40cr ipayipi lensimbi engenamthungo

Incazelo emfushane:

Ukucaciswa kokukhiqiza:

Ububanzi bangaphandle bepayipi lensimbi 20-426

Ipayipi lensimbi odongeni ukujiya 20-426

Izinga lepayipi lensimbi:

Ngokusho kwe-GB/T ejwayelekile 3077-2008: ukwakheka kwamakhemikhali (ingxenyana yobuningi, %) C 0.37~0.44, Si 0.17~0.37, Mn 0.50~0.80, Cr0.80~1.10, Ni≤0.30.【Izakhiwo zemishini】

Usayizi ongenalutho wesampula (mm) : 25

Ukwelashwa kokushisa:

Izinga lokushisa lokuqala lokucisha (℃): 850;Ukupholisa: Amafutha

Ukushisa kwesibili kokucisha ukushisa (℃): -

Izinga lokushisa elishisayo (℃): 520;Ukupholisa: amanzi, amafutha

Amandla e-tensile (σb/MPa) : ≧980

Iphoyinti lokukhiya (σs/MPa) : ≧785

Ubude ngemva kokuphuka (δ5/%) : ≧9

Izinga lokunciphisa le-cross-section (ψ/%) : ≧45

Umsebenzi wokumuncwa okunomthelela (Aku2/J) : ≧47

Ukuqina kwe-Brinell (HBS100/3000) (isimo sokushisa noma izinga lokushisa eliphezulu): ≦207