Kwatanta rayuwar sabis na harbin karfe da grit tare da taurin daban-daban (P da H hardness)

Babu makawa za a yi asara ta hanyar amfani da harba karfe da gasa, kuma za a samu asara daban-daban saboda yadda ake amfani da su da kuma abubuwan da ake amfani da su daban-daban. Don haka, kun san cewa rayuwar sabis na harbin ƙarfe tare da taurin daban-daban shima ya bambanta?

Gabaɗaya, taurin harbin karfe yana daidai da saurin tsaftacewa, wato, mafi girman ƙarfin harbin karfe, saurin tsaftacewar sa, wanda kuma yana nufin cewa amfani da harbin karfe zai fi girma kuma rayuwar sabis. zai zama ya fi guntu.

Harbin karfe yana da taurin guda uku: P (45-51HRC), H (60-68HRC), L (50-55HRC). Mun ɗauki P hardness da H taurin azaman misalai don kwatanta:

P hardness gabaɗaya HRC45 ~ 51, sarrafa wasu ƙananan ƙarfe masu ƙarfi, na iya ƙara taurin zuwa HRC57 ~ 62. Suna da tauri mai kyau, tsawon rayuwar sabis fiye da taurin H, da aikace-aikace iri-iri.

H taurin shine HRC60-68, irin wannan nau'in ƙarfin harbin ƙarfe yana da girma, firiji yana da ƙarfi sosai, yana da sauƙin karye, ɗan gajeren rayuwa, aikace-aikacen ba shi da faɗi sosai. An fi amfani da shi a wuraren da ke buƙatar babban zafin peening harbi.

Sabili da haka, yawancin abokan ciniki suna siyan harbin karfe tare da P hardness.

Bisa ga gwajin, mun gano cewa yawan hawan keke na karfe da aka harba tare da P hardness ya fi na H hardness, H taurin kusan sau 2300, kuma P hardness sake zagayowar na iya kaiwa sau 2600. Zagaye nawa kuka gwada?