A cikin ƙirar tsarin ƙarfe, beams na H da I-beams sune manyan sassan ɗaukar kaya. Bambancin siffar sashe, girma da halayen injiniya da filin aikace-aikacen tsakanin mutum dole ne su yi tasiri kai tsaye ga ƙa'idodin zaɓin injiniya.
A ka'ida, wannan bambanci tsakanin I-beams da H-beams, siffa, gini, na wannan abu mai ɗaukar nauyin jirgin sama shine flanges masu layi ɗaya, Ibeams waɗanda ke raguwa don haka faɗin flange yana raguwa tare da nisan da ke tsakanin yanar gizo.
Dangane da girman, ana iya yin H-beams da faɗin flange daban-daban da kauri na yanar gizo don biyan buƙatu daban-daban, yayin da girman I-beams ɗin ya fi kama da juna.
Dangane da aiki TheKarfe H Beamya fi kyau a juriyar juyawa da kuma taurin gaba ɗaya tare da haɗin giciye mai daidaituwa, hasken I ya fi kyau a juriyar lanƙwasa don lodi a kan axis.
Waɗannan ƙarfin suna bayyana a cikin aikace-aikacen su: TheHasken Sashe na HAna iya samunsa a manyan hawa, gadoji, da kayan aiki masu nauyi, yayin da katakon I yana aiki sosai a cikin ginin ƙarfe mai sauƙi, firam ɗin abin hawa, da katako masu ɗan gajeren zango.
| Girman Kwatantawa | H-beam | I-beam |
| Bayyanar | Wannan tsari mai siffar "H" mai kama da biyu yana da flanges masu layi ɗaya, daidai da kauri da yanar gizo, da kuma sauyi mai santsi a tsaye zuwa yanar gizo. | Sashe mai siffar I mai siffar uniaxial tare da ƙananan flanges masu gefuna daga tushen yanar gizo zuwa gefuna. |
| Halayen Girma | Bayani mai sassauƙa, kamar faɗin flange mai daidaitawa da kauri na yanar gizo, da kuma samarwa na musamman yana rufe sigogi iri-iri. | Girman sassauƙa, wanda aka siffanta shi da tsayin sassauƙa. Daidaitawa yana da iyaka, tare da ƙananan girma dabam-dabam masu tsayi iri ɗaya. |
| Kayayyakin Inji | Babban taurin juyawa, kyakkyawan kwanciyar hankali gaba ɗaya, da kuma amfani da kayan aiki mai yawa yana haifar da ƙarfin ɗaukar kaya mafi girma don girman sassan giciye iri ɗaya. | Kyakkyawan aikin lanƙwasawa ɗaya-da-ɗaya (kusan ƙarfin axis), amma rashin kwanciyar hankali na juyawa da kuma rashin kwanciyar hankali, wanda ke buƙatar tallafi ko ƙarfafawa a gefe. |
| Aikace-aikacen Injiniya | Ya dace da manyan kaya, dogayen tsayi, da kuma nau'ikan kaya masu sarkakiya: firam ɗin gine-gine masu tsayi, gadoji masu tsayi, injina masu nauyi, manyan masana'antu, ɗakunan taro, da sauransu. | Don ƙananan kaya, gajerun hanyoyi, da kuma lodin da ba shi da hanya ɗaya: ƙananan purlins na ƙarfe, layukan firam, ƙananan gine-gine masu taimako, da tallafi na ɗan lokaci. |
