Q235D carbon karfe farantin, high-ƙarfi karfe farantin ne yadu amfani a yi, mota, shipbuilding, inji da kuma kayan aiki da yawa sauran masana'antu, amma high-ƙarfi karfe farantin dole ne a zaba da kyau. Da farko dai, darajar ta yi yawa, wanda ke nufin cewa farashin zai yi yawa saboda tsadar masana'anta. Abu na biyu, ƙananan matakin yana nufin cewa aikin aminci bai kai daidai ba. Na uku, ƙayyadaddun ƙayyadaddun faranti na ƙarfe mai ƙarfi dole ne a zaɓa daidai da zanen zane. Na hudu, ana ba da shawarar siyan kayan aiki na musamman na kasuwanci don gwada faranti na ƙarfe mai ƙarfi.
| Babban abubuwan sinadaran Q235D |
| C |
Si |
Mn |
P |
S |
| 0.17 |
0.35 |
1.40 |
0.035 |
0.035 |
Yana da kyau tauri. Ta hanyar sarrafa abubuwan sinadaran, rage abun ciki na abubuwa masu cutarwa a cikin Q235D farantin karfe na carbon, da zaɓin yanayin kula da zafi mai ma'ana, farantin karfe NM360 yana da tauri mai kyau. Don haka, ana iya gina sassan tsarin dogaro mai ƙarfi bisa ga gazawar sassa masu jure lalacewa. Q235D carbon karfe farantin rungumi dabi'ar ci-gaba da fasaha da kayan aiki, hade tare da high da kimiyya fasaha management, sabõda haka, abu da siffar samfurin su ne uniform da kyau.
S355J2 karfe farantin Q235D carbon karfe farantin mirgina tsari ne mai sarrafawa mirgina tsari. A cikin tsarin juyawa, ingot mirgina zafin jiki shine 1000-1050 ° C; Mataki na farko yana ɗaukar tsarin jujjuyawa mai ƙarancin sauri mai girma, matakin zafin jiki shine 950-1000 ° C, saurin mirgina shine 1.6-2.0m / s, raguwar raguwa ɗaya na Q235D farantin ƙarfe na carbon shine 15-20%, kuma adadin raguwar tarawa shine 40-45% don tabbatar da cikakken nakasar ingot. A mataki na farko, zafin fara mirgina shine 910-930 ° C, kuma ƙarshen juyawa shine ≤ 870 ° C.
