Garanti tallace-tallace na 30CrMo gami karfe bututu manufacturer
16Mn ƙananan ƙarfe ne mai ƙarfi mai ƙarfi mai ƙarfi: abun cikin carbon shine 0.1% - 0.25%, kuma ana ƙara manyan abubuwan gami da manganese, silicon, vanadium, niobium da titanium; Jimlar abun ciki na gami bai wuce 3% ba. Dangane da ƙarfin, an raba shi zuwa matakai huɗu: 300, 350, 400 da 450MPa. Akwai galibi q295, Q345, Q390, Q420 da Q460 "Q" shine babban prefix na babban birnin kasar Sin Pinyin na kalmar "Qu" wanda ke samarwa, kuma lambar da ta biyo baya ita ce mafi ƙarancin abin da ake samu na alamar (σ s) Alamomin na gaba sune. An kasu kashi a, B, C da d bisa ga abun ciki na abubuwa marasa tsabta (sulfur da phosphorus) a cikin karfe daga babba zuwa ƙasa kuma tare da canjin carbon da manganese. Daga cikin su, Karfe A da B yawanci ana kiran su 16Mn.
Dangane da ƙarfin, an raba shi zuwa matakai huɗu: 300, 350, 400 da 450MPa.
Akwai galibi q295, Q345, Q390, Q420 da Q460.
16Mn bututu maras nauyi
16Mn bututu maras nauyi
16Mn bututun ƙarfe mara nauyi wani nau'in abu ne. An yi amfani da bututun ƙarfe mara ƙarfi ana kiransa bututun ƙarfe mara ƙarfi.
Hanyar yanzu ita ce: Q345B bututun ƙarfe mara nauyi. Irin wannan kayan sune Q345C, Q345D da Q345E. Alamar ingancin darajar a, B, C, de tana nuna buƙatu daban-daban don gwajin tasiri. Yanayin gwajin tasirin tasiri shine + 20 ° 0 ° zuwa 20 ° 40 ° bi da bi. 16Mn abu ne na bututun ƙarfe mara sumul.
ABCD yana nuna ingancin darajar Q235. An raba darajar darajar zuwa maki huɗu A, B, C da D. daga a zuwa D yana nuna ingancin daga ƙasa zuwa babba.
Abubuwan bukatu don matakan inganci daban-daban sune kamar haka:
A - samar da s, P, C, Mn, Si sinadaran abun da ke ciki da kuma Fu, FY δ 5（ δ 10), 1800 sanyi lankwasawa gwajin za a iya bayar bisa ga mai saye ta bukatun, amma babu wani tasiri makamashi tsari, da kuma carbon abun ciki. kuma ba a ɗaukar abun ciki na manganese azaman yanayin bayarwa.
B - samar da s, P, C, Mn, Si sinadaran abun da ke ciki da kuma Fu, FY δ 5（ δ 10), sanyi lankwasa 180 'gwaji. Hakanan yana samar da makamashi mai tasiri AK ≥ 27j a + 200C - ban da buƙatun aji na B, yana ba da ƙarfin tasiri AK ≥ 27j a 00C.
C - ban da buƙatun matakin B, ana ba da tasirin tasirin makamashi AK ≥ 27j a - 200C. E - ban da buƙatun matakin B, ana bayar da tasirin tasirin AK ≥ 27j a - 400C.
