Za a iya raba bututun ƙarfe marasa ƙarfi zuwa ASTM American daidaitaccen bututun ƙarfe, DIN Jamus daidaitaccen bututun ƙarfe mara nauyi, JIS daidaitaccen bututun ƙarfe mara nauyi, GB na bututun ƙarfe na ƙasa, bututun ƙarfe na API da sauran nau'ikan bisa ga ka'idodin su. ASTM American daidaitattun bututun ƙarfe maras sumul an fi amfani da su a duniya, kuma nau'ikan su sun bambanta. Abubuwan da suka dace na ASTM bututun ƙarfe mara nauyiASTM A179/179m/sa179/sa-179m American misali sumul karfe bututu an jera kamar haka
aikace-aikace
Ya dace da bututun ƙarfe da ake amfani da su a cikin masu musayar zafi na tubular, na'urori masu ɗaukar zafi da makamantan kayan canja wurin zafi.
Karfe bututu daraja
A179, SA179
Kaddarorin injina:
| Daidaitawa | Daraja | Ƙarfin ƙarfi (MPa) | Ƙarfin Haɓaka (MPa) | Tsawaitawa: (%) |
| ASTM A179/ASME SA179 | A179/SA179 | ≥325 | ≥180 | ≥35 |
Abubuwan sinadaran:
| Daidaitawa | Daraja | Iyakar abubuwan sinadaran % | |||||||||
| C | Si | Mn | P | S | Cr | Mo | Cu | Ni | V | ||
| ASTM A179 | A179 | 0.06 zuwa 0.18 | / | 0.27 zuwa 0.63 | ≤0.035 | ≤0.035 | / | / | / | / | / |
Bayani:
| HR: zafi birgima | CW: aikin sanyi | SR: an sassauta damuwa |
| A: annala | N: normalized | HF |
Sumul karfe bututu masana'antu tsari. A bisa tsarin kera bututun nasa, an raba bututun karfe maras sumul zuwa bututun karfe mai zafi mai zafi, bututun karfe maras sanyi, naushi da shimfidar bututun karfe, da kuma bututun karfe masu fitar da su a tsaye. Ana amfani da matakai guda biyu na farko don samar da bututun ƙarfe maras sumul, diamita wanda gabaɗaya ya kai 8-406, kuma kaurin bango gabaɗaya 2-25; Ana amfani da matakai biyu na ƙarshe don samar da manyan bututun ƙarfe mara nauyi mai kauri, diamita wanda gabaɗaya ya kai 406-1800, kaurin bangon kuma shine 20mm-220mm. Dangane da amfani da shi, ana iya raba shisumul karfe bututu ga Tsarin, bututun ƙarfe mara nauyi don ruwaye, bututun ƙarfe mara nauyi don tukunyar jirgi, kumabututun ƙarfe maras nauyi don bututun mai.
Lokacin aikawa: Dec-17-2024
