Wannan aikin shine firam ɗin sararin samaniya da aka raba elliptical / tsayi shine mita 43 / tsayin tsayin mita 474 / tsayin mita 95
1. The karfe bututu rungumi dabi'ar Q235B, welded karfe bututu (GB / T 3092) ko sumul karfe bututu (GB / T 8162) za a iya amfani.
2. The karfe ball da aka yi da No. 45 karfe forgings cewa hadu da "Technical Conditions for High-Quality Carbon Tsarin Karfe" GB 699, da yawan amfanin ƙasa ƙarfi ne 360N / mm2.
3. Ƙarfin ƙarfi mai ƙarfi don firam ɗin sararin samaniya an yi shi da 40Cr quenched da zafin jiki da zafi da aka bi da shi bisa ga "Sharuɗɗan Fasaha na Ƙarfe Tsarin Tsarin Carbon Mai Girma" GB/T 16939.
4. An yi farantin mazugi na kan mazugi da ƙarfe Q235B, kuma shugaban mazugi an yi shi da ƙirƙira.Diamita na ciki na casingM33 ya ɗauki Q355B.
5. The threadless goro da aka yi da Q235B karfe forgings.Lokacin da diamita na maƙallan ƙarfi mai ƙarfi> M30, yi amfani da ƙirjin ƙarfe mai ma'auni 45.
6. An yi sukurori na 40Cr wanda aka kashe kuma an yi fushi.
7. Q235B karfe ana amfani dashi don goyon baya, farantin da aka saka, goyon baya da sassan haɗin kai.
8. An yi su da ƙarfe mai bakin ciki mai sanyi wanda aka yi da karfe Q235B.
9. A talakawan kusoshi da aka yi da C-grade kusoshi da aka yi da Q235 karfe wanda ya dace da bukatun na yanzu kasa misali, da kuma aiki sa ne 4.8.
10. Makin ƙarfe da aka ambata a sama yakamata su sami takaddun ingancin kayan aiki da rahoton sake dubawa, daidai da buƙatun ƙa'idodin ƙasa na yanzu.
11. Electrodes da wayoyi da ake amfani da su don walda yakamata su dace da ka'idodin ƙa'idodin ƙasa na yanzu.Welding tsakanin Q235B steels rungumi dabi'ar E43 jerin lantarki.
12. Matsakaicin ma'auni na ƙimar ƙarfin yawan amfanin ƙasa zuwa ma'auni na ƙarfin ƙarfin ƙarfin ƙarfe bai kamata ya fi 0.85 ba.
13. Karfe ya kamata ya sami matakai na amfanin ƙasa na fili, kuma elongation kada ya zama ƙasa da 20%.
14. Karfe ya kamata ya sami kyakkyawan weldability da ingantaccen tasiri mai ƙarfi.Lokacin da yake Q235B karfe ne, ingancin ingancinsa yakamata yayi daidai da "Carbon Structural Steel" (GB700-88), kuma idan Q355B ne, ƙimar ingancinsa yakamata yayi daidai da "Ƙarfin Ƙarfin Ƙarfin Ƙarfi" GB/T1491, duk karafa ya kamata. suna da ƙarfin ɗaure Garanti na cancanta don ƙarfi, haɓakawa, ƙarfin yawan amfanin ƙasa, gwajin lanƙwasawa mai sanyi da carbon, sulfur da abun ciki na phosphorus.Tsarin waldadden kuma zai sami tabbataccen garantin abun ciki na carbon.
Lokacin aikawa: Maris-10-2022