kawoyela negesi - ipayipi lensimbi lezinhlelo zokuthutha zamapayipi |  | ||
Isikhathi sokuthumela: Feb-13-2025
