Babban Amfani
I karfe ana amfani dashi sosai a cikin gine-gine daban-daban, gadoji, motoci, tallafi, injina da sauransu.
Nau'i da Ƙididdiga
I-karfe ne zuwa kashi talakawa I-karfe da haske I-karfe, zafi birgima talakawa I-karfe bayani dalla-dalla ga 10-63 #.Ƙayyadaddun ƙayyadaddun ƙaƙƙarfan zafi na yau da kullum na I-karfe da aka kawo ta hanyar yarjejeniya na bangarorin biyu shine 12-55 #.Hakanan ana iya bayyana ƙayyadaddun ƙayyadaddun I-karfe ta lambar ƙirar, wanda ke nuna adadin centimeters na tsayin kugu, kamar Gong 16 #.Idan i-beam tare da tsayin kugu iri ɗaya yana da faɗin ƙafafu da yawa daban-daban da kaurin kugu, dole ne a ƙara a, B da C a gefen dama na ƙirar don bambanta shi, kamar 32A # 32B # 32C # da sauransu. kan.
Babban wuraren samarwa
Kasashen kasuwancin duniya na Shandong Xinhe sun hada da Baotou Karfe, Laigang, Wisco, Karfe Maanshan da sauran 'yan karafa.
