40cr chitoliro chachitsulo chosasunthika

Kufotokozera Kwachidule:

Kapangidwe kake:

Akunja awiri a zitsulo chitoliro 20-426

Zitsulo chitoliro khoma makulidwe a 20-426

Chitsulo chitoliro muyezo:

Malinga ndi muyezo GB/T 3077-2008: mankhwala zikuchokera (unyinji kagawo,%) C 0.37~0.44, Si 0.17~0.37, Mn 0,50 ~ 0.80, Cr0.80 ~ 1.10, Ni≤0.30.【Makina katundu】

Zitsanzo zopanda kanthu (mm): 25

Chithandizo cha kutentha:

Choyamba kuzimitsa kutentha kutentha (℃) : 850;Zoziziritsa: Mafuta

Chachiwiri kuzimitsa kutentha kutentha (℃): -

Kutentha kwa kutentha (℃): 520;Zoziziritsa: madzi, mafuta

Kulimba kwamphamvu (σb/MPa): ≧980

Malo otulutsa (σs/MPa) : ≧785

Kutalikitsa pambuyo pakusweka (δ5/%) : ≧9

Kuchepetsa kuchepa kwa gawo (ψ/%) : ≧45

Ntchito yoyamwitsa (Aku2/J): ≧47

Kuuma kwa Brinell (HBS100/3000) (kutentha kapena kutentha kwambiri): ≦207