40cr isina musono simbi pombi

Tsanangudzo Pfupi

Production specification:

Kunze dhayamita yesimbi pombi 20-426

Simbi pombi rusvingo ukobvu 20-426

Simbi pombi standard:

Maererano mureza GB/T 3077-2008: kemikari kuumbwa (misa chidimbu, %) C 0.37~0.44, Si 0.17~0.37, Mn 0.50 ~ 0.80, Cr0.80 ~ 1.10, Ni≤0.30.【 Mechanical properties 】

Saizi isina chinhu (mm): 25

Kurapa kupisa:

Kutanga kudzima tembiricha yekudziya (℃): 850;Inotonhorera: Mafuta

Chechipiri kudzima tembiricha yekudziya (℃): -

Kupisa kupisa tembiricha (℃): 520;Inotonhorera: mvura, mafuta

Kusimba kwesimba (σb/MPa): ≧980

Goho (σs/MPa) : ≧785

Kureba mushure mekutyoka (δ5/%) : ≧9

Kuderedza chiyero chemuchinjikwa-chikamu (ψ/%) : ≧45

Impact absorption basa (Aku2/J): ≧47

Brinell kuoma (HBS100/3000) (anealing kana yakakwirira-tembiricha mamiriro ekupisa): ≦207