Hakkin mallaka © Zhengzhou Huitong bututun kayan aiki Co., LTD
Lokacin da abun ciki na carbon na A333 gr 6 welded bututun chemistry ya zama ƙasa, damar fashewa a cikin yankin da aka welded shima ƙananan. Koyaya, wasu masana'antun sun fi son bututun ƙoshin ƙasa akan bututun da ke welded. Dalilin wannan shi ne cewa aikin na A333 gr 6 ko sumorless bututu kusan 20% sama da wanda ke da haske a cikin mahimman wurare.
Lithuania
Mongolian
Krgyz
Sesotho
Bayan kammala aikin masana'antu, samfurin da aka kera ya yi ja-gora aiwatar da bincike. Wanne ne ɗayan mahimman fannoni na ƙirar ƙarfe, ana bincika duk bangarorin da aka kera duk abubuwan da aka kera su don lahani a ƙarƙashin wannan tsari.
Amharic
sake dubawa