Abun ƙarfe tare da mafi girman abun ciki na jan karfe ana kiransa tagulla mai tsabta. An kuma fi sani da shija tagulla saboda samanta ya bayyanalaunin ja-purple. Copper yana da babban matakin sassauci da ductility.
Brass wani abu ne na jan karfe da zinc, wanda aka fi sani da brass saboda launin saman sa na zinare. Zinc a cikin tagulla yana sa abu ya fi ƙarfin kuma ya fi tsayayya ga abrasion, yayin da kayan kuma yana da ƙarfin ƙwanƙwasa.
Bronze wani abu ne na gami da aka yi ta hanyar narkewar tagulla tare da wasu ƙananan karafa ko masu daraja. Haɗuwa daban-daban na gami suna da kaddarorin jiki daban-daban kumaaikace-aikace.
Beryllium Copper Foil shine nau'in supersaturated m bayani na jan ƙarfe wanda ya haɗu da injina mai kyau, na zahiri, kaddarorin sinadarai da juriya na lalata.
Abun gami da jan ƙarfe-nickel ana kiransa farar jan ƙarfe saboda farin saman sa na azurfa.jan karfe - nickel gamishi ne wani gami karfe tare da high resistivity kuma kullum amfani da matsayin impedance abu. Yana da ƙarancin ƙarancin zafin jiki da matsakaicin juriya (resistivity na 0.48μΩ·m).