Angle Karfe Bar, wanda aka fi sani da Angle iron, wani dogon tsiri ne na karfe wanda yake daidai da juna da kuma angular. Akwai kusurwoyi daidai da kusurwoyi marasa daidaito. Bangarorin biyu na madaidaicin kusurwa suna daidai da faɗin. An bayyana ƙayyadaddun ƙayyadaddun sa a cikin millimeters na faɗin gefe × faɗin gefen × kauri na gefe. Misali, ∟30 x 30 x 3 yana nuna daidai gwargwado karfen kusurwa mai faɗin 30 mm da kauri na 3 mm. Hakanan ana iya wakilta ta da lambar ƙirar, wanda shine adadin santimita na faɗin gefe, kamar ∟3#. Samfurin ba ya nuna girman nau'ikan kauri daban-daban a cikin samfurin iri ɗaya, don haka faɗin gefe da kauri na gefen ƙarfe na Angle sun cika a cikin kwangilar da sauran takaddun, don guje wa wakilcin ƙirar ita kaɗai. Hot birgima daidai-baki Angle karfe bayani dalla-dalla ne 2 #-20 #. Ƙarfe na kusurwa na iya haɗawa da sassa daban-daban na damuwa bisa ga buƙatun tsarin daban-daban, kuma ana iya amfani da su azaman haɗin kai tsakanin sassan. An yi amfani da ko'ina a cikin daban-daban gine-gine Tsarin da aikin injiniya Tsarin, kamar katako, Bridges, ikon watsa hasumiyai, dagawa da kuma sufuri inji, jiragen ruwa, masana'antu tanderu, dauki hasumiyai, ganga tara da warehouses.