1).Material: 65Mn, 55Si2MnB, 60Si2Mn, 60Si2CrA, 55CrMnA, 60CrMnMoA, kamar yadda abokin ciniki ta bukata
2).Shiryawa: daidaitaccen marufi mai cancantar teku
3).Maganin saman: naushi, welded, fenti ko gwargwadon buƙatun abokin ciniki
4).Size: bisa ga abokin ciniki ta bukata
1) Bisa ga rarrabuwar ka'idojin sinadaran
A cewar GB/T 13304 misali, spring karfe ne zuwa kashi wadanda ba gami spring karfe (carbon spring karfe) da gami spring karfe bisa ga sinadaran abun da ke ciki.
① Carbon spring karfe
②Alloy spring karfe
Bugu da kari, ana zaba wasu alamomi kamar yadda yake bakin karfe daga wasu tabo, kamar manyan karfe mai karfi, karmun kayan karfe da bakin karfe da bakin karfe.
2) Bisa ga rarrabuwa na samarwa da hanyoyin sarrafawa
①Hot birgima (kirbu) karfe hada da zafi birgima zagaye karfe, square karfe, lebur karfe da karfe farantin, da kuma ƙirƙira zagaye karfe da square karfe.
② Karfe mai sanyi (birgima) ya haɗa da waya ta ƙarfe, tsiri na ƙarfe da kayan sanyi (ƙarfe mai zana sanyi).
Ana amfani da maɓuɓɓugar ruwa a ƙarƙashin tasiri, girgizawa ko damuwa na dogon lokaci, don haka ana buƙatar ƙarfe na bazara don samun ƙarfin ƙarfin ƙarfi, iyaka na roba da ƙarfin gajiya mai yawa.A cikin tsari, ana buƙatar cewa ƙarfe na bazara yana da wasu ƙarfin ƙarfi, ba shi da sauƙin decarburize, kuma yana da inganci mai kyau.
Kamar yadda sunan ya nuna, ana amfani da karfen bazara don kera maɓuɓɓugan ruwa daban-daban, waɗanda suka haɗa da ƙananan maɓuɓɓugan ruwa, maɓuɓɓugan zagaye, maɓuɓɓugan ruwa, da sauransu. da maɓuɓɓugar ganye na ƙananan motoci masu girma da matsakaici., tururi turbine tururi hatimi spring, locomotive babban leaf spring, nada spring, bawul spring, tukunyar jirgi aminci bawul spring, da dai sauransu